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FD503-TJ20 A/B Two-Component Addition-Cure High Conductivity Thermal Silicone Gel

Double Carbon's FD503-TJ20 A/B is a two-component addition-cure silicone thermal gel (also known as thermal putty) designed for automated EV battery pack gap filling. This TIM offers high thermal conductivity (≥2.0W/m·k), UL94 V-0 flame retardancy, and is specifically formulated for high-speed automated dispensing. It is non-toxic, RoHS compliant.

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FD503-TJ20 A/B Two-Component Addition-Cure High Conductivity Thermal Silicone Gel

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50 ml/kit 400 ml/kit

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Detailed Description Technical Specifications

Product Advantages

  • High Thermal Conductivity: ≥2.0 W/m·K
  • Flame Retardancy: UL94 V-0
  • Regulatory Compliance: Compliant with EU RoHS and REACH
  • Stress-Free Filling: Paste form fills irregular gaps; cures to soft Shore 00 hardness
  • Wide Service Temperature: -40°C to +200°C
  • Broad Substrate Compatibility: Suitable for PC, PP, ABS, PVC, and metals
  • Clean Curing: No by-products released during cure
  • Curing Flexibility: Cures at room temperature; accelerated with heat
  • Shelf Life: 6 months (below 25°C) in original sealed container

Typical Applications

Filling and heat dissipation for gaps between battery cells in new energy vehicle (NEV) battery packs.


Typical Properties

Component A

Component B

Inspection Standard

Before Curing

Appearance

Light red paste

Grayish-white paste

Q/ZS 1-2016

 

Penetration (1/10 mm)

300-360

300-360

Q/ZS 1-2016

Mixing ratio A: B (by weight)

1:1

Q/ZS 1-2016

Working Time at 25°C (min)

10-30

Q/ZS 1-2016

Curing Time at 25°C (h)

1-2

GB/T 531.2

After Curing

 

Hardness (shore 00)

45-65

GB/T 531.2

Thermal conductivity (W/m·K)

≥2.0

ASTM D5470

Dielectric strength (kV/mm)

≥10

GB/T 1695

Volume Resistivity (Ω·cm)

≥1.0 × 1012

GB/T 1692

Dielectric Constant (1MHz)

2.5-3.3

GB/T 1694

Specific Gravity

2.8 ± 0.1

GB/T 13354

Flame retardant grade

UL94V-0

UL94


Test Conditions & Disclaimer

Note: The uncured properties listed above were measured at 25°C. Mechanical and electrical properties were tested after full curing. The data provided are for reference only. The company assumes no liability for any variations caused by different testing conditions, environmental factors, or continuous product improvements.


Need a custom solution? We provide customization services to meet your unique requirements. Get in touch with our team.

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Detailed Description

Product Advantages

  • High Thermal Conductivity: ≥2.0 W/m·K
  • Flame Retardancy: UL94 V-0
  • Regulatory Compliance: Compliant with EU RoHS and REACH
  • Stress-Free Filling: Paste form fills irregular gaps; cures to soft Shore 00 hardness
  • Wide Service Temperature: -40°C to +200°C
  • Broad Substrate Compatibility: Suitable for PC, PP, ABS, PVC, and metals
  • Clean Curing: No by-products released during cure
  • Curing Flexibility: Cures at room temperature; accelerated with heat
  • Shelf Life: 6 months (below 25°C) in original sealed container

Typical Applications

Filling and heat dissipation for gaps between battery cells in new energy vehicle (NEV) battery packs.


Technical Specifications

Typical Properties

Component A

Component B

Inspection Standard

Before Curing

Appearance

Light red paste

Grayish-white paste

Q/ZS 1-2016

 

Penetration (1/10 mm)

300-360

300-360

Q/ZS 1-2016

Mixing ratio A: B (by weight)

1:1

Q/ZS 1-2016

Working Time at 25°C (min)

10-30

Q/ZS 1-2016

Curing Time at 25°C (h)

1-2

GB/T 531.2

After Curing

 

Hardness (shore 00)

45-65

GB/T 531.2

Thermal conductivity (W/m·K)

≥2.0

ASTM D5470

Dielectric strength (kV/mm)

≥10

GB/T 1695

Volume Resistivity (Ω·cm)

≥1.0 × 1012

GB/T 1692

Dielectric Constant (1MHz)

2.5-3.3

GB/T 1694

Specific Gravity

2.8 ± 0.1

GB/T 13354

Flame retardant grade

UL94V-0

UL94


Test Conditions & Disclaimer

Note: The uncured properties listed above were measured at 25°C. Mechanical and electrical properties were tested after full curing. The data provided are for reference only. The company assumes no liability for any variations caused by different testing conditions, environmental factors, or continuous product improvements.


Need a custom solution? We provide customization services to meet your unique requirements. Get in touch with our team.

FD503-TJ20 A/B Two-Component Addition-Cure High Conductivity Thermal Silicone Gel
Double Carbon's FD503-TJ20 A/B is a two-component addition-cure silicone thermal gel (also known as thermal putty) designed for automated EV battery pack gap filling. This TIM offers high thermal conductivity (≥2.0W/m·k), UL94 V-0 flame retardancy, and is specifically formulated for high-speed automated dispensing. It is non-toxic, RoHS compliant.
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Add:2nd Floor, Factory Expansion, No 6, Lvyuan Road, Nanping Science and Technology Industrial Park, Xiangzhou District, Zhuhai City, Guangdong Province, China  

Phone:+86 15820585442

E-mail:dc210003@126.com

 

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