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Pan-Based Soft Felt

Vulcan uses unique air-laid technology, high uniformity, ideal fiber network structure for chemical properties, good felt stretch and strength, and special manufacturing process to produce graphite soft felt with high thermal insulation and high purity.
优点
Good high temperature insulation
Outstanding thermal stability, low expansion coefficient
High purity, low impurity content
High uniformity, uniform thickness
Corrosion resistance, long service life

Application

Mainly used in high temperature environment under vacuum or inert gas protection, such as SiC induction furnace/resistance furnace, silicon single crystal/polycrystalline furnace, high temperature sintering furnace, optical fiber rod making/drawing tower, thermal high temperature furnace, etc.

Performance Indicators

Performance Indicators Units Vulan Models
VU-SF-SPZ VU-SF-SVZ VU-SF-HVM VU-SF-HVS
Thickness mm 5/10 5/10 5/10 6/11.5
Density g/cm3 0.12±0.01 0.12±0.01 0.12±0.01 0.12±0.01
Width mm <1400 <1400 <1400 <1400
Ash Content ppm <200 <200 <20 <20
Thermal Conductivity
1000℃
W/(m·K) 0.15-0.20 0.1-0.15 0.19 0.13
Heat-Treatment Temperature >2200 >2200 >2400 >2400
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