MDTIM 6230 Flame retardant Silicone potting compound

  • Two components plus formed silicone rubber
  • 1:1 mixing ratio
  • Low hardening shrinkage
  • Excellent high temperature electrical insulation and stability
  • Good water and moisture resistance
  • UL V-0,UL No.E538545

 

MDTIM 6230 is a kind of two-component silicone thermal conductivity potting adhesive, white gray black three colors, after mixing has good fluidity, operation time can be adjusted according to temperature, room temperature can be deeply cured, suitable for all kinds of heat and temperature elements potting protection, fully in line with the EU ROHS 2.0 directive and SVHC REACH requirements.

Test items Test Standard Black White Gray
Appearance A Visual Black fluid White fluid Gray fluid
Appearance B Visual Off-white fluid White fluid Off-white fluid
Viscosity A,cps, 25℃ GB/T 2794-2022 2500-4500 3500-4500 2000-4000
Viscosity B,cps, 25℃ GB/T 2794-2022 1500-3500 3500-4500 2000-3500
Mixing viscosity,cps, 25℃ GB/T 2794-2022 2000-4000 3500-4500 2000-3500
Specific gravity, A g/cm3, 25℃ GB/T 13354-1992 1.7±0.05 1.6±0.05 1.63±0.05
Specific gravity, B g/cm3, 25℃ GB/T 13354-1992 1.7±0.05 1.6±0.05 1.63±0.05
Mixing ratio Mass ratio A:B = 100:100
Operation time after mixing, min, 25℃ GB/T 2794-2022 40-70 25-50 40-60
Tack free time after mixing, min, 25℃ GB/T 13477.5-2002 140-220 60-120 ≤300
Curing conditions 25℃/5-8hr or 80℃/ 30mins
Post-cure characteristics
Hardened substance formmaterial Visual Black gray White Grey
Hardness, Shore A GB/T 531.1-2008 55±5 55-65 50-60
Thermal conductivity, W/mK GB/T 10297-2015 0. 75±0.05
Coefficient of linear expansion, K-1, ppm GB/T 1036-2008 230
Dielectric strength,kV/mm,25 ° C GB/T 1695-2005 ≥18
Volume resistance,DC500V, Ω·CM GB/T 1692-2008 1.1×1014
Loss factor (1 MHz) GB/T 1693-2007 0.009
Dielectric constant (1 MHz) GB/T 1693-2007 3.00
Temperature range, ° C GBT 20028-2005 – 60-250
Flame resistance UL-94 V-0
  • Automotive electronics, modules
  • LED power drive module
  • Solar module junction box
  • Electric vehicle charging post module
  • Lithium battery pack, capacitor pack
  • Magnetic induction coil
  • Inverter power supply

Operation and use process

 

  • Before sizing, stir A and B components evenly in their respective packages, because the filler may partially settle during storage.
  • The components A and B are weighed at a ratio of 1:1, mixed evenly, and injected directly into the components (or modules) that need to be filled and protected. It is best to slowly inject along one side of the wall, which can reduce the generation of bubbles.
  • The pot-sealed component is left to stand and let it bubble itself. After the bubble has basically disappeared, it can be heated and cured, or it can be cured directly at room temperature. It takes about 5-8hr.
  • Please consult the Marketing Department of our company for the potting equipment that needs quantitative gluing.

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