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Paint protection film (PPF, also called clear bra, clear film or clear paint film) is a thermoplastic urethane often self-healing film applied to painted surfaces of a new or used car in order to protect the paint from stone chips, bug splatters, and minor abrasions. This film is also used on airplanes, RVs, cell phones, electronics, screens ...
3M made $35.4 billion in total sales in 2021 and ranked number 102 in the Fortune 500 list of the largest United States corporations by total revenue. [10] As of 2021, the company had approximately 95,000 employees and operations in more than 70 countries. [11] There are a few international subsidiaries, such as 3M India, 3M Japan, and 3M Canada.
Basic colorless clear films reject (absorb) some UV radiation up to 380 nm, and depending on the manufacturer, UV inhibitors are added to the polyester, with specialist films offering protection to 400 nm. Tinted films are necessary for protection to 500 nm. [7] Window films filter out over 99% of UV rays at 380 nm, reducing the main factor in ...
3M reformulated Scotchgard and since June 2003 has replaced perfluorooctanesulfonic acid (PFOS) with perfluorobutanesulfonic acid (PFBS). [4] PFBS has a much shorter half-life in people than PFOS (a little over one month vs. 5.4 years). [5] 3M now states that Scotchgard utilizes a proprietary fluorinated urethane. [6]
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The film thickness is selected for level of protection desired and the dimensions of the glass pane. Manufacturers recommend 100 micrometer film (2 ply) for glass up to 3 mm (1/8 in) and 175 micrometer film for glass over 6 mm (1/4 in). These films can be applied for security applications, where a delay of forced entry is desired.
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