The TPP rating is the time to incur a second degree burn multiplied by the heat exposure level that the material is exposed. TPP results are typically reported as a rating. The TPP rating is calculated from a mathematical formula that relates the heat transferred through the garment material to the amount of energy that would be required to cause a second degree burn. For example, if a particular fabric has a TPP rating of 35, it takes 17.5 seconds until a second-degree burn occurs in a flashover situation. The TPP rating is divided in half to determine the number of seconds until the human tissue reaches a second-degree burn. TPP ratings are an indication of how long a suit will protect you before you would incur a second degree burn. While racing suits are most commonly identified by their SFI or FIA ratings, the TPP rating is the best measure of a particular racing suits protection level. We recommend that drivers wear one-piece suits, and crewmen can choose from from either type depending upon their responsibities. In addition, you have one or two piece auto racing suits. There are basically two types of auto racing suits: Single Layer Suits and Multi-Layer Suits. Now don’t forget that the best way to keep that new suit clean is with Molecule Wash which is specifically designed for caring for technical fabrics. They are2 of our top of the line SFI-5 suits with the GP Race being a ultra-light 3-layer suit offering superior protection with out the feeling of a bulky suit. Now if you want suit with features like arm gussets and a stretch panel in the back take a look at the Alpinestars GP Race Suit or the Simpson Crossover Racing Suit. If you wanted a suit made with lightweight material such as Nomex or Aramidic fabric the Alpinestars GP Start Suit is a good place to start. Even in the lower priced SFI-5 suits you can still find a suit that has a custom look to it such as the Velocity 5 Multi-Layer Race Suit with its Euro styling it will get you noticed by everyone. The Crow Quilted Two Layer Proban Driving Suit is a very popular choice for any driver looking for an entry level suit. Although what many people don’t realize with new materials like Proban / Pyrovatex you can get yourself into a SFI-5 Multi-layer suit with out destroying your racing budget. We recommend it to drivers looking for an affordable suit since it has an outstanding TPP rating of 10.2. If you are looking to keep your suit cost down your most affordable option is single layer suits which carry an SFI-1 rating. When shopping for a new race suit you want to compare the differences so that you are able to find the best suit that fits your budget.
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