Fluorosilicone rubber(FVMQ)
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Product Details
Fluorosilicone Rubber Composition Introduction
Fluorosilicone rubber composition is a white or other-colored fluoroelastomer. This composition involves adding reinforcing filler to fluorosilicone rubber, which greatly improves its mechanical properties. The rubber products can be used for a long time in the temperature range of -68 to 200°C. The rubber products find widespread application in various fields such as automotive, military, and aerospace, particularly in fuel tank sealing.
Fluorosilicone Rubber Technical Index
| Item | KT421 | KT422 | KT423 | KT424 | Test Method/Standards |
| Appearance | White and smooth | Visual inspection | |||
| Density/g/cm³ | 1.40-1.50 | GB/T 533 | |||
| Rigidity/Shore A | 40-80 | 40-80 | 40-80 | 40-80 | GB/T 531.1 |
| Tensile strength (MPa) | 8.0-10.0 | 9.0-12.0 | 8.0-9.0 | 8.0-9.0 | GB/T 528 |
| Tear strength/KN/m | 20-25 | 35-40 | 20-25 | 20-25 | GB/T 529 |
| Elongation at break/% | 200-300 | 400-550 | 200-300 | 200-300 | GB/T 528 |
| Compression set (177°C*22 h) | 15-30 | 15-30 | 10-15 | 15-20 | GB/T 7759.1 |
| Resilience rate/% | 30-40 | 25-35 | 30-40 | ≥45 | GB/T 1681 |
Rate of volume change, % Fuel B at 25°C x 72 h | ≤20 | ≤20 | ≤20 | ≤20 | GB/T 1690 |
Fluorosilicone Rubber Applications
Fluorosilicone rubber is commonly used for sealing in situations that require resistance to high temperatures, low temperatures, nonpolar solvents, radiation, and aging. Such as making gasket, O-ring, tubing, cable covers, etc.
Fluorosilicone rubber Introduction
Fluorosilicone rubber (FVMQ) is a kind of transparent or light yellow elastomer. The products, after processing and vulcanizing, exhibit good mechanical properties, excellent resistance to both high and low temperatures (-70-2000°C), and oil resistance to all types of fuel, synthetic oil, and lubricating oil. FVMQ is widely used in modern aviation, rockets, missile aerospace flight, cutting-edge science and technology, and other industries.
Technical Index
| Item | KT411 | KT412 | KT413 | KT414 | Test Method/Standards |
| Appearance g/cm³ | Transparent or light yellow elastomer | Visual inspection | |||
| Density | 1.28~1.32 | GB/T 533-2008 | |||
| Viscosity, molecular weight | 60±10 | 80±10 | 100±10 | 120±10 | / |
| Vinyl content mol % | 0.02-1.00 | / | |||
| Volatile matter (150°C, 3h) % | ≤2 | 150°C x 3 h | |||
Application
It is widely used in situations that need to withstand extreme temperatures, nonpolar solvents, radiation, aging, and other sealing needs. Such as making gaskets, O-rings, tubing, cable covers, etc. At the same time, FVMQ raw rubber can be used as gas separation membranes and sealants.
FAQS:
Is fluorosilicone a rubber?
Fluorosilicone is a variation of silicone rubber that maintains excellent high-temperature stability and mechanical properties, while offering greater resistance to fuel, oil and other chemicals
What is fluorosilicone rubber?
Fluorosilicone rubber is a class of linear polymers with a Si-O-Si backbone and fluoroalkyl or fluoroaryl side chains. It combines the excellent temperature resistance, electrical properties, and resilience of silicone rubber with the superior oil resistance, solvent resistance, and chemical resistance of fluorocarbon rubber. Overall, it exhibits flexibility at low temperatures, high tensile strength retention at high temperatures, good insulation properties, and low permeability.
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