Description: the natural rubber sheet, gum rubber sheet are made by ROTOCURE vulcanizing press or plain vulcanizing press with high quality natural rubber(NR). The natural rubber is from the natural rubber tree with middling hardness and high tensile strength, high elongation, good abrasion resistance, elasticity, safety and nontoxicity without smell. The pure natural rubber sheet is also named gum rubber sheet or para rubber sheet. 1-6mm thickness is made by ROTOCURE vulcanizing press with shiny surface, 7-80mm thickness is made by vulcanizing press for get higher thick thickness. Working under the higher pressure, wearing resistant, food grade lining status at the temperature of -35°C - +85°C in air or water. Apply to punch all kinds of seals, gaskets, lining and others applications with its good function, for example of truck lining, drinking water lining, rubber membrane special for PVC vacuum laminating press.
Specifications:
material: pure natural rubber or NR/SBR
quality: industrial grade, food grade
color: black, white, brown, beige, red, green etc.
surface: smooth/smooth, smooth/impression fabric, double impression fabric
tensile strength: 2-24Mpa
hardness: 35, 40, 50, 60, 70, 80+/-5shore A
elongation: 170%-760%
density: 1.05-1.70g/cm3
working temperature: -35°C - +85°C
thickness: 1.0-50.0mm
width: 0.1-3.6m
length: 1.0-20m
Insertion: reinforce to insert 1-3PLY fabric
natural rubber lining sheet:
top: cured natural rubber with red or black
bottom: uncured neoprene rubber with light yellow
quality: industrial grade, food grade
surface: smooth/smooth
tensile strength: 13-18Mpa
hardness: 35, 40, 65+/-5shore A
elongation: 400%-650%
density: 1.05-1.15g/cm3
working temperature: -35°C - +85°C
thickness: 1.0-25.4mm
width: 1-1.5m
length: 10-20m
Physical character: made with high quality silicone rubber on drum-type vulcanizing press or vulcanizing press according to the different request from the buyers. We depend on the advanced manage, innovative technique and strict quality control with excellent silicone rubber material and machine, ravel out the problem of lower smooth surface and high thickness tolerance of Rotocure vulcanizing machine, and also ravel out the problem of restricted width, length and visible joint on press vulcanizing machine. It is triumphantly without joint and with infinite length under the above mentioned excellence. We have the super-wide drum-type vulcanizing press with 4000mm width and high quality products maximum 3800mm width without joint. High quality silicone rubber with good performance of anti-aging, ozone resistance, heat-resistant, electric insulation, oil resistance, solvent resistance, corrosion resistant, nonpoisonous and tasteless, pollution-free. Working in air, water, oil and other medium at the temperature of -60C - +260C(moment maximum 300C) with the high stability, reliability and surface inactive without sticky. Apply to punch all kinds of rubber seal gasket or special for PVC vacuum laminating press, wooden door vacuum laminating press, glass vacuum laminating press, solar vacuum laminating press, hot laminating press and card laminating press etc.
Specifications:
Material: 100% virgin silicone rubber from Germany or China
Quality: high tear resistant or middle tear resistant
Color: translucent, dark red, black, milk white, grey, blue etc.
Surface: smooth/smooth, smooth/impression fabric, smooth/sanded
Insertion: reinforced and insert 1 PLY fabric
Tensile strength: 7-12mpa
Hardness: 15, 20, 30, 40, 50, 60, 70, 80+/-5shore a
Elongation: 350%-760%
Density: 1.25-1.30g/cm3
Tear strength: 26-42n/mm
Working temperature: -60c - +260c(moment maximum 300c)
Thickness: 0.1-30mm
Width: 0.5-3.8m
Length: 1-50m
Grade: industrial grade, food grade
Press: Germany silicone for "+" and "-" press
Chinese silicone for "-" press only.
The pad printing silicon rubber usages:
The silicon rubber is mainly use for printing irregular patterns of plastic toys, electroplating toys, trade makers .Silicon pad printing is a carrier which transfer printing the patterns on the steel plate onto the toys products surface.
Pad printing silicon rubber features:
Pad printing silicon rubber with high print times and abrasion resistance, without any inpurities, with good printing effects, permanent and durable, we can provide all kinds of colors are available and our catalyst is free charged.
Pad printing silicon rubber operation instructions:
Pad printing silicon rubber is two-component silicone, part a is the liquid silicon rubber, part b is the catalyst. The usual mxing ratio for silicone rubber and catalyst is 100 : 2-3, eg. We take 100grams of liquid silicon rubber, then we add 2-3 grams catalyst, mix then evenly and pour it to your mold. Then after 2-4 hours, you will obtain a printing pad.
Frequently asked question of pad printing silicon rubber:
The reasons why the silicon pad has a short service life are listed as follows:
(1)the problem caused by inappropriate filtration of silicone rubber, and impurities in the packaging process due to the uncleanness of barrels and bags.
(2)the short service life of the silicone pad has a close relationship with the adding amount of silicone oil. The more the silicone oil added, the softer the silicone pad will be. The silicone oil will destroy the molecule of the silicone rubber, thereby bringing about the non-durable and easy ageing of the silicone pad.
We have two models on this series , hy968 and hy988 respectively.The model of 988 is a kind of high temperature addition cured silicon rubber with platinum catalyst.It is mainly designed for metallic arts&crafts and food grade mold making.It features with resistance to high temperature up to 300 centigrade to 500 centigrade, which makes up for those products impossible produced by press machine and fills the blank for large lead-zinc alloy crafts and fine pattern products.It is the most advanced htv-2 high temperature silicon in china and the best option for lead-zinc alloy crafts.
Rohs.Msds.Sgs iso9001:2000
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The pad printing silicon rubber usages:
The silicon rubber is mainly use for printing irregular patterns of plastic toys, electroplating toys, trade makers .Silicon pad printing is a carrier which transfer printing the patterns on the steel plate onto the toys products surface.
Pad printing silicon rubber features:
Pad printing silicon rubber with high print times and abrasion resistance, without any inpurities, with good printing effects, permanent and durable, we can provide all kinds of colors are available and our catalyst is free charged.
Pad printing silicon rubber operation instructions:
Pad printing silicon rubber is two-component silicone, part a is the liquid silicon rubber, part b is the catalyst. The usual mxing ratio for silicone rubber and catalyst is two to three percent, eg. We take one hundred grams of liquid silicon rubber, then we add two to three grams catalyst, mix then evenly and pour it to your mold. Then after two to four hours, you will obtain a printing pad.
Frequently asked question of pad printing silicon rubber:
The reasons why the silicon pad has a short service life are listed as follows:
(1)the problem caused by inappropriate filtration of silicone rubber, and impurities in the packaging process due to the uncleanness of barrels and bags.
(2)the short service life of the silicone pad has a close relationship with the adding amount of silicone oil. The more the silicone oil added, the softer the silicone pad will be. The silicone oil will destroy the molecule of the silicone rubber, thereby bringing about the non-durable and easy ageing of the silicone pad.
Liquid rtv silicone rubber for sculpture molding feature of liquid rtv silicone rubber for sculpture molding
Liquid rtv silicone rubber for sculpture molding is flowing liquid with general hardness of 22-50 a �� after curing with features:
1)low shrinkage
2)good operation
3)high tear and tensile strength
4)curing agent free
5)easy de-mold
6)high reproduction times
7)resistance to deformation and high-temperature, acid-alkali
Operations of liquid rtv silicone rubber for sculpture molding
If customers want to make large products and large size moulds, the mould should be made of silicone rubber with high hardness. On the contrary, if the mould with fine and precision patterns, it should be made of silicone with low hardness. The amount of the curing agent depends on the actual requirements of the customer. If mould requiring fast drying and demould, more curing is needed.
China zhengzhou mason is china's largest manufacturer of rubber expansion joints of the best, our products are sold around the world. Our main products include rubber joints expansion joints, dismantling joints, steel expansion joints.
Rubber joints are made of nbr rubber, ptfe rubber, epdm.
The flange of rubber expansion joints can be made jis flange, din flange, ansi flange and bs4504 flange.
Variety of materials rubber were applied to different media.
Different materials of flanges are applicable to different working environment.
Please choose according to their specific working environment.
China zhengzhou mason is china's largest company of flexiblerubber bellow company , our products are sold around the world. Our main products include flexiblerubber bellow, dismantling joints, steel expansion joints.
Flexible rubber bellow are made of nbr rubber, ptfe rubber, epdm.
The flange of rubber expansion joints can be made jis flange, din flange, ansi flange and bs4504 flange.
Variety of materials rubber were applied to different media.
Different materials of flanges are applicable to different working environment.
Please choose according to their specific working environment.
Material: epdm
Raw material brand: momentive, dupont, shinetsu, wacker, lanxess
Material standard: astm d2000, sae j200, jis and so on
Size: according to your requirements
Products function: match the male and female auto connectors as a whole set, play a sealing effect.
Mold style: injection
Application: be suitable for auto industry, medical equipment, household appliances, tele-communication, automobile, electronic field and so on
Lead time: according to clients' requirements
Package: pe bag+outer carton or according to clients' requirements
Material:epdm, epdm foam, silicone, fkm
Raw material brand:momentive, dupont, shinetsu, wacker, lanxess
Material standard:astm d2000, sae j200, jis and so on
Size:according to your requirements
Products function:circulation of air, water and oil.
Mold style:extrusion
Application:suitable for automobile chassis system.
Lead time:according to clients' requirements
Package:pe bag+outer carton or according to clients' requirements
Water resistance: closed bubble pore structure, non-absorbent, moisture-proof, waterproof performance is good.
Corrosion resistance: resistance to sea water, oil, acid, alkali, such as chemical corrosion, antibacterial, non-toxic, tasteless, pollution-free.
Machining: no joint, and easy to hot pressing, cutting, coating and laminating processing.
Shock: high rebound elasticity and tension resistance, strong toughness, has a good shockproof/buffer performance.
Heat preservation, heat insulation, excellent thermal insulation cold and low temperature resistance, resistant to cold and exposure.
Sound insulation: closed bubble hole, sound insulation effect is good.
EVA foam tube is with EVA for base material, can be custom-made according to customer requirements, produce different diameter specifications of products, welcome calls come to negotiate.
Usage :
Toy accessories, furniture, hardware product packaging.
FEP FilmThicknesses from 0.015mm to 0.3mm
* Excellent thermal stability: Usable throughout a wide thermal range -200 to +200°C (-328 to +392°F)
* Chemical Inertness: Resists almost all chemicals, such as strong acid, strong alkali, salt, and organic solvent.
* Anti-stick property: The lowest surface energy of all plastic films; displays excellent mould release and anti-stick properties.
* Electrical reliability: High electrical insulation characterised by low-dialectic constant and dissipation factor and by high dialectic strength over a wide range of temperature and frequency.
* Resistance to weathering: Inert to outdoor exposure; with unchanged mechanical and physical properties after 10 years.
* Non-flammability: Will not burn in air or gas having an oxygen concentration of less than 95%.
* High transparency: Transparent, with excellent transmission of ultraviolet rays and visible rays; lowest refractive index of all plastic films; characterised by very low light reflection.
FEP heat shrink tube,maximum continuous working temperature is 200°C, the shrinking temperature is only 110°C.Used initially for UV lamps in electronic fly killers, and subsequently for white lights, FEP has proved to be the ultimate coating material for shatterproofing lamps for this application. It allows glass and mercury to be safely contained when breakage occurs, yet does not become degraded by the heat or UV emitted by the lamps.
FORBEST FEP safety coated shatterproof lamps are used where a glass free area is required:
Schools and Colleges
Public spaces
Hotels and Restaurants
Warehousing and storage
Food processing plants
Food preparation and display areas
Supermarkets
Bakeries
Pharmaceutical plants
Medical centres, Dentists and hospitals
Leisure centres and swimming pools
Agricultural Industry
Stables and Liveries
Standard lamp sizes:
T5, T8, T10 and T12 - UVA, UVC and Triphosphur
Compact U type (Linx, PLL)
Circline
FEP Tubing Used in applications ranging from environmental monitoring equipment to medical applications and electronics applications.forbest manufacturing manufactures a wide range of custom and stock sizes of FEP tubing.
PTFE Tubing
FEP Tubing is most referred to under the name "PTFE Tubing". PTFE is actually three different polymer resins: FEP, PTFE, and PFA.
Applications
Applications where FEP tubing is chosen usually require more clarity, flexibility or a lower heat shrinkable temperature than PTFE.
Advantages of FEP Tubing
Lower heat shrink temperature than PTFE
More flexible than PTFE
More optically clear than PTFE
More lubricious than PFA
Polyethylene Foam is a strong and resilient closed-cell foam. Ideally suited as the material or a component material in shock absorbing products, this closed-cell foam padding is also a great way to dampen the effects of vibration. Polyethylene is available in foam sheets that are well-suited for use as insulation, barrier or buoyancy components and as a cushioning material in packaging applications. Polyethylene foam's excellent buoyancy also allows it to be used in flotation equipment and other marine products.
Details:
Closed-cell, chemically cross-linked structure
Lightweight
Shatterproof
Easy to fabricate
Does not produce dust
Excellent buoyancy
Superb strength and tear resistance
High shock absorption
Impervious to mildew, mold, rot, and bacteria
Superior chemical and grease resistance
Viton Tubing Known for its resistance to oils and chemicals, this remarkable material retains its good mechanical and chemical resistance properties at extremely high temperatures better than any other known elastomer. Viton is also a standout material in its resistance to weather-related aging and ozone. In fact, samples weathered in direct sunlight showed little or no change in properties or appearance after 13 years of exposure. Viton's fluid resistance far exceeds that of most other synthetic rubbers. It is resistant to hydrocarbons such as benzene, carbon tetrachloride, toluene, and xylene — fluids that normally act as solvents on rubber, disintegrating the material; leading to tubing failure. Engineers looking for exceptional resistance to petroleum-based fuels, oils, lubricants, and mineral acids at elevated temperatures will often turn to Viton, because most other thermoplastics cannot meet the necessary resistance levels.
Usage: widely used for all kinds of strong acid and alkali, steam, hot air, hot oil and other liquid transportation and packing, also used in work environment harsh coat of wire.
Heat-shrinkable silicone rubber tubing. The inner diameter shrinks by about 50% simply by heating. Heat shrinkable silicone rubber tubing are used for insulation, protection, and sheathing applications. These rubber tubings have superior heat and cold resistance, flexibility, and electrical insulative properties. They typically maintain their performance characteristics over a wide temperature range, from -50°C to +200°C.
Our heat-shrinkable tubing shrinks quickly by heating, and even complex shapes can be sheathed, thereby saving labor in the work process.
They exhibit stable electrical properties even in the harshest conditions.
Usage :
Mainly used in medical equipment, household electrical appliances, aerospace, military industry, automobile manufacturing, electronic components, transformers, motors, etc.
PFA Tubing (Perfluoroalkoxy) offers excellent crack and stress resistance and is used when more demanding mechanical characteristics are required. PFA Tubing is the product of choice for applications involving extreme chemical resistance combined with high temperature exposure. PFA Tubing is preferred when additional clarity, flexibility, and a higher continuous service temperature are required. PFA Tubing provides stiffness and long flex-life (up to 500º F) and has all the general properties of PTFE.
In the semiconductor and pharmaceutical industries, PFA HP (High Purity) Tubing is used for fluid handling applications requiring an extremely low level of chemical extractables.
PFA Tubing Offers:
Higher thermal stability than FEP
Working temperature of up to 500º F (260º C)
Non-flammable
Lower permeability than FEP
Combines attributes of PTFE and FEP
Translucent
Maintains mechanical strength at high temperatures
Moisture absorption close to zero
Superior high purity properties
Availabe in coiled hose and convoluted constructions
FDA compliant for food contact
Suitable for use with flare or conventional fittings
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