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 |
