This initial step can make all the difference in how smoothly and evenly your paint job turns out! What is 800 grit sandpaper used for? As plastic is relatively soft material, this type of sanding can often easily be done by hand. You should use fine grit sandpaper so that the surface of your plastic item does not become scratched or marred. Sanding your project with 180-220 grit sandpaper will help create a smooth finish that will be easier and more even for the paint to adhere to. So, when you are preparing to paint plastic, it is important to sand the surface first. Working with too much sandpaper on plastic will not only cause hairing but could also result in discoloration and melting of some surfaces leaving them distorted and nonfunctional. When this happens, the outer layer of material melts more quickly than surrounding areas and becomes airborne in tiny fragments which settle around the area as small fibres resembling hair. Haining is caused by an excessive amount of friction and heat being applied to the surface of the plastic. It can also be referred to as thermoplastic re-flow, blemishing, or scratching. This occurs when parts of the plastic split off into strands that look like hair. If too much sanding is done to a plastic object, it can lead to a serious defect called hairing. In addition, water-based paints provide superior coverage compared to other types of paint products which makes them ideal for painting plastic components like bumper covers. Water-based primers are not only good for this purpose but they offer many other advantages too they dont emit harmful fumes and their clean up process is faster and easier than traditional primers. This is due to the fact that water isnt easily absorbed into the plastic, and also because using dissimilar coatings, such as solvent over water, serves as an excellent barrier coat. Many bumper cover manufacturers have found that using a water-based primer is an effective solution to this problem. Sometimes, painting plastic can be a tricky job. It's easy to use and provides excellent coverage so you can trust it will do the job effectively. With its fast dry time, this paint will make sure you get a professional finish without having to wait for too long. It not only restores OEM black finishes, but could also be used on both plastic and metal surfaces. This product is formulated with our trusted stops rust formula that can only be found in Rust-Oleum products. If you're looking to restore your car's trim and bumper surfaces to look like new, Rust-Oleum Trim and Bumper Paint is the perfect solution. What is the best paint for plastic bumpers? Do you need to primer plastic bumper before painting?.How do you sand a plastic bumper for painting?. What is the best paint for plastic bumpers?.
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