3M Bumpon SJ Series Self-Adhesive Bumpers are pressure sensitive adhesive-backed polyurethane products that can be used as feet, stops, spacers and protectors in many applications. The urethane is a durable, resilient elastomer. The aggressive, high tack pressure sensitive adhesive is protected with a release liner making application fast and easy. The plasticizer-free urethane composition of the bumpons exhibit excellent skid resistance, long aging resiliency (will not crack or harden), abrasion resistance and resistance to marring and staining. Use 3M Bumpons almost anywhere slamming, scratching, nicking, scuffing, marring, sliding, vibration, or noise could be a problem for your product. Uses & Applications • Feet on the bottom of blenders, desk top calculators, electronic cabinetry, telephones, keyboards, foot pedals, scales, clocks, speakers, dispensers and computers.• Stops for cabinet doors, lids and drawers.• Spacers for picture frames to provide alignment; for auto glass as an aid in assembly.• Protectors for stacked glass and metal sheets. The tapered square bumpers are typically used for larger appliances and electronics while the smaller hemisphere and cylindrical shaped bumpons are usually used for phones, speakers and keyboards. The hexagon shaped bumpons are made from soft foam rollstock and are used in woodworking where a softer material is preferred. The quiet bumpons have a hexagonal cone shape and are ideal for use on cabinets and drawer fronts. Adhesive | Description |A-20 | Acrylic, excellent shear strength properties, good on high surface energy substrates like metal, glass and high surface energy plastics. |R-25 | Synthetic Rubber, very high tack adhesive, excellent initial adhesion, works best on low like textured or powder-coated paint and polypropylene. |R-30 | Natural Rubber, high tack, good initial adhesion, also good for low
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