Maxtech SI8230 Two-component thermally conductive flame retardant silicone potting compound glue for electronic
∎Product Description
SI8230 is two-component silicone-based thermal conductive potting adhesive. It has a good fluidity after mixing, can vulcanize to a deep layer in room temperature. The operation time can be adjusted according to the temperature. Used to potting protection of varied heat dissipation and temperature resistance components. Fully compliant with RoHS and SVHC REACH standards.
∎Key Features
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Two-part 1:1 mixture addition type silicone adhesive
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Low hardening shrinkage
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Excellent electrical insulation in high temperature and stability
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Good waterproof and moisture resistance
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Excellent flame-resistance, UL No: E340199
Thermally Conductive Potting Compounds for Used for encapsulation of various modules, automotive module, LED Power driver modules, Solar panel junction box
Flame Resistant Adhesives and Potting Compounds
Thermally Conductive Silicone Potting
Thermally Conductive Potting Compounds for Used for encapsulation of various modules, automotive module, LED Power driver modules, Solar panel junction box
∎Typical Applications
●Used for encapsulation of various modules, automotive module, LED Power driver modules, Solar panel junction box, EV charging column module, Lithium battery pack, Capacitor banks, Magnetic induction coils, Power inverters, etc.
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∎Technical Data Table
PROPERTY STANDARD/UNITS VALUE of SI8230
---- ---- PART A PART B
Material ---- Polysiloxane Hydrogen polysiloxane
Color Visual inspection White / black viscous liquid White viscous liquid
Viscosity 25°C, cps 2500±500 2300±500
Density 25°C, g/cm3 1.52±0.03 1.52±0.03
Mixture/mass ratio ---- A:B=100:100
Viscosity of mixture 25°C, cps 2500±500
Operation time 25°C, min 50±10
Tack Free time 23°C, min 90±10
Cure condition ---- 25℃/3-5 hr or 80℃/ 30mins
Cured appearance ---- Gray, white or black elastomer
Hardness Shore00 55±5
Thermal conductivity，W/mK 0. 65±0.03
Linear expansion，K-1，ppm 230
Dielectric strength ,kV/mm, 25℃ ≥15
Volume resistance,DC 500V， Ω·CM 1.1×1015
Loss factor(1 MHz) 0.009
Dielectric constant(1 MHz) 3.00
Application temperature °C -60~260
Flame resistance V-0
Note：All above data were tested under standardized conditions or tested by further experiments.
How to use ?
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Mixing uniformity in the packing before using, as there’s part of filler sedimentation happens during storage.
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Mix Part A and Part B by 1:1 mass ratio, after evenly mixed, pouring directly into the components or modules as per requirements. It’s recommended to slowly pour along the walls of the implements, so as to reduce the bubbles happens.
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Still the potted component to let out the bubbles. Can be cured by heat, about 30 minutes in 80°C. If cured under room temperature, about 4 hours.
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Vacuum defoaming can improve the performance of the cured products.
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Seal the remaining products tightly after use.
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The low temperature will slow the curing speed, overheating will lead to curing speed too fast. Keep a constant temperature in the workshop is recommended.
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It's hard for SI8230 to cure if contact with sulfur, amine, organotin, and unsaturated hydrocarbon plasticizer. Common substances like rosin, natural rubber. For these should do a test before application.
∎Packing Specification
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●SI8230W white thermal conductivity silicone potting sealant，code：A0105012/B0105013
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●SI8230B black thermal conductivity silicone potting sealant，code：A0105028/B0105029
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●SI8230G graythermal conductivity silicone potting sealant，code：A0105080/B0105081
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Part A：20 kg/plastic drum
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Part B：20 kg/plastic drum
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Part A：250 kg/plastic drum
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Plat B：250 kg/plastic drum
∎Transport &Storage
● When stored at or below -5~30°C in the original unopened containers, this product has a usable life of 12 months from the date of production. Sampling test is necessary for products which exceed shelf life before taking use. Beyond this date, Maxtech Chemical no longer guarantees that the products meet sales specifications.
It’s non-dangerous goods, can be transported as normal chemicals, CAUTION leakage during transport.
