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I use commercial grade silicone rubber gaskets in my pressure transmitters, the application does not require high chemical resistance where you would you flurosilicones.

Skin Contact can be avoided by purchasing a adhesive dispensing system as the adhesive goes where you want it and in the right amount. Parson Adhesives distributes economical adhesive dispensing systems.

It is glad to see this blog, it is good that this very specific information about adhesive surface preparation is now online, nice informative blog, Thanks for share this article.

We want came to know ,chemical compataibility of silicone rubber.

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We are a trailer and truck body manufacturer in North America. The company was using a time-intensive and expensive riveting process to attach the exterior walls of the trailer to its aluminum frame. The three-step process required holes to be drilled into the wall panels for the rivets. Wall panels were then riveted in place and a white plastic rail was installed around the edges of the front and back walls to cover the rivets. This plastic rail was designed to improve the appearance of the front and back walls that are used for advertising space.

The plastic rails did not match the paint job and were easily damaged. The rivets caused the paint to peel and eventually rust and corrode. We were looking for a process that was simpler, less expensive, more attractive and offered long-term performance.

In response, Parson Adhesives provided Partite 9330, a fast-fixturing structural acrylic that offers excellent impact and peel resistance on aluminum. The adhesive completely replaced the rivets on both the front and rear exterior walls, eliminating the plastic rails. Application and assembly were fast and simple. The adhesive was manually applied to the frame using a pneumatic cartridge dispenser. The flat painted panel was then clamped in position, excess adhesive was removed, and the assembly was allowed to cure for two hours. The assembly process was completed in just four hours — down from 5.25 hours — and no additional reinforcements were required.

We tested a fleet of beverage trucks assembled using the structural acrylic adhesive for 18 months. Tests found that the longevity and aesthetics of the painted graphics improved dramatically. By eliminating the rivets and the plastic rail, painted graphics could extend all the way across the panel. Corrosion that once started at the rivets was completely eliminated with the new assembly process.

We are now considering the use of Partite 9330 to assemble the truck body’s aluminum frame in order to reduce difficult and expensive welding requirements. The adhesive is expected to increase the overall structural integrity of the assembly by evenly distributing joint stress.

Very useful! thanks

Thanks for pulling this together and sharing!

We originally used 100 rivets to attach aluminum diamond plates to the steel bodies of our custom service trucks. We switched to an engineered adhesive has helped us reduce our assembly costs. We now use a Parson Adhesive Two Part Acrylic Adhesive that through works oily layers so minimal surface prep is needed before parts are joined.

First clean it with a solvent such as acetone, such as Parson 1122. You can then roughen the surface mechanically with a dry or wet abrasive to increase the adhesion. You can also increase the adhesion chemically by using sulfuric (96%) acid/potassium chromate/distilled water (65/7.5/27.5-pbw) solution at 60°C for 20 min; rinse with tap water followed by distilled water; dry with warm air.

How would you prepare ABS plastic?

As Dr. Timothy Boyle explains, long chain cyanacrylates are also used for skin clousure. They also often times offer less scaring than stitches.

-50 degree Fahrenheit would be about the lowest. Thanks.

How low a temperature do you need? Our Diversified Silicone Products Commerical Grade Silicone Rubber has a temperature range of -80 ºF to +500 ºF. Has higher tensile and resilance than Flurosilicone.

I have a very low temperature applicaction for a gasket that needs to have good mechanical strength. Am I better off with standard commercial silicone or flurosilicone?