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FKM copolymer precompound and FKM terpolymer precompound

Technical data sheet of FKM precompound
| vulcanizing system | Grade Name | Fluorine Content% | Special Gravity g/cm3 | Mooney Viscosity | Processing method | Hardness | Tensile Strength | Elongation at break | Compression Set | TR10 | Yolanda Zhen
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| ML(1+ 10, 121℃) | Molding | Extrusion | injection | (Shore A) | (MPa) | (%) | 200℃×22H*25%(%) | (℃) | ||||||||||||
| Copolymer | Bisphenol system | FR2161 | 66 | 1.82 | 15±5 | √ | √ | 77 | 13 | 230 | 20 | -17 | Very low Mooney, excellent fluidity,good metal bonding, suitable for injection,extrusion, Molding oil seal | |||||||
| FR2201 | 66 | 1.82 | 25±5 | √ | √ | √ | 77 | 13 | 200 | 20 | -17 | Low Mooney, excellent fluidity, suitable for injection, extrusion complex rubber part. Comply with U.S. FDA certification. | ||||||||
| FR2261 | 66 | 1.82 | 25±5 | √ | √ | 75 | 13.5 | 270 | 21 | -17 | Injection, good metal bonding, suitable for oil seal, gasket, complex shape part, forced release part. | |||||||||
| FR2208 | 66 | 1.82 | 25±5 | √ | √ | √ | 80 | 12.5 | 240 | 28 | -17 | Low Mooney, excellent fuel resistance, suitable for pipe and miscellaneous parts. | ||||||||
| FR2361 | 66 | 1.82 | 35±5 | √ | √ | 75 | 14 | 280 | 20 | -17 | Good fluidity, good metal bonding, suitable for oil seal or sealing material need good bonding to Metal. | |||||||||
| FR2365 | 66 | 1.82 | 37±5 | √ | √ | 75 | 14 | 280 | 20 | -17 | Wide molecular weight distribution, Specific grade for complex oil seals | |||||||||
| FR2401 | 66 | 1.82 | 40±5 | √ | √ | √ | 77 | 16 | 210 | 19 | -17 | Medium Mooney viscosity injection and molding of o-ring, Gaskets, Mechanical Seal and extruded cord. | ||||||||
| FR2404 | 66 | 1.82 | 40±5 | √ | √ | √ | 76 | 14 | 210 | 20 | -17 | Especially suitable for large O-ring and thick products. | ||||||||
| FR2464-X | 66 | 1.82 | 40±5 | √ | √ | 78 | 15 | 200 | 21 | -17 | Middle Mooney viscosity, suitable for injection and molding of O-ring and accessories | |||||||||
| FR2501 | 66 | 1.82 | 50±5 | √ | √ | 76 | 16 | 200 | 19 | -17 | Excellent compression set, suitable for O-ring. | |||||||||
| FR2504 | 66 | 1.82 | 50±5 | √ | √ | 76 | 15 | 200 | 20 | -17 | O-ring, miscellaneous part and small gasket. | |||||||||
| FR2561 | 66 | 1.82 | 50±5 | √ | √ | 76 | 16 | 230 | 19 | -17 | Good bonding property with skeleton, suitable for compresion and transfer molding parts. | |||||||||
| FR2601 | 66 | 1.82 | 60±5 | √ | √ | 77 | 16 | 190 | 18 | -17 | Suitable for O-ring. Comply with U.S. FDA certification. | |||||||||
| FR2661 | 66 | 1.82 | 60±5 | √ | √ | 77 | 15 | 210 | 18 | -17 | Suitable for simple rubber products and bonded metal insets products that can be made by injection or compression molding. | |||||||||
| FR2901 | 66 | 1.82 | 80±10 | √ | 77 | 16 | 190 | 17 | -17 | Suitalbe for rebound resilience and low comperssion set gasket or sealing material. | ||||||||||
| FR2961 | 66 | 1.82 | 80±10 | √ | 76 | 15 | 200 | 17 | -17 | Good metal bonding, suitable for use in the production of oil seal products and connection products with metals. | ||||||||||
| Terpolymer | Bisphenol system | FR3301 | 68 | 1.85 | 30±5 | √ | √ | 76 | 13 | 230 | 17 | -15 | Low Mooney viscosity Extrusion an injection. | |||||||
| FR3303HF | 69.5 | 1.86 | 48±5 | √ | √ | 80 | 13 | 250 | 26 | -8 | It is very suitable for the production of o-ring and miscellaneous parts | |||||||||
| FR3305HF | 69.5 | 1.86 | 38±5 | √ | √ | 80 | 12 | 250 | 26 | -8 | Suitable for O-ring and miscellaneous parts, excellent fuel resistance. | |||||||||
| FR3308 | 69.8 | 1.9 | 30±5 | √ | √ | 77 | 13.5 | 280 | 28 | -8 | Hgh fluorine content FKM terpolymer with low Mooney viscosity and very suitable for producing fuel hose, Good bonded properties with AEM/AEM and ECO rubber. | |||||||||
| FR3308THV | 69.5 | 1.95 | 33±5 | √ | √ | 77 | 13 | 280 | 28 | -8 | Suitable for fuel hose with THV add adhesion requirement. | |||||||||
| FR3361 | 68 | 1.85 | 30±5 | √ | √ | √ | 75 | 11 | 320 | 19 | -15 | Excellent mold flow and good tear resistance, good metal bonding, suitable for complex shapes, bonded metal inserts. | ||||||||
| FR3402L | 66 | 1.83 | 40-45 | √ | √ | √ | 75 | 13 | 240 | 30 | -19 | High fluorine content. Good metal bonding.Suitable for extrusion, transfer molding and molding of fuel hose, gasket. | ||||||||
| FR3461 | 68 | 1.85 | 40±5 | √ | √ | √ | 75 | 14 | 300 | 23 | -15 | Good processability and mold release , suitable for injection molding of metal bonded parts. | ||||||||
| FR3502L | 67 | 1.83 | 50-55 | √ | √ | 75 | 12 | 180 | 14 | -20 | Good fluidity, better performance at low temperature than normal FKM terpolymer. | |||||||||
| FR3501 | 68 | 1.85 | 50±5 | √ | √ | 77 | 13 | 210 | 19 | -15 | Excellent low comperssion set, suitable for O-ring. | |||||||||
| FR3561G | 69.5 | 1.89 | 50±4 | √ | √ | 77 | 13 | 210 | 31 | -7 | High fluorine content. Suitable for methanol gasoline resistance occasions. | |||||||||
| FR3561 | 68 | 1.86 | 50±5 | √ | √ | 75 | 14 | 280 | 20 | -15 | Good adhesive properties with skeleton, very suitable for the oil seals and valve stem seals. | |||||||||
| FR3661 | 68 | 1.85 | 60±5 | √ | √ | 77 | 14 | 200 | 18 | -15 | Good adhesive properties with skeleton, very suitable for molding valves and other complx seals | |||||||||
| FR3663 | 68 | 1.86 | 60±5 | √ | √ | 77 | 14 | 260 | 20 | -15 | Good chemical resistance and suitable for molding O-ring, crankshaft seals and other bonded parts. | |||||||||
| FR3701 | 68 | 1.85 | 70±5 | √ | 78 | 14 | 200 | 18 | -15 | Good compression and tear strenght, sutable for molding valve seals, gaskets | ||||||||||
| FR3761 | 68 | 1.85 | 70±5 | √ | 75 | 14 | 200 | 20 | -15 | Excellent hot tear property. Good bonding with metals. Especially suitable for mechanical seals. | ||||||||||
Package:
Packed with sealed PE bag outside, load in waterproof paper barrel. The net weight is 25+0.1kg per barrel, then stack on a pallet.Store in clean, cool and dry places, avoid contamination from foreign substance such as dust and moisture.

Shipping:
Nontoxic, noninflammable, inexplosive, no corrosion, the product is transported according to non-dangerous product.
Normally, one week for samples and Within 3 weeks after payment for others.
Production orders can be arranged specially to meet customer’s urgent demands.
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