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HH-5637
Strong flame retardancy mix addition silicone potting gel with good elasticity after curing
Applied as production-line potting compound to protect electronic components from thermal shock, vibration, moisture, ozone, dust and chemical reagents. Ideal for high-voltage transformers, voltage stabilizers, power converters, charging piles, automotive electronics, new energy power supplies, controllers and LED display modules with high flame retardant & heat dissipation demands.
A:Red B:White
Color
4000–7000
Viscosity(mPa⋅s)
-50-200
Temperature(℃)
Description
SUITIT HH-5637 is a two-component room-temperature vulcanized silicone gel with thermal conductivity of 2 W/m·k, designed for potting and encapsulating electronic devices requiring superior flame retardancy. It adopts convenient 1:1 mixing ratio by weight and volume, featuring low viscosity for easy pouring and filling complex internal structures smoothly.
Features
- Convenient 1:1 mixing ratio by weight and volume, suitable for automatic dispensing equipment and manual operation
- Good flowability to fill intricate structural gaps
- Heating can greatly accelerate curing speed
- High elasticity after curing, no brittleness or powder shedding
- Wide temperature resistance range: -50 ~ 200℃
- Flame retardant performance reaches UL94 V-0 grade
Specification
Uncured Properties
| Test Item | Part A | Part B |
|---|---|---|
| Appearance | Fluid | Fluid |
| Color | Red | White |
| Curing Mechanism | Addition reaction | Addition reaction |
| Specific Gravity (25℃) | 2.75–2.85 g/ml | 2.75–2.85 g/ml |
| Brookfield Viscosity (4# spindle, 20rpm, 25℃) | 4000–7000 mPas | 4000–7000 mPas |
| Volume Mix Ratio | 1 | 1 |
| Weight Mix Ratio | 1 | 1 |
| Working Time (25℃) | 60–120 min | - |
| Mixed Viscosity | 4000–7000 cps | - |
Curing Cycle
- Complete Cure Time at 25℃: 3–6 h
- Accelerated Cure Time at 80℃: 20–30 min
Cured Properties (Cured at 80℃ for 30min)
- Cured Color: Pink
- Hardness (Shore A): 25–45
- Tensile Strength: ≥0.4 MPa
- Elongation at Break: ≥30 %
- Coefficient of Thermal Expansion (CTE): 113 ppm/K
- Dielectric Strength: ≥18 KV/mm
- Dielectric Constant (10KHz): 5.9
- Volume Resistivity: 1×10¹⁴ Ω·cm
- Thermal Conductivity: ≥2.4 W/mk
Storage & Shelf Life
Store in original sealed packaging under ≤25℃. Shelf life: 12 months calculated from production date.
Packaging Specifications
- Component A: 20kg per drum
- Component B: 20kg per drum
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