Graphite Felt and Carbon Felt

Catalog

Model: WT-GF302/WT-CF303

Carbon felt and graphite felt are designed for use as high temperature insulation in vacuum furnaces and inert gas furnaces. The needle-punched PAN based carbon and graphite felt is light in weight and has low thermal conductivity. It can be used in oxidizing temperatures up to 400 °C and in vacuum or protective atmospheres up to 3200°C

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Introduction

Application

· For resistance-or induction heated vacuum furnaces and inert gas furnaces.

· For inductively heated melting and heat treatment furnaces

· For nuclear reactor technology (small cross-sectional area for neutron absorption).

· Felt is applied as thermal insulation, as filters, and as catalyst support.

· It can also be applied for porous electrodes.

Features

· Low thermal conductivity

· Low Specific heat

· Permits rapid heating and cooling of furnace

· High thermal stability

· Favourable resistivity

· Easy of handling

· Favourable surface properties

Parameter

ITEM	INDEX
Trademark	Rayon-based Carbon Felt LTZ-124-5	Rayon-based Graphite Felt LTZ-124-6	Rayon-based Graphite Felt LTZ-124-3	Rayon-based Graphite Felt LTZ-124-1
Material	RCF	RCF	PAN-CF
Bulk density(g/cm3)	0.10-0.12	0.08-0.10	0.14-0.15	0.12-0.14
Carbon(%)	≥98.5	≥99	≥98.5	≥99
Thermal conductivity(1150oC W/m .k)	0.08-0.15	0.06-0.14	0.12-0.18	0.08-0.14
Tensile Strength (Mpa)	0.13	0.1	0.15	0.14
Crushing stress(at 10% compression N/cm2)	6-10	5-8	8-12	8-10
Ash(%)	≤0.05	0.005	0.05	0.005
Processing temperature	1200℃	2300℃	1200℃	2300℃
Operating Condition in the air	≤400℃	≤400℃	≤400℃	≤400℃
Operating Condition in the vacuum	≥1500℃	≥2300℃	≥1500℃	≥2300℃
Operating Condition in the vacuum In theinert atmosphere	≥2300℃	≥3300℃	≥2300℃	≥3300℃
Spec	lenght (m)	16-18	9-12
	wide (mm)	1000-1300
	Thickness (mm)	3/5/8/10/12

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