Fasteners
Fasteners

Fasteners

Product Description:

Carbon/carbon fasteners are critical components of the thermal system in photovoltaic single-crystal silicon growth furnaces, connecting parts such as crucibles and heaters under high-temperature conditions ranging from 1600 to 1800°C.

Thanks to their low coefficient of thermal expansion, carbon/carbon fasteners can absorb the mechanical stresses caused by thermal cycling. Additionally, since their thermal conductivity is lower than that of graphite materials, they help minimize heat loss and effectively resist chemical erosion from molten silicon at high temperatures.

 

Recommended grades:

KBC-13B

Density, g/cm³:

≥1.30

Flexural strength, MPa:

≥110

Tensile strength, MPa:

≥90

Compressive strength, MPa:

≥160

Coefficient of thermal expansion, 10 -6 /K

≤1.0

Keywords:

Category:

Photovoltaic Field

Product Message
Related Products

Related Products

Crucible

Crucible

Recommended grades:

KBC-14A

Density, g/cm³:

≥1.40

Flexural strength, MPa:

≥120

Compressive strength, MPa:

≥150

Room-temperature thermal conductivity, W/(m·K):

≥20
Insulation Cylinder

Insulation Cylinder

Recommended grades:

KBC-11

Density, g/cm³:

≥1.10

Flexural strength, MPa:

≥80

Coefficient of thermal expansion, 10 -6 /K

≤1.0

Room-temperature thermal conductivity, W/(m·K):

≤10
Outer Guide Tube

Outer Guide Tube

Recommended grades:

KBC-13A

Density, g/cm³:

≥1.35

Flexural strength, MPa:

≥110

Coefficient of thermal expansion, 10 -6 /K

≤1.0

Room-temperature thermal conductivity, W/(m·K):

≤10
Internal Guide Tube

Internal Guide Tube

Recommended grades:

KBC-13A

Density, g/cm³:

≥1.35

Flexural strength, MPa:

≥110

Coefficient of thermal expansion, 10 -6 /K

≤1.0

Room-temperature thermal conductivity, W/(m·K):

≤10
Support rod

Support rod

Recommended grades:

KBC-13B

Density, g/cm³:

≥1.30

Flexural strength, MPa:

≥110

Compressive strength, MPa:

≥160

Room-temperature thermal conductivity, W/(m·K):

≤10
Crucible holder

Crucible holder

Recommended grades:

KBC-13B

Density, g/cm³:

≥1.30

Flexural strength, MPa:

≥110

Compressive strength, MPa:

≥160

Coefficient of thermal expansion, 10 -6 /K

≤1.0

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