Bonding Silicone Rubber To Aluminum

The cylinder gets a fastener torqued so this cradle must keep the cylinder from rotating.

Bonding silicone rubber to aluminum.

Gorilla may be ideal for gluing glass to glass but only a few droplets need to be used because it will spread more on two smooth surfaces. Silicone rubber does not inherently bond well to anything there are lots of silicone based lubricants that illustrate the slippery nature of the base material. It can be held in place with a workbench clamp or masking tape to ensure that it does not move. Saturate the silicone rubber surface with an adhesion promoter designed to work with poly s.

Gorilla 5002801 original waterproof polyurethane glue 8 ounce bottle brown pack of 1 4 6 out of 5 stars 2 586 j b weld 31319 rtv silicone sealant and adhesive black 3 oz. Modern adhesive technologies utilize both singleand two coat adhesive formulations with the preference depending upon the service needs of the bonded assembly. Historically several bonding methods have been employed within the rubber industry in an effort to achieve a dependable and durable rubber to metal bond. Has developed a solid expertise when it comes to bonding silicone rubber to aluminum and other substrates.

Trying to stick psa backed silicone sheetto aluminium would produce a good bond but using the same sheet and trying to stick it to teflon the bond would not be very good at all. I have an aluminum cradle with a toggle clamp that holds a cylinder in place. Silicone does not have a problem with sticking to other materials but it is the psa that might. Spray a solvent based activator accelerator aa on either the silicone rubber or metal.

If using a clamp place a thin block of wood on the backside of the aluminum. Works well for bonding rubber as well as plastic metal wood ceramic leather paper and other materials. Bonding silicone rubber isn t easy custom rubber corp. Warm the polypropylene surface with a hair dryer or heat gun.

Rough the silicone rubber and the metal with a low grit coarse sand paper. For bonding epdm sponge rubber or rubber sheeting to most porous surfaces with low soak in our sbr line of industrial adhesives can be used. The thicker formula is easier to control and suitable for vertical surfaces.