3M™ Bonding Solutions AU - page 35

When bonding metals or glass, the second surface must be porous, such as wood, and some plastics for example. Bonding two non-porous surfaces such as metal and glass can result in incomplete strength build-up.
IMPORTANT NOTE: These tables describe the relative adhesion to the listed surface within the product group, you may need to take into consideration factors such as:
Gap filling, ultimate joint strength, joint flexibility or joint thickness, environmental resistance, small or large surface area coverage, application methods, positioning time or cure time.
Please refer to individual product technical datasheets for more complete details of typical product performance.
The technical information and data on these pages should be considered representative or typical only and should not be used for specification purposes. Refer to Technical Data Sheets for specific perfomance measures and
surface preparation requirements. For further assistance contact 3M.
Final product selection should be made only after evaluation of sample bonds.
Minimum surface preparation for glass is to clean with 3M™ AP-115. Please refer to the 3M™ VHB™ Surface Preparation Guide - adhesion to most surfaces can be improved with some surface preparation.
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Glass & Metal
Glass & Ceramics, Polished Stone – – – – – – – – – – –
Bare Aluminium
Brass/Copper – – – – – – – – – – – –
Bare Steel
Plastic
Low Surface Energy (PP - PS) – – – – – – – – – – –
Medium Surface Energy
(Acrylic - ABS)
High Surface Energy (PC - PU)
FRP
Nylon – – – – – – – – – –
Flexible Vinyl – – – – – – –
Polyurethane Foam – – – – – – – – –
Painted Surface (PU, Acrylic)
Painted Surface (Powdercoat) – – – – – – – – –
Expanded Polystyrene Foam (EPS) – – – – – – – – – –
Rubber
EPDM – – – – – – – – – – – – –
Neoprene , Natural Rubber – –
Santoprene – – – – – – – – – – –
Silicone Rubber – – – – – – – – – – – – – –
Other
Wood
Leather – – –
Fabric – – – – – – –
Paper / Cardboard – – – – – – – – – – – – –
Glass wool Insulation – – – – – – – – – – –
3M™ Scotch-Weld™ Industrial Adhesives and 3M™ Fastbond™ Industrial Adhesives
Best Choice Good Special surface preparation required – Not recommended
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Glass & Metal
Glass & Ceramics, Polished Stone
Bare Aluminium
Brass/Copper
Bare Steel
Plastic
Low Surface Energy (PP - PS) – –
Medium Surface Energy
(Acrylic - ABS) – –
High Surface Energy (PC - PU) – –
FRP – –
Nylon – –
Flexible Vinyl – – – – – – – – – – – – –
Polyurethane Foam – – – – – – – – – – – – – – – – – –
Painted Surface (PU, Acrylic)
Painted Surface (Powdercoat)
Expanded Polystyrene Foam (EPS) – – – – – – – – – – – – – – – – – –
Rubber
EPDM – – – – – – – – – – – – – – – – – –
Neoprene , Natural Rubber – –
Santoprene – – – – – – – – – – – – – – – – – –
Silicone Rubber – – – – – – – – – – – – – – – – – –
Other
Wood – –
Leather – – – – – – – – – – – – – – – – – –
Fabric – – – – – – – – – – – – – – – – – –
Paper / Cardboard – – – – – – – – – – – – – – – – – –
Glass wool Insulation – – – – – – – – – – – – – – – – – –
3M™ VHB™ Tapes Best Choice Good Special surface preparation required – Not recommended
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