What's the introduction of Micro Oval Gear Flow Meter ? Micro Oval Gear Low Flow Meter is a kind of oval gear flow meter ,along to positive displacement flow meter. there is thousands of manufacturers who can produce oval gear flow meter. but only several manufacturer who have technology to produce micro liquid flow meter. Micro Oval Gear Flow Meter offer the highest accuracy and measure for various viscosity liquid. special patent technology to measure flow from 0.1ml/min and ensure working life more 5 years. Micro Oval Gear Low Flow Meter is wildly used for various industries for precision measurement. So far it has been serviced for more 100 using condition, such as fuel oil measurement, Adhesive control ,Hydraulic life cycle testing, electrolyte dosing, natural gas odorization. What's the main features of Micro Oval Gear Flow Meter? 1) Anti-dust,anti-vibration,anti-corrosive&explosion-proof. 2) Max accuracy up to 0.2% 3) Min flow : 0.1ml/min 4) Max temperature: 200C 5) Max pressure: 1000bar 6) Viscosity liquid:0.3~10000cps.
What's the introduction of micro oval gear flow meter Micro oval gear low flow meter is a kind of oval gear flow meter , along to positive displacement flow meter. There is thousands of manufacturers who can produce oval gear flow meter. But only several manufacturer who have technology to produce micro liquid flow meter. Micro oval gear flow meter offer the highest accuracy and measure for various viscosity liquid. Special patent technology to measure flow from 0.1ml/min and ensure working life more 5 years. Micro oval gear low flow meter is wildly used for various industries for precision measurement. So far it has been serviced for more 100 using condition, such as fuel oil measurement, adhesive control , hydraulic life cycle testing, electrolyte dosing, natural gas odorization. What's the main features of micro oval gear flow meter 1) anti-dust, anti-vibration, anti-corrosive&explosion-proof. 2) max accuracy up to 0.2% 3) min flow : 0.1ml/min 4) max temperature: 200c 5) max pressure: 1000bar 6) viscosity liquid:0.3~10000cps.
What's the introduction of micro oval gear flow meter Micro oval gear low flow meter is a kind of oval gear flow meter , along to positive displacement flow meter. There is thousands of manufacturers who can produce oval gear flow meter. But only several manufacturer who have technology to produce micro liquid flow meter. Micro oval gear flow meter offer the highest accuracy and measure for various viscosity liquid. Special patent technology to measure flow from 0.1ml/min and ensure working life more 5 years. Micro oval gear low flow meter is wildly used for various industries for precision measurement. So far it has been serviced for more 100 using condition, such as fuel oil measurement, adhesive control , hydraulic life cycle testing, electrolyte dosing, natural gas odorization. What's the main features of micro oval gear flow meter 1) anti-dust, anti-vibration, anti-corrosive&explosion-proof. 2) max accuracy up to 0.2% 3) min flow : 0.1ml/min 4) max temperature: 200c 5) max pressure: 1000bar 6) viscosity liquid:0.3~10000cps.
What's the introduction of micro oval gear flow mete Micro oval gear low flow meter is a kind of oval gear flow meter , along to positive displacement flow meter. There is thousands of manufacturers who can produce oval gear flow meter. But only several manufacturer who have technology to produce micro liquid flow meter. Micro oval gear flow meter offer the highest accuracy and measure for various viscosity liquid. Special patent technology to measure flow from 0.1ml/min and ensure working life more 5 years. Micro oval gear low flow meter is wildly used for various industries for precision measurement. So far it has been serviced for more 100 using condition, such as fuel oil measurement, adhesive control , hydraulic life cycle testing, electrolyte dosing, natural gas odorization. What's the main features of micro oval gear flow meter 1) anti-dust, anti-vibration, anti-corrosive&explosion-proof. 2) max accuracy up to 0.2% 3) min flow : 0.1ml/min 4) max temperature: 200c 5) max pressure: 1000bar 6) viscosity liquid:0.3~10000cps.
What's the introduction of micro oval gear flow meter Micro oval gear low flow meter is a kind of oval gear flow meter , along to positive displacement flow meter. There is thousands of manufacturers who can produce oval gear flow meter. But only several manufacturer who have technology to produce micro liquid flow meter. Micro oval gear flow meter offer the highest accuracy and measure for various viscosity liquid. Special patent technology to measure flow from 0.1ml/min and ensure working life more 5 years. Micro oval gear low flow meter is wildly used for various industries for precision measurement. So far it has been serviced for more 100 using condition, such as fuel oil measurement, adhesive control , hydraulic life cycle testing, electrolyte dosing, natural gas odorization. What's the main features of micro oval gear flow meter 1) anti-dust, anti-vibration, anti-corrosive&explosion-proof. 2) max accuracy up to 0.2% 3) min flow : 0.1ml/min 4) max temperature: 200c 5) max pressure: 1000bar 6) viscosity liquid:0.3~10000cps.
What's the introduction of micro oval gear flow meter Micro oval gear low flow meter is a kind of oval gear flow meter , along to positive displacement flow meter. There is thousands of manufacturers who can produce oval gear flow meter. But only several manufacturer who have technology to produce micro liquid flow meter. Micro oval gear flow meter offer the highest accuracy and measure for various viscosity liquid. Special patent technology to measure flow from 0.1ml/min and ensure working life more 5 years. Micro oval gear low flow meter is wildly used for various industries for precision measurement. So far it has been serviced for more 100 using condition, such as fuel oil measurement, adhesive control , hydraulic life cycle testing, electrolyte dosing, natural gas odorization. What's the main features of micro oval gear flow meter 1) anti-dust, anti-vibration, anti-corrosive&explosion-proof. 2) max accuracy up to 0.2% 3) min flow : 0.1ml/min 4) max temperature: 200c 5) max pressure: 1000bar 6) viscosity liquid:0.3~10000cps.
What's the introduction of micro oval gear flow meter Micro oval gear low flow meter is a kind of oval gear flow meter , along to positive displacement flow meter. There is thousands of manufacturers who can produce oval gear flow meter. But only several manufacturer who have technology to produce micro liquid flow meter. Micro oval gear flow meter offer the highest accuracy and measure for various viscosity liquid. Special patent technology to measure flow from 0.1ml/min and ensure working life more 5 years. Micro oval gear low flow meter is wildly used for various industries for precision measurement. So far it has been serviced for more 100 using condition, such as fuel oil measurement, adhesive control , hydraulic life cycle testing, electrolyte dosing, natural gas odorization. What's the main features of micro oval gear flow meter 1) anti-dust, anti-vibration, anti-corrosive&explosion-proof. 2) max accuracy up to 0.2% 3) min flow : 0.1ml/min 4) max temperature: 200c 5) max pressure: 1000bar 6) viscosity liquid:0.3~10000cps.
Salvia essential oil ( or sage essential oil) is great for relieving grief and quickening the senses, while stimulating the lymphatic system and helping with female problems, such as sterility and menopausal problems and on the skin it not only helps healing but also to reduce pore size. Oil properties Salvia oil has a sharp, herbal smell, and is watery in viscosity. Origin of salvia oil It is an evergreen perennial herb that can grow up to about 60cm ( 2 feet) high with a woody base, soft grey-green oval leaves and a mass of blue or violet flowers. The Chinese believed that it cured sterility, while the romans believed it cured just about everything.
What's the introduction of micro oval gear flow meter Micro oval gear low flow meter is a kind of oval gear flow meter , along to positive displacement flow meter. There is thousands of manufacturers who can produce oval gear flow meter. But only several manufacturer who have technology to produce micro liquid flow meter. Micro oval gear flow meter offer the highest accuracy and measure for various viscosity liquid. Special patent technology to measure flow from 0.1ml/min and ensure working life more 5 years. Micro oval gear low flow meter is wildly used for various industries for precision measurement. So far it has been serviced for more 100 using condition, such as fuel oil measurement, adhesive control , hydraulic life cycle testing, electrolyte dosing, natural gas odorization. What's the main features of micro oval gear flow meter 1) anti-dust, anti-vibration, anti-corrosive&explosion-proof. 2) max accuracy up to 0.2% 3) min flow : 0.1ml/min 4) max temperature: 200c 5) max pressure: 1000bar 6) viscosity liquid:0.3~10000cps.
What's the introduction of Micro Oval Gear Flow Meter ? Micro Oval Gear Low Flow Meter is a kind of oval gear flow meter ,along to positive displacement flow meter. there is thousands of manufacturers who can produce oval gear flow meter. but only several manufacturer who have technology to produce micro liquid flow meter. Micro Oval Gear Flow Meter offer the highest accuracy and measure for various viscosity liquid. special patent technology to measure flow from 0.1ml/min and ensure working life more 5 years. Micro Oval Gear Low Flow Meter is wildly used for various industries for precision measurement. So far it has been serviced for more 100 using condition, such as fuel oil measurement, Adhesive control ,Hydraulic life cycle testing, electrolyte dosing, natural gas odorization. What's the main features of Micro Oval Gear Flow Meter? 1) Anti-dust,anti-vibration,anti-corrosive&explosion-proof. 2) Max accuracy up to 0.2% 3) Min flow : 0.1ml/min 4) Max temperature: 200C 5) Max pressure: 1000bar 6) Viscosity liquid:0.3~10000cps.
What's the introduction of Micro Oval Gear Flow Meter ? Micro Oval Gear Low Flow Meter is a kind of oval gear flow meter ,along to positive displacement flow meter. there is thousands of manufacturers who can produce oval gear flow meter. but only several manufacturer who have technology to produce micro liquid flow meter. Micro Oval Gear Flow Meter offer the highest accuracy and measure for various viscosity liquid. special patent technology to measure flow from 0.1ml/min and ensure working life more 5 years. Micro Oval Gear Low Flow Meter is wildly used for various industries for precision measurement. So far it has been serviced for more 100 using condition, such as fuel oil measurement, Adhesive control ,Hydraulic life cycle testing, electrolyte dosing, natural gas odorization. What's the main features of Micro Oval Gear Flow Meter? 1) Anti-dust,anti-vibration,anti-corrosive&explosion-proof. 2) Max accuracy up to 0.2% 3) Min flow : 0.1ml/min 4) Max temperature: 200C 5) Max pressure: 1000bar 6) Viscosity liquid:0.3~10000cps.
What's the introduction of Micro Oval Gear Flow Meter ? Micro Oval Gear Low Flow Meter is a kind of oval gear flow meter ,along to positive displacement flow meter. there is thousands of manufacturers who can produce oval gear flow meter. but only several manufacturer who have technology to produce micro liquid flow meter. Micro Oval Gear Flow Meter offer the highest accuracy and measure for various viscosity liquid. special patent technology to measure flow from 0.1ml/min and ensure working life more 5 years. Micro Oval Gear Low Flow Meter is wildly used for various industries for precision measurement. So far it has been serviced for more 100 using condition, such as fuel oil measurement, Adhesive control ,Hydraulic life cycle testing, electrolyte dosing, natural gas odorization. What's the main features of Micro Oval Gear Flow Meter? 1) Anti-dust,anti-vibration,anti-corrosive&explosion-proof. 2) Max accuracy up to 0.2% 3) Min flow : 0.1ml/min 4) Max temperature: 200C 5) Max pressure: 1000bar 6) Viscosity liquid:0.3~10000cps.
Extreme Pressure Industrial Gear Oil 100/150/220 DESCRIPTION KORYO GEAR OIL is mild EP industrial equipment gear oil, based on a sulfurphosphorus additive system, it provides excellent extreme pressure (EP) condition, excellent anti-wear and anti corrosion properties, thermal and oxidation stability to prevent downtime or troubles and improve fluidity in cold condition, it is recommended for all types of industrial and mobile equipment requiring mild EP Gear oil PERFORMANCE U.S. Steel 224, AGMA 251 02-EP, AGMA 9005-E02, DIN 51517 Part 3, David Brown S1.53.101 PACKAGE 20L, 200L Steel Pail/Barrel
Guar Gum Types Food, Feed & Pharma Grades - Various particle sizes (very coarse to very fine). - • Various hydration rates (very slow to very fast). - • Various viscosities (1% solution in water = 50 cps to 7000 cps). - • Special deodourised grades. - • Special low microbiological count grades. Technical Grades Straight Guars: - Various particle sizes (very coarse to very fine). - Various hydration rates (very slow to very fast). - Various viscosities (1% solution in water = 50 cps to 8000 cps). - Special good Dry-Flow (Free-Flow) Guars. - Special Anti-Dusted Guars. Modified Guars and Guar Derivatives: - Fast hydrating / High Viscosity / Diesel Slurriable (particularly suitable for oil, gas and other deep well drilling and EOR operations like polymer flooding / fracturing), - Borated. - Reticulated. - Oxidised. - Depolymerised. - High water absorbance capacity. - Carboxymethyl (Anionic). - Hydroxypropyl (Nonionic). - Hydroxypropyltrimethyl chloride (Cationic). - Hydroxypropyltrimethyl chloride Hydroxypropyl (Cationic, double derivative). - Special good Dry-Flow (Free-Flow) Modified Guars / Guar Derivatives. - Special Anti-Dusted Modified Guars / Guar Derivatives. Guar gum is a fiber from the seed of the guar plant. Guar gum is used as a laxative. It is also used for treating diarrhea, irritable bowel syndrome (IBS), obesity, and diabetes; for reducing cholesterol; and for preventing “hardening of the arteries” (atherosclerosis). In foods and beverages, guar gum is used as a thickening, stabilizing, suspending, and binding agent. In manufacturing, guar gum is used as a binding agent in tablets, and as a thickening agent in lotions and creams. How does it work? Guar gum is a fiber that normalizes the moisture content of the stool, absorbing excess liquid in diarrhea, and softening the stool in constipation. It also might help decrease the amount of cholesterol and glucose that is absorbed in the stomach and intestines. There is some interest in using guar gum for weight loss because it expands in the intestine, causing a sense of fullness. This may decrease appetite. USES: Diarrhea. Adding guar gum to the tube feeding formula given to critical care patients may shorten episodes of diarrhea from about 30 days to about 8 days. High cholesterol. Taking guar gum seems to lower cholesterol levels in people with high cholesterol. Guar gum and pectin, taken with small amounts of insoluble fiber, also lower total and “bad” low-density lipoprotein (LDL) cholesterol, but don't affect “good” high-density lipoprotein (HDL) cholesterol or other blood fats called triglycerides. Diabetes. Taking guar gum with meals seems to lower blood sugar after meals in people with diabetes. By slowing stomach emptying, guar gum may also lessen after-meal drops in blood pressure that occur frequently in people with diabetes. Constipation. Irritable bowel syndrome (IBS).
Mace Botanical: Myristica fragrans Family: N.O. Myristicaceae Hindi Name: Mace - Javitri General Description: Nutmeg, spice consisting of the seed of the Myristica fragrans, a tropical, dioecious evergreen tree native to the Moluccas or Spice Islands of Indonesia. Geographical Sources The nutmeg tree, Myristica fragrans, is indigenous to the Moluccas in Indonesia but has been successfully grown in other Asian countries and in the Caribbean, namely Grenada. Banda Islands, Malayan Archipelago, Molucca Islands, and cultivated in Sumatra, French Guiana Composition -> Nutmeg and mace contain 7 to 14 percent essential oil, the principal components of which are pinene, camphene, and dipentene. Nutmeg on expression yields about 24 to 30 percent fixed oil called nutmeg butter, or oil of mace. Dried kernel of the seed. Varieties -> Whole nutmegs are grouped under three broad quality classifications: 1. Sound: nutmegs which are mainly used for grinding and to a lesser extent for oleoresin extraction. High quality or sound whole nutmegs are traded in grades which refer to their size in numbers of nutmegs per pound: 80s, 110s and 130s (110 to 287 nuts per kg), or 'ABCD' which is an assortment of various sizes. 2. Substandard: nutmegs which are used for grinding, oleoresin extraction and essential oil distillation. Substandard nutmegs are traded as 'sound, shrivelled' which in general have a higher volatile oil content than mature sound nutmegs and are used for grinding, oleoresin extraction and oil distillation; and 'BWP' (broken, wormy and punky) which are mainly used for grinding as volatile oil content generally does not exceed 8%. 3. Distilling: poor quality nutmegs used for essential oil distillation.Distilling grades of nutmegs are of poorer quality: 'BIA' or 'ETEZ' with a volatile oil content of 8% to 10%; and 'BSL' or 'AZWI' which has less shell material and a volatile oil content of 12% to 13%. Method of Processing -> When fully mature it splits in two, exposing a crimson-coloured aril, the mace, surrounding a single shiny, brown seed, the nutmeg. The pulp of the fruit may be eaten locally. After collection, the aril-enveloped nutmegs are conveyed to curing areas where the mace is removed, flattened out, and dried. The nutmegs are dried gradually in the sun and turned twice daily over a period of six to eight weeks. During this time the nutmeg shrinks away from its hard seed coat until the kernels rattle in their shells when shaken. The shell is then broken with a wooden truncheon and the nutmegs are picked out. Dried nutmegs are grayish-brown ovals with furrowed surfaces. Large ones may be about 1.2 inches long and 0.8 inch in diameter. Taste and Aroma: Nutmeg has a characteristic, pleasant fragrance and slightly warm taste
Sweet marjoram: Origanum (O) hortensis (orMajoranahortensis). Potmarjoram: O.onites Wildmajoram: O.vulgare. Syrian majoram is called zatar Family: Labiatae or Lamiaceae (mint family). In Europe, marjoram was a traditional symbol of youth and romantic love. Used by Romans as an aphrodisiac, it was used to cast love spells and was worn at weddings as a sign of happiness during the middle Ages. Greeks who wore marjoram wreaths at weddings called it “joy of the mountains.” It was used to brew beer before hops was discovered, and flavored a wine called hippocras. A cousin of the oregano family, marjoram originated in Mediterranean regions and is now a commonly used spice in many parts of Europe. Called zatar in the Middle east and often mistaken for oregano, it is also a popular spicing in Eastern Europe. Origin and Varieties Marjoram is indigenous to northern Africa and southwest Asia. It is cultivated around the Mediterranean, in England, Central and Eastern Europe, South America, the United States, and India. Description Marjoram leaf is used fresh, as whole or chopped, and dried whole or broken, and ground. The flowering tops and seeds, which are not as strong as the leaves, are also used as flavorings. Sweet marjoram is a small and oval-shaped leaf. It is light green with a greyish tint. Marjoram is fresh, spicy, bitter, and slightly pungent with camphor like notes. It has the fragrant herbaceous and delicate, sweet aroma of thyme and sweet basil. Pot marjoram is bitter and less sweet. Chemical Components Sweet marjoram has 0.3% to 1% essential oil, mostly monoterpenes. It is yellowish to dark greenish brown in color. It mainly consists of cis-sabinene hydrate (8% to 40%), -terpinene (10%), a-terpinene (7.6%), linalyl acetate (2.2%), terpinen 4-ol (18% to 48%), myrcene (1.0%), linalool (9% to 39%), -cymene (3.2%), caryophyllene (2.6%), and a-terpineol (7.6%). Its flavor varies widely depending on its origins. The Indian and Turkish sweet marjorams have more d-linalool, caryophyllene, carvacrol, and eugenol. Its oleoresin is dark green, and 2.5 lb. are equivalent to 100 lb. of freshly ground marjoram. Marjoram contains calcium, iron, magnesium, phosphorus, potassium, sodium, vitamin A, vitamin C, and niacin. Culinary uses of Marjoram Marjoram is typically used in European cooking and is added to fish sauces, clam chowder, butter-based sauces, salads, tomato-based sauces, vinegar, mushroom sauces, and eggplant. In Germany, marjoram is called the “sausage herb” and is used with thyme and other spices in different types of sausages. It is usually added at the end of cooking to retain its delicate flavor or as a garnish. It goes well with vegetables including cabbages, potatoes, and beans. The seeds are used to flavor confectionary and meat products.
Commodity: Ammonium bicarbonate Food grade Molecular formula:NH4HCO3 Molecule Weight: 79.05 H.S code: 2836994000 CAS: 1066-33-7 Product Physical Properties WHITE POWDER CRYSTAL, SPECIFIC GRAVITY IS 1.586, IT CANDISSOLVE IN WATER, BUT CANT DISSOLVE IN ALCOHOL AND ACETINE. Specifications: Appearance: white free-flowing crystalline powder without agglomeration Purity as Ammonium Bicarbonate ,% by weight 99.5 (minimum) Chloride (as Cl), % by weight 0.20(maximum) Sulphates (as SO4),% by weight 0.10(maximum) Iron (as Fe), % by weight 0.004(maximum) Nonvolatile matter, % by weight 0.10(maximum) Heavy metals (as Pb), ppm 2.50(maximum) Copper (as Cu), ppm 5.0(maximum) Arsenic (as As), ppm 0.6(maximum) Tarry matter To pass test Oil Content Less than 10 ppm Melamine Content NIL USAGE BAKING FOODS SUCH AS CRISP CAKE, BISCUIT ETC. IN ADDITION, ITALSO WIDELY USED IN CHEMICAL FIELD SUCH AS FLOUR BRIGHTENING AGENT,RARE EARTH DEEP PROCESSING, MEDICINE MIDBODY, PLASTICS PROCESSING,ELECTRONIC ELEMENT ETC. PACKING OUTSIDE IS WEAVE BAG OR PAPER BAG, INSIDE IS FOOD PLASTICSBAG, 25KG/BAG. THE PACKING ALSO CAN ACCORDING TO CONSUMERS REQUEST. STORAGE Stored in a cool, ventilated, dry place.
Desiccated coconut, sometimes referred to as Coconut Powder, is a dehydrated form of white coconut meat from freshly selected mature coconut kernels. It is prepared from substantially sound white kernel obtained from the whole nut of coconut (Cocos nucifera). Desiccated coconuts have to be processed in an appropriate manner, undergoing operations such as de-husking (the removal of the husk, leaving the shell intact), hatcheting (the removal of the shell), paring (the removal of the brown skin around the kernel), washing, comminuting, drying (to humidity level below 3%) and sifting. They can be produced without oil extraction or with partial oil extraction by appropriate physical means. Preservatives are allowed for use in production of desiccated coconuts and the most common in practice is sulphur dioxide. Also citric acid is allowed for use as the antioxidant. Table 1: Combined Nomenclature code for desiccated coconuts Number Product 080111 Coconuts, desiccated Product Specification Quality For detailed standard quality requirements please refer to Codex Alimentarius Standard for Desiccated Coconut The basic quality requirements for desiccated coconuts are: Colour: natural white to light creamy Texture: free-flowing and free from yellow specks Flavour: distinctive coconut flavour without off-flavours due to deterioration or absorption of extraneous substances. Odour: The odour shall be characteristic of the product, shall not be mouldy, cheesy, smoky, fermented or rancid, and shall not possess any undesirable odour. Oil content: According to the oil content, desiccated coconuts are in trade practice commonly divided into 2 categories: 1. High fat Desiccated Coconut (sometimes referred as 'full fat') with equal or more than 60% m/m of oil. It is dehydrated form of white coconut meat from freshly selected mature kernels. 2. Low fat Desiccated Coconut with less than 60% m/m of oil. It is a dehydrated form of white coconut meat after extraction of the Coconut milk. The fat content of this product can vary but is usually in the range of 45% - 55%. Additional quality requirements
Desiccated coconut, sometimes referred to as Coconut Powder, is a dehydrated form of white coconut meat from freshly selected mature coconut kernels. It is prepared from substantially sound white kernel obtained from the whole nut of coconut (Cocos nucifera). Desiccated coconuts have to be processed in an appropriate manner, undergoing operations such as de-husking (the removal of the husk, leaving the shell intact), hatcheting (the removal of the shell), paring (the removal of the brown skin around the kernel), washing, comminuting, drying (to humidity level below 3%) and sifting. They can be produced without oil extraction or with partial oil extraction by appropriate physical means. Preservatives are allowed for use in production of desiccated coconuts and the most common in practice is sulphur dioxide. Also citric acid is allowed for use as the antioxidant. Table 1: Combined Nomenclature code for desiccated coconuts Number Product 080111 Coconuts, desiccated Product Specification Quality For detailed standard quality requirements please refer to Codex Alimentarius Standard for Desiccated Coconut The basic quality requirements for desiccated coconuts are: Colour: natural white to light creamy Texture: free-flowing and free from yellow specks Flavour: distinctive coconut flavour without off-flavours due to deterioration or absorption of extraneous substances. Odour: The odour shall be characteristic of the product, shall not be mouldy, cheesy, smoky, fermented or rancid, and shall not possess any undesirable odour. Oil content: According to the oil content, desiccated coconuts are in trade practice commonly divided into 2 categories: 1. High fat Desiccated Coconut (sometimes referred as 'full fat') with equal or more than 60% m/m of oil. It is dehydrated form of white coconut meat from freshly selected mature kernels. 2. Low fat Desiccated Coconut with less than 60% m/m of oil. It is a dehydrated form of white coconut meat after extraction of the Coconut milk. The fat content of this product can vary but is usually in the range of 45% - 55%. Additional quality requirements