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Our philosophy

Our philosophy is simple: put people first, stay curious, and build with purpose. We value honesty, craftsmanship, and lasting relationships over quick wins. Every decision starts with a question: does this genuinely help the people we serve?

High-Purity Carbon

High-purity carbon felt and composites for semiconductor thermal insulation, with custom processing and samples.

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INSUL Carb | Carbon Felt

INSUL Carb
INSUL Carb - Carbon Felt
INSUL Carb manufactures high-purity carbon felt and carbon composites for semiconductor thermal insulation, offering custom processing and samples worldwide.
INSUL Carb: high-purity carbon felt and carbon composites for semiconductor thermal insulation. Custom processing and samples for global industrial buyers.
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Raw Materials

graphite felt

High-purity graphite felt with low thermal conductivity, excellent thermal shock resistance, stable at ultra-high temperature, for semiconductor crystal furnace thermal insulation.

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carbon felt

Needled carbon felt with good heat insulation and thermal shock resistance for high temperature furnace.

soft graphite felt

Rigid graphite felt, machinable, low fiber shedding, for semiconductor high-temperature furnace thermal insulation.

rigid graphite felt

Soft needled carbon/graphite felt, flexible for wrapping thermal insulation of high-temperature furnaces.

Performance Specifications

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Finished Product Display

- Cured and rigid structure, good load-bearing capacity, anti-sagging for furnace bottom

- Low fiber shedding, high cleanliness to avoid contamination

- Ultra-high temperature resistance, stable thermal insulation under vacuum or inert atmosphere

- Machinable, can be drilled and milled according to custom drawings

- Excellent thermal shock resistance, not easy to crack during thermal cycles

- Rolled from high-purity soft graphite felt, flexible liner for furnace inner wall

- High porosity and low thermal conductivity for excellent heat insulation

- Stable above 2000℃ under vacuum or inert atmosphere, uniform temperature field

- Customizable inner diameter, wall thickness and height, easy to assemble

- Low ash content, suitable for semiconductor and crystal growth furnaces

- Cost-effective; needs fixation during installation with minor fiber shedding

- Functions as both thermal insulation and radiation heat shield, optimizing temperature gradient inside furnace

- High purity and low ash content, minimizing contamination risk for crystals and wafers

- Ultra-high temperature resistance, stable over 2000℃ in vacuum or inert atmosphere

- Excellent thermal shock resistance, not easy to crack under repeated temperature cycles

- Cuttable and machinable to match customized heat shield assemblies

- Good chemical inertness, compatible with various high-temperature process atmospheres

Bottom Furnace Rigid Graphite Felt

Graphite Felt Insulation Cylinder

Heat Shield Graphite Felt

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