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1. Function introduction Double-group silicone thermal conduction potting material is a kind of thermal insulation material, which requires no heat release, no corrosion and low shrinkage when it is cured. It is suitable for various heat conduction sealing and pouring of electronic components and forms thermal insulation system.
2. Material introduction
The main features are as follows:
1) Curing at room temperature, heating quickly, easy to use;
2) Maintain rubber elasticity over a wide temperature range (-60°C-250°C), excellent electrical properties, very low dielectric constant and dielectric loss, and good thermal conductivity;
3) Waterproof, moisture-proof, chemical resistant, weather resistant for more than 25 years;
4) Good adhesion to most plastics, rubbers, nylons and polyphenylene ether PPOs;
5) Conform to EU ROHS environmental protection directives.
3. use
Solar Junction Box (Junction Box), especially for waterproof and heat-conducting electrical and electronic products.
4. Quality requirements and incoming inspections:
1) Before curing: Check the appearance, it should be a white fluid; A, B group viscosity is suitable, (A group 5000 ~ 15000cps, group B viscosity 50 ~ 100cps)
2) Operational performance: After mixing viscosity (cps), operating time 20 ~ 60 minutes, initial curing time 3 ~ 5 h, complete curing time does not exceed 24h;
3) After curing: hardness 25 to 35 (Shore A); thermal conductivity ≥ 0.3 [w (m · k)]; dielectric strength ≥ 20 kV/mm; dielectric constant (1.2 MHz) 3.0 to 3.3; volume resistivity ≥ 1.0×1016Ω·cm; linear expansion coefficient ≤2.2×10-4 m/(m·k); flame retardancy 94-VO.
5. Precautions 1) The rubber should be sealed and stored. The mixed compound should be used up once to avoid wastage.
2) The product is a non-dangerous product, but it should not be inhaled or in eyes. It can be transported as a general chemical.
6. testing regulations
According to the manufacturer's factory lot number for sample sampling, the contents of the fourth chapter of the full inspection, one does not meet the inspection requirements, the batch number of products for the full inspection, if there are still not meet Chapter 4 2) 3) related inspection requirements, determine the batch Times for unqualified incoming materials.
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