Supplier: 1)palm oil (cpo, palm olein, margarin)
2) natural rubber , synthetic rubber,
3) natural latex
4) nitrile & latex gloves
5) urea (granul/pril) n46%
6) tomato paste (aseptic 36 37)
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Supplier: Tyres, raw materials, semi finished products and rubber paste
DMDBH curing agent Apperance: past Assay: 45% CAS: 78-63-7 Molecular weight :290.4 Active oxygen content peroxide :11.02% Cas no. :78-63-7; 68083-18-1 Einecs/wlincs no. :201-128-1 Tsca status : listed on inventory DMDBH is a bifunctional peroxide which is used for the crosslinking of silicone rubber Appearance : Transparent evenly paste Assay : 43.0-45.0% Density, 20ípC : 0.870 g/cm3 Flashpoint : 56ípC Freezing point : 6ípC Due to the relatively unstable nature of organic peroxides a loss of quality can be detected over a period of time. To minimize the loss of quality, we recommend a maximum storage temperature (TS max.) for each organic peroxide product. For DMDBH TS max.= 30 ípC When stored under the recommended storage conditions, DMDBH will remain within the specifications for peroxide of at least 6 months after delivery. Thermal stability Organic peroxide are thermally unstable substances, which may undergo self-accelerating decomposition. The lowest temperature at which self-accelerating decomposition of a substance in the original packaging may occur is the Self-Accelerating Decomposition Temperature (SADT). The SADT is determined on the basis of the Heat Accumulation Storage Test. Organic peroxide are thermally unstable substances, which may undergo self-accelerating decomposition. The lowest temperature at which self-accelerating decomposition of a substance in the original packaging may occur is the Self-Accelerating Decomposition Temperature (SADT). The SADT is determined on the basis of the Heat Acumulation Storage Test. For DMDBH SADT: 80ípC Packing and For DMDBH, the standard packaging is 18kg/drum. Transport Safety and handling: Keep containers tightly closed. Store and handle DMDBH in a dry well-ventilated place away from sources of heat or ignition and direct sunlight. Never weigh out in the storage room. Void contact with reducing agent (e.g.amines), acids, alkalines and heavy mental compounds (e.g. accelerators, driers and metal soaps.) Applications DMDBH is used for the crosslinking of silicone rubber. Rubber compounds contain DMDBH have excellent scorch safety. Safe processing temperature: 135ípC (rheometer ts2> 20 minutes) Typical crosslink temperature: 175ípC (rheometer t90 about 12 minutes) 18kg/pail
Manual mold silicone rubber applications Manual mold silicone rubber is mainly applicable to manual mold design, PVC plastic molds, cement product molds, melting point alloy molds, alloy toy craftworks, plastic toy craftworks, gifts and stationery, large statues, duplication of cultural relics, shoe sole mold fabrication, pad printing positioning, shock resistance for electronic equipments, etc. Manual mold silicone rubber features description Manual mold silicon rubber features with the resistance to deformation, good tensile strength as well as low shrinkage, and time of reproduction determined on the basis of customers. 1 Good elasticity 2 Non-deformation 3 Heat resistance 4 Low shrinkage Model Codes of Manual Mold Silicone Rubber HY-528 is applicable to make molds of smaller products and the production will be 2-3 pieces. HY-540 compared to other two types, for its moderate hardness and better quality & performance, its production will be 20-30 pieces. HY-57 is applicable to large size products duplications and Electronic equipment antivibration. Manual mold silicone rubber operations Firstly process and prepare the model mold or the product to be duplicated, take certain amount of the silicon rubber, add 2-3% solid curing agent, and mix evenly and they are ready for use. One pair of mold can be solidified and formed in 2-3 hours. (Note: our company does not recommend you to add silicon oil. If a special soft silicon mold or fine detailed and complex patterns products are required, 5%-10% silicon oil can be added to soften the mold for easy demolding.) Frequently asked questions for manual mold Silicon rubber 1. What should we do when the air bubbles appeared in the process of mold making ? To handle this situation depends on different cases. Under the condition of an available vacuum pumping machine, mix the silicon rubber and curing agent evenly and then take it to vacuum chamber to deair. If without a vacuum pumping machine, reduce the amount of the curing agent properly. For example, change the mixing ratio of the silicon rubber and the curing agent from former 4% to 1%-2%. In this way, the pre-crosslinking time of silicon rubber will slow down, so the air in the mold will be eliminated gradually to reduce the air bubbles. 2. What should we do when silicone rubber mold didn't cure evenly? The reasons why the phenomenon arises are as follows: incorrect mixing proportion of the silicone rubber and the curing agent due to unqualified weighing; uneven mixing of the silicone rubber and the curing agent, which may cause material wasting , and we should avoid it . 3.What should we do when the silicone rubber stick with the mold? It arises because we didn't handle the model mold (product mold) properly. Before mold making, the model mold has to be sanded and polished, and cleaned carefully concerning the master mold with a coarse surface or to make complex molds. and then brushing a layer of release agent evenly. General release agents include Vaseline, detergent, liquid paraffin, etc. The release agents can be selected according to the different textures of various model molds. 4.What should we do if a silicone rubber mold product deforms? The solution depends on the size of the product. In principle, the size of the product should be in direct proportion to the hardness of the silicone rubber. Regarding small or very fine detailed products, soft silicone with hardness of 10-20 shore A is required for easier demould without damaging the lines of the fine products. Regarding large products, such as products with size above 50 cm, silicone rubber with hardness of 40-50 shore A is required for non-deformation. Regarding large but fine products, silicone rubber with hardness of about 30 shore A can be used for mold making (the method is to brush a layer silicone rubber and then paste a layer of glass fiber cloth and brush another silicone rubber), the outer mold can be made of gypsum, fiberglass reinforced plastics (unsaturated resin plus glass fiber cloth) for preventing the products from deforming. Place of Origin:Guangdong China Brand Name:HY silicone rubber Model Number:HY5 series rubber for manual mold making Minimum Order Quantity:200 Kilogram Packaging Details:25kg/drum and 200kg/drum Delivery Time:within 3 days after payment confirmed in our bank. Payment Terms:L/C,T/T Supply Ability:5 Ton per Day Price: 3.9-5.2usd/kg Certifications: RoHS. MSDS.SGS ISO9000/9001/9004/9011: 2000 25kg/drum and 200kg/drum
Supplier: Textile Screen Printing Inks/ Paste. Rubber Paste, Dtg Paste, Puff Paste, Flocking Paste, Hd Paste, Metallic Paste, Foil Paste, Glitter Paste,Pigment Paste, Cmyk Paste, Fire Proof Paste, Discharge Paste, Anti Freezing Paste,Anti Migration Paste, Etc.
Supplier: Silicone rubber, HTV, LSR (liquid injection molding), RTV, silicone oil/Emulsion, rubber additives, color master batches/ paste, specialty chemicals
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Rubber rollers for printing & packaging industry. Our rollers are of world class quality. For the past 3 decades we are serving printing rollers, textile rollers, tannery rollers, epdm rollers, silicon rollers, copper rollers, offset & web offset printing roller, rubber rollers, rubber lining, rubberised rollers, ink rollers, water rollers, damping rollers, offset printing machine rollers, roller covers, printing rollers, industrial rollers, ink rollers, water rollers. All leading machines rollers such as heidelberg , mitsubhishi, akiyama, komari, rolland, planata polygraph rollers etc., are readily avaibale.
Dimensions: - Width*Length: 11cm * 3.2m : 8cm * 3.2m - Thickness: 2cm Description: To prevent low of water past a closed gate, seals are provided either on the gate or on the metal frame in the gate slot. Rubber is the most commonly used material for seals, as it is elastic, deforms readily and regains its original shape on removal of load. Material: - EPDM. - Screwed + held by steel sandwich. Physical Specification: - Hardness Shore A: 60 - 70 - Tensile (kg/cm2) : 100 kg/cm2 - Elongation at break %.: 450% - Color: Black Applications: Water Preventative in rivers Dams
Dimensions: Width*Length: 15cm * 13m : 2.5cm * 13m - Thickness: 1 cm Description: To prevent flow of water past a closed gate, seals are provided either on the gate or on the metal frame in the gate slot. Rubber is the most commonly used material for seals, as it is elastic, deforms readily and regains its original shape on removal of load. Material: - EPDM. - Screwed + held by steel sandwich. Physical Specification: - Hardness Shore A: 60 - 70 - Tensile (kg/cm2) : 100 kg/cm2 - Elongation at break %.: 450% - Color: Black Applications: Water Preventative in rivers Dams
