In an application like this, one of the easiest ways to have the tape not stick is simply not applying enough pressure when installing the scrape guard. For example, SLiPLO Universal Bumper Scrape Guard uses 3M adhesive tape to securely affix the guard to your bumper. There are many applications where 3M adhesives may be used. Instead, you will have to seal these surfaces before applying a 3M adhesive to ensure you get a proper bond. If you were to abrade or sand down these porous materials, it does not make it nonporous. Other porous surfaces, such as wood, particle board, and concrete can reduce the efficiency of 3M adhesive for the same reason. This will allow the adhesive to contact the surface smoothly without little air bubbles between the dirt or rust particles. If you need to use a 3M adhesive on a rusty, or heavily dirty surface, you should abrade it first. Surfaces that have a lot of caked on dirt or are rusted can also pose a problem. Instead, you will have to use a degreaser first and then use the solution of water and rubbing alcohol. For example, this solution will not do a good enough job if the surface has heavy oils on it. Some surfaces need more prep than this quick wipe down though. Of course, make sure it is safe for the surface before use. If you are wondering if you should use 3M adhesion promoter or alcohol during preparation, just about any surface can use a good wipe down with a solution of equal parts water and isopropyl alcohol. Like anytime you plan to use a 3M adhesive, no matter if it is a sealant, tacky glue, automotive adhesive, or adhesive tape, you will need to prepare the surface. The following overviews the ways to make 3M adhesive stick better: Proper Surface Preparation Luckily, there are a few easy ways you can bypass problems caused by these situations. For example, working with rusty bumpers, cold temperatures, and unsealed wood surfaces can lead to inadequate bonding. Despite the incredible strength and durability of their adhesives, there are situations where you can take a couple extra steps to get a superior bond. Having been established over a century ago, 3M’s experience shows in the quality and strength of their adhesives.
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