LOCTITE® STYCAST US 0138

Features and Benefits

LOCTITE STYCAST US 0138, Urethane, Potting and Encapsulating, Extended polybutadiene/MDI base Sealant
LOCTITE® STYCAST US 0138 is an extended polybutadiene/MDI base encapsulant/sealant formulated for potting electronics or devices for protection against environmental hazards. It exhibits very little hardness increase when cooled to -75ºC. Please refer to the TDS for alternate cure schedules.
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Technical Information

Agency approvals / certificates / specifications UL 94V-0
Applications Encapsulating
Cure schedule, Recommended @ 25.0 °C 24.0 - 48.0 hr.
Cure type Room temperature (ambient) cure
Glass transition temperature (Tg) -60.0 °C
Mix ratio, by volume 1 : 4
Mix ratio, by weight 21 : 100
Number of components 2 part
Physical form Liquid
Shelf life 365.0 day
Shore hardness, Shore A 60.0
Storage temperature 25.0 °C
Thermal conductivity 0.569 W/mK
Mixed
Colour, Mixed Black
Viscosity, Mixed @ 25.0 °C 3000.0 mPa·s (cP)
Resin
Colour, Resin Brown
Viscosity, Resin @ 25.0 °C 90.0 mPa·s (cP)
Hardener
Colour, Hardener Black
Viscosity, Hardener @ 25.0 °C 13000.0 mPa·s (cP)