PERMABOND® MT3836 Modified MS Polymer

PERMABOND® MT3836 two-part, modified hybrid silane polymer adhesive designed for sealing and bonding applications. It has excellent adhesion to polycarbonate, ABS, Nylon and other plastics as well as a variety of different metals.

FEATURES AND BENEFITS

Adhesion to a wide variety of substrates
Full cure at room temperature
Easy to apply
Good gap fill ability
Excellent thermal conductivity
Designed to meet the requirements of UL94

Typical Physical Properties of Uncured Adhesive

	MT3836A	MT3836B
Chemical Composition	MS resin	Polyol/water
Colour	White	Yellow
Mixed Appearance	Creme
Viscosity @ 25°C	350,000 mPa.s *(cP)*	300,000 mPa.s *(cP)*
Specific Gravity	1.5	1.2

Typical Curing Properties

Mix ratio	2:1 by volume
Maximum gap fill	5 mm *(0.2”)*
Usable / pot life @23°C	5-30 mins
Handling time	2-3 hours
Full cure	>72 hours

Typical Performance of Cured Adhesive

Shear strength after 72 hours (ISO4587)	Stainless Steel: 2-2.5 N/mm² *(290 – 360psi)* ABS: 1.5 N/mm² *(220psi)* Nylon: 1 N/mm² *(145psi)*
Tensile strength after 72 hours (ASTM D 2095)	2 N/mm² *(290psi)*
Peel strength (ISO4578)	50-70 N/25mm *(11-16 PIW)*
Hardness (ISO 868) after 72 hours	60 Shore A
Elongation at break (DIN 53504) after 72 hours	>100%
Shrinkage after 72 hours	0.5%
Thermal conductivity	1.05 W/(m.K)
Coefficient of thermal expansion	110 x 10-6 mm/mm/°C
Dielectric strength	18-20 kV/mm

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