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Home>Product>Carbon fibre composite rigid felts (long and short)>Long Fiber Rigid Felt

Long Fiber Rigid Felt

Vulcan now has advanced carbon fiber felt technology, with carbon fiber soft felt as raw material to produce cured felt and after 2400 ℃ high-temperature graphitization of one-time molding. The hard felts are structured by density gradient method and treated with surface treatment or purification for higher strength and better oxidation resistance. All felting equipment, impregnation equipment, curing and molding equipment, carbonization and graphitization equipment, and high temperature chemical purification equipment are developed independently.
優(yōu)點(diǎn)
High mechanical strength
Good thermal insulation
Outstanding thermal stability
High purity, low impurity content
Excellent thermal shock resistance
Long service life

Application

Mainly used in high temperature environment under vacuum or inert gas protection, such as semiconductor crystal growth furnace, photovoltaic single crystal silicon/polycrystalline silicon furnace, optical fiber preform and drawing furnace, sapphire growth furnace, high-end metal heat treatment furnace, etc.

Performance Indicators

Performance Indicators Units Vulan Models
VU-LRF-PD VU-LRF-PR VU-LRF-VB VU-SRF-V VU-LRF-SPG
Density g/cm3 0.16±0.02 0.16±0.02 0.18±0.02 0.18±0.02 0.25±0.02
Carbon Content wt >99.9 >99.9 >99.9 >99.9 >99.9
Heat-Treatment Temperature ℃ 2400 2400 2400 2400 2400
Average Thermal Conductivity 1000℃ W/（m·K） 0.23 0.18 0.17 0.25 0.44
Ash Content ppm <20 <20 <20 <20 <200
Compressive
Strength 		Mpa 1.80 1.50 1.20 0.50 2.31
Bending
Strength 		Mpa 1.33 1.26 1.00 0.50 1.80
Usage
Environment 		Vacuum ℃ 2400 2400 2400 2400 2400
Inert Gas 3200 3200 3200 3200 3200
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