Polyethylene terephthalate (PET), chemical formula (C10H8O4)n, is made from dimethyl terephthalate and glycol transesterification or esterification of terephthalate and glycol to synthesize dihydroxyethyl terephthalate, and then polycondensation reaction. It is a crystal type saturated polyester, which is a milky white or light yellow, highly crystalline polymer with smooth and glossy surface. It is a common resin in life, which can be divided into APET, RPET and PETG. It has excellent physical and mechanical properties in a wide range of temperatures, up to 120â??, and excellent electrical insulation. Even at high temperature and high frequency, its electrical properties are still good, but it has poor corona resistance, creep resistance, fatigue resistance, friction resistance and dimensional stability. Advantages: 1. Good mechanical properties, impact strength is 3~5 times that of other films, good folding resistance. 2 oil resistance, fat resistance, dilute acid resistance, dilute alkali resistance, resistance to most solvents. 3. Can be used in the temperature range of 55-60â?? for a long time, short-term use can resist 65â?? high temperature, can resist -70â?? low temperature, and high and low temperature has little impact on its mechanical properties. 4. Low permeability of gas and water vapor, and excellent resistance to gas, water, oil and odor. 5. High transparency, can block UV, good luster. 6. Non-toxic, tasteless, good health and safety, can be directly used for food packaging.
Polyester POY is made from PTA & MEG or by spinning PET Chips POY is used for textured yarn, warping woven and knitted fabric We also offer Polyester Cationic Dyed Yarn. This yarn is produced from CDP chip that consists of dimethyl isophthalate with polar radical SO3Na. The dye-absorption property of fiber is greatly improved. It is thus easy to be dyed with improved dye-absorption rate and moisture-absorption property We are very apt in supplying Polyester POY from China , Taiwan, Indonesia, Thailand
Propylene carbonate (molecular formula: C4H6O3) is a colorless, odorless, flammable liquid. Miscible with ether, acetone, benzene, chloroform, vinyl acetate, etc., soluble in water and carbon tetrachloride. It has a strong ability to absorb carbon dioxide and is stable in nature. In industry, it is obtained by adding propylene oxide and carbon dioxide under a certain pressure, and then distilling under reduced pressure. It can be used as oily solvent, spinning solvent, olefin, aromatic hydrocarbon extractant, carbon dioxide absorber, dispersant for water-soluble dyes and pigments, etc. Application 1. It can be used as an excellent medium for high-energy batteries and capacitors in the electronics industry. 2. In the polymer industry, it can be used as a solvent and plasticizer for polymers. 3. Used as a plasticizer for adhesives and sealants. 4. It can also be used as a phenolic resin curing accelerator and a dispersant for water-soluble adhesives, pigments and fillers. 5. The chemical industry is the main raw material for synthesizing dimethyl carbonate. It can also be used to remove carbon dioxide and hydrogen sulfide from natural gas and petroleum cracking gas. 6. It can also be used in textile, printing and dyeing and other industrial fields.
Dimethyl Cantharidin Molecular formula: c8h8o4 Molecular weight: 168.15 cas :5442-12-6 Melting point: 113 íµ -115 íµ Chemical name :7-oxabicyclo (2, 2, 1) heptane-2 , 3-dicarboxylic anhydride Properties: white crystalline powder, aqueous solution acidic reaction, soluble in hot water or acetone, slightly soluble in cold water or ethanol. Loss on drying: 0.03% Residue on ignition: 0.1% Content: 100.4% Pharmacological effects: this product is a white crystalline powder; no foul. Irritant; aqueous acidic reaction. Antineoplastic agents. For the liver, stomach and cardia cancer, and low white blood cell disorders. Demehylcantharidin Molecular formula: c8h8o4 Molecular weight: 168.15 cas :5442-12-6 Melting point: 113 íµ -115 íµ Chemical name :7-oxabicyclo (2, 2, 1) heptane-2 , 3-dicarboxylic anhydride Properties: white crystalline powder, aqueous solution acidic reaction, soluble in hot water or acetone, slightly soluble in cold water or ethanol. Loss on drying: 0.03% Residue on ignition: 0.1% Content: 100.4% Pharmacological effects: this product is a white crystalline powder; no foul. Irritant; aqueous acidic reaction. Antineoplastic agents. For the liver, stomach and cardia cancer, and low white blood cell disorders.
PURITY-99.5%
Dimethyl Carbonate is a kind of outstanding methylating reagent,and an ideal substitute for phosgene,dimethyl sulfate and methyl chloroformate,and widely used for synthesizing diphenyl carbonate,isocaynate,allyl diethylene glycol carbonate and carbamates pesticide.
Item: specification Content dms: 99.5min Colour(apha): 10max Acid value(mg koh/g): 0.2max Specific gravity(28 deg c): 0.986-0.990 Moisture: 0.1%max 200kgper drum
Dimethyl carbonate, propylene glycol, ethyl meth First grade High grade Battery grade 200kg/drum 215kg/drum
Dmc 99.5% min&99.9% min Pg, 99.0% min&99.5% min Dipe, 99.0% min
It is colorless transparent liquid, content no less than 99.0%. DMI is a special solvent used in pharmacy and cosmetics area. 200Kg/drum
Dimethyl phthalate Appearance: colorless and transparent liquid Purity: 99.5% min Packing: 230kg/drum or bulk in iso tank
Dimethyl carbonate Hi-tech spring company makes a great breakthrough in the research of new effective gasoline antiknock ---dimethyl carbonate. The gasoline which mixed dimethyl carbonate has more obvious advantages: It is useful for the environment protection. It will improve the exhaust effect of thc and nox and increase the decontamination efficiency of co and thc which can be reached over 90%. It also can increase the octane rating of gasoline, 4.7% dmc mixed, the octane rating of gasoline will increase 3%~6%, and there woní»t be any change if more dmc be mixed in gasoline . Drums
Specification 98.5% Package :Plastic Drum
Dimethyl isophthalate Purity:99.5% Min 500kg/bag
Dimethyl sebacate Purity:99.5% Min 200KG/drum
Dimethyl carbonate
Molecular Formula C8H9ClO Molecular Weight 156.61 CAS No. 88-04-0 Description White Or Creamy White Crystals Or Crystalline Powder,Characteristic Odour, Volatile In Steam Solubility Insoluble In Water, Soluble In Methanol, Acetone,& Alkali Solution Related Impurities Total 1.5 % max. 3,5 Dimethyl Phenol
Chemical Name - 2,5-DIMETHYL-P-PHENYLENEDIAMINE CAS No - 6393-01-7
Product Description ; Dimethyl sulfoxide Basic information Product Name: Dimethyl sulfoxide Synonyms: Dromisol;Durasorb;Gamasol 90;gamasol90;Herpid;Hyadur;Infiltrina;Kemsol CAS: 67-68-5 MF: C2H6OS MW: 78.13 EINECS: 200-664-3 HS Code 29309070 Scale Chemical Corpoartion is Dimethyl sulfoxide manufacturer and supplier in China, welcome to inquiry about our Dimethyl sulfoxide price Price of product ( USD price or FOB price) : USD 1.6- USD 1.7 per KG Product origin : China Key Specifications/Special Features : Purity(DMSO) 99.8% min Crystallization point 18.10 min Acid value mgKOH/g 0.03 max Transmittance(400mm) 96.0% min Refractive index(20) 1.4775-1.4790 Moisture 0.1%max Minimum Order Size and Packgaing details : Packing:225kg/drum , Minimum Order Quantity:225kg/drum
Dimethyl ether (DME), also known as methoxymethane, is the organic compound with the formula CH3OCH3. The simplest ether, it is a colourless gas that is a useful precursor to other organic compounds and an aerosol propellant.
