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Qingdao Tennry Carbon Co., Ltd.
Qingdao Tennry Carbon Co., Ltd.
  • soft graphite felt manufacturers
  • soft graphite felt suppliers

Soft Graphite Felt

Graphite soft felt is a flexible high-temperature thermal insulation material. It features low thermal conductivity, outstanding heat-resistant performance and excellent chemical stability. Resistant to corrosion and thermal shock, it works reliably under high-temperature inert or vacuum environments. Light-weight and easy for cutting and processing, it can be made into various custom sizes. Widely used for heat preservation and shielding in sintering furnaces, vacuum furnaces and metallurgical thermal-processing equipment.


Specifications of Soft Graphite Felt


ITEMCarbon fiber feltGraphite fiber feltCarbon fiber feltGraphite fiber felt

Bulk density (g/cm3)

0.11-0.130.09-0.120.10-0.160.10-0.15
Carbon (%)≥90≥99.9≥97≥99.9
Thermal conductivity (1150°C)(W/m·k)0.09-0.150.08-0.120.05-0.50.05-0.5
Tensile Strength(Mpa)0.130.10.150.14
Crushing stress at 10% compression(N/cm2)
6-105-88-128-10
Ash (PPM)≤0.05≤200≤1500≤500
Processing temperature(°C)1000220010002200
Operating ConditionIn the air(℃)≤300≤300≤300≤300
In the vacuum(℃)≥2200≥2800≤2400≤2800
SPECLength (m)16-1816-180-280-28
Wide (mm)1000-14001000-1300≤1750≤1600
Thickness (mm)3-103-103-143-10


Products

Features of Soft Graphite Felt

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02
Features of Soft Graphite Felt
01

Adhesive-based carbon felt/graphite felt is a carbon fiber felt made from plant resin fibers. It has excellent thermal insulation properties, low ash content, and a soft texture. It is a commonly used material for thermal insulation in high-temperature furnaces and can be used for drawing P-type and N-type single-crystal silicon.

Features of Soft Graphite Felt
02

The polyacrylonitrile-based carbon fiber felt is a felt product made from polyacry lonitrile fibers through harmless and needle-punching processes, and is produced through reasonable pre-oxidation and carbonization processes. This product is a mature technology, cost-effective, and widely applicable high-temperature insulation material.


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