Product Introduction:
✱ BZ-3900A/B is widely used in the potting of LED power supplies, high-power electronic components, electronic and electrical modules and circuit boards that require high heat dissipation and temperature resistance.
✱ The product meets the environmental protection requirements of RoHS/Reach and meets the flame retardant requirements of UL-V0 level.
✱ It's addition-curable silicone, can be cured at room temper ature or cured by heating, with good fluidity.
✱ The cured colloid has excellent weather resistance and corrosion resistance, which can ensure the normal use of the lighting in a wide temperature range (-60 ~ 200 ℃).
Basic parameters of the product (non-absolute value, for reference only):
| Indicators | Curing agent 3900 A | Resin agent 3900 B |
| Appearance | Black | Beige |
| Viscosity (CPS) | 2000±500 | 2000±500 |
| Mixed viscosity (CPS) | 2000±300 |
| Density (g/cm³ .25℃) | 1.56±0.05 | 1.56±0.05 |
| Usage ratio (weight ratio) | A:B=1:1 |
| Pot life 100g (min. 25 ℃) | 30±10 |
| Curing conditions | Room temperature curing or heating curing |
| Gel time (min.25 ℃) | 65-85 |
| Color (after curing) | Black |
| Hardness (ShoreA/D) | 50±8A |
| Curing time（23~25℃） | 3-6H |
| Curing time (Heating) | 80 ℃ for 20 minutes |
| Temperature resistance (℃) | -60℃~200℃ |
| Water absorption (24H) | ≤0.5% |
| Anti-UV Grade（GB/T14522-2008） | / |
| Thermal conductivity (W/m.k) | 0.6 |
| Dielectric Strength (kV/mm) | ≥18 |
| Surface Resistivity (Ω/sp) | ≥1.0×1012 |
| Volume resistivity (Ω.cm) | ≥1.0×1012 |
| Flame retardant (UL94) | V0 |
| Dielectric constant (1K Hz) | 4 |
| Tensile strength (MPa) | / |
| Ultimate elongation (%） | / |
| Average coefficient of linear expansion | 195×10-6K-1 |
| Electrification index (CTI) | / |
The online data is for reference only, please contact us to get the latest version, and the official TDS data shall prevail.
