FKM JHF246 Series
-(CH2-CF2)m-(CF2-CF)n-(CF2-CF2)l-
CF3
CAS No.:25067-11-2
Item |
Technical Index |
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JHF2461 |
JHF2462 |
JHF2463 |
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Raw gum |
Appearance |
White or light yellow sheet |
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Specific gravity, g/cm3 |
1.84 – 1.88 |
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Moisture, % ≤ |
0.1 |
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Mooney viscosity, [ML(1+10),121℃] |
15 – 40 |
41 – 65 |
66 – 130 |
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Vulcanized rubber |
Compression set(200℃×70h, compressibility25%), ≤ |
25 |
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Tensile strength, Mpa ≥ |
10 |
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Elongation at break, % ≥ |
200 |
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Hardness (Sauer A) |
70 – 80 |
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Note |
The bisphenol AF vulcanizing agent was used for the vulcanization test in the identification formula. |
• FKM JHF246 series (commonly known as 3# gum) is an elastomer synthesized by copolymerization of vinylidene fluoride (VDF), hexafluoropropylene (HFP) and tetrafluoroethylene (TFE);
• The product is non-toxic, tasteless, incombustible, self-extinguishing and with good storage stability. It could be soluble in low-molecular-weight ketone or ester;
• Vulcanized rubber has good mechanical properties like heat, oil, solvent, flame, and weather resistance, electrical insulation.
• The product is widely used in the areas of high temperature resistant, fuel resistant (aviation fuel, automotive fuel), lubricant resistant (various synthetic oil), fluid resistant (various non-polar solvents), corrosion resistant (acid, alkali), strong oxidant resistant (fuming sulfuric acid, etc.), ozone resistant, radiation resistant and weather resistance;
• It is also used to make gaskets, O-rings, V-shaped bodies, skeleton oil seals, diaphragms, hoses, cable sheaths, heat-insulating cloths, valve plates, and expansion and contraction, joints, rubber rollers, coatings, paste-like room temperature vulcanized putties, etc.
• 5kg/bag, 5 bags/carton;
• Packed in a polyethylene bag, stored in a clean, dry and cool warehouse;
• It is transported as non-hazardous chemicals and should be kept away from pollution, sunlight and water during transportation;
• The storage period of the product is one year from the date of production. If it exceeds the storage period, it can be re-inspected according to the company’s inspection standard. If it meets the requirements, it can still be used.