Shanghai Huitian New Material Co., Ltd
Shanghai Huitian New Material Co., Ltd Bond today and future ,with our technology!
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8658G TDS-EN.pdf
8658G Two-Component Polyurethane Thermal Conductive Structural Adhesive
Two-component polyurethane structural bonding adhesive has high bonding strength to aluminum, good toughness, and certain thermal conductivity. With a volume ratio of 1:1, it is easy to use. The product is resistant to low temperature and mildew, non-toxic, and non-corrosive, and has excellent impact resistance and durability.
Additionally, the product does not contain free TDI, and is safe and environmentally friendly.
Product features
Two-component formula, 1:1 volume mixing ratio
High strength, good toughness
Excellent long-term aging performance, long-lasting bonding
High thermal conductivity and low density
Low wear and tear on equipment
Long open time for isocyanate
Typical Applications
Thermal conductive bonding between the battery cell and the module liquid cooling plate
Thermal conductive bonding between the power battery module and the PACK liquid cooling plate
| Product name | 8656 series | 8658 series | 8659 series | 8646 series |
| Product features | High strength, high toughness | Medium thermal conductivity and high strength | Low density, high thermal conductivity | High thermal conductivity |
| Viscosity (mPa ·s) | A:45000 B:38000 | A:90000 B:110000 | A:140000 B:130000 | A:100000 B:60000 |
| Volume ratio | 1:1 | 1:1 | 1:1 | 1:1 |
| Density after mixing (g/cm3) | 1.6 | 1.85 | 2.2 | 2.95 |
| Operating time( min) | 75 | 35 | 35 | 35 |
| Cure type | Room temperature or heating | Room temperature or heating | Room temperature or heating | Room temperature or heating |
| Shear strength (MPa) | 11 | 10 | 8 | 4 |
| Thermal conductivity (W/m · K) | 0.8 | 1.2 | 2.0 | 3.0 |
| Elongation at break (%) | 100 | 35 | 20 | 10 |
| Hardness (Shore D) | 70 | 68 | 70 | 60 |
| Flame retardant class | V-0 | V-0 | V-0 | V-0 |
Directions for use
Clean-up: Clean up the surface to be bonded, making it clean and dry. For surfaces with low surface energy, it is recommended to use Huitian special cleaners;
Gluing: Using glue gun or other application tools to apply the glue. The product can be used after the not well-mixed part at the front end is removed by applying contact pressure and the two components are visually inspected to be well mixed;
Curing: Room temperature curing or heat curing.
Package Specification
400 ml/cartridge; 5 gallons/barrel; 55 gallons/barrel
