Peroxyfluororubber Premixed Rubber

 

Peroxyfluororubber premixed rubber is a peroxyfluororubber premixed rubber that is based on peroxyfluororubber raw rubber and added with vulcanizing agent, processing aid, mold release agent and other materials.

 

 

Peroxyfluororubber premixed rubber consists of raw rubber, vulcanizing agent, and processing aids. The raw rubber is divided into three types with high, medium and low fluorine content. The low fluorine-containing peroxy raw rubber is type 26. It is formed by copolymerization of vinylidene fluoride, perfluoroethylene and vulcanization point monomer.

 

 

Aluda peroxyfluororubber premixed rubber is a white peroxide vulcanized premixed rubber, which has good physical and processing properties, and has strong medium resistance (acid and alkali corrosion), ozone resistance, aging resistance.Various excellent properties such as high temperature resistance, suitable for making oil seals, O-rings, watch straps and other products.

 

 

Item/Grade	Test Method	Performance Index
Model		GM60	GM70	GM80
Appearance		White
Hardness/shore A	ATSM D2240	60±5	70±5	80±5
Tensile Strength/MPa	ATSM D412	17.3	20.1	23.5
Elongation at break,%	ATSM D412	454	380	313
Compression at set,200℃,70h	ATSM D395	32.1	32	31.9

Note:

One-stage vulcanization: 180°C @5min, two-stage vulcanization: 230°C @4h.

 

 

1. Mixing: Re-mix several times on the open mill, add the required fillers, and then adjust back to 0.5mm-1mm thin pass 16 times after eating the material, and then leave the tablet and park it.

2. Vulcanization: After remilling the fluoroperoxide rubber with processing aids, it is sliced or cut into the desired shape, and then placed on the equipment for vulcanization and molding.

 

 

Peroxyfluororubber is mainly used in aerospace, automobile, machinery, petrochemical and other fields. Peroxide fluorine rubber can be used as dynamic and static sealing materials for aircraft hydraulic systems and lubrication systems, oil field sealing materials, oil field cable pipelines and drilling equipment. Peroxide fluorine rubber can be used for flexible connections of equipment and pipelines in the chemical industry , pumps, etc. as linings or as corrosion-resistant sealing materials, made into pipes for transporting corrosive media, etc.

 

 

1. Corrosion resistance: Peroxyfluororubber has excellent corrosion resistance, which can resist organic liquids (fuel oil, solvents, hydraulic media, etc.), concentrated acids (nitric acid, sulfuric acid, hydrochloric acid) and other media. patience.

2. Swelling resistance: Fluorine rubber has a high degree of chemical stability and is the best medium-resistant property among all elastomers at present. It can resist petroleum-based oils, diester oils, silicone ether oils, and silicic acid oils. Class, resistant to inorganic acids, resistant to most organic solvents, inorganic solvents, drugs, etc.

3. High temperature aging resistance: In terms of aging resistance, fluorine rubber can be compared with silicone rubber and is better than other rubbers. The high temperature resistance is the same as that of silicone rubber. It can be said that it is the best temperature resistance among elastomers. 26-41 type fluororubber can be used for a long time at 250 degrees Celsius for a short period of time, and it can be used for a short time at 300 degrees Celsius. 246 type fluororubber is better than 26 -41 type is better.

4. Resistance to superheated water and steam: the vulcanization system of peroxide vulcanized fluorine rubber is more resistant to superheated water than the products vulcanized by amine and bisphenol vulcanization systems.

5. Weather resistance and ozone resistance: Viton has excellent weather resistance and ozone resistance.

6. High vacuum resistance: Fluorine rubber has excellent vacuum resistance, and it has a small outgassing rate and extremely small gas volatilization under high temperature and high vacuum conditions.

7. Flame resistance: Fluorine rubber can burn when in contact with a flame, but it will automatically extinguish after leaving the flame, so it is a self-extinguishing rubber.

 

Storage method: store in a dry environment at room temperature, valid for one year.

Packing: This product is packed in polyethylene plastic bags in the form of film, 10 kg per bag, two bags per carton.

Transportation: This product is transported as a non-hazardous chemical. Avoid contact with pollution sources, sunlight, and water during transportation.

Precautions: This product should remain neutral, avoid contact with acidic and alkaline substances.

 

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