What does SFI rated mean?
Parts that carry an SFI approval are certified to be safe for racing. This means they are designed and tested to meet certain safety requirements.
How long are SFI ratings good for?
How does Summit Racing handle time-limited SFI parts?
| SFI Inspection/Recertification Period | Summit Racing Shelf Life | Minimum Usable Life of Your Product |
|---|---|---|
| 1 year | 4 months | 8 months |
| 2 years | 4 months | 1 year, 8 months |
| 3 years | 6 months | 2 years, 6 months |
| 5 years | 9 months | 4 years, 3 months |
What does SFI 5 mean?
TPP 80. 40 Seconds. Used for Top Fuel Drag Racing. TPP rating can vary within an SFI Rating, for example SFI 3.2A/5 rated suits (commonly called SFI-5) are available with TPP ratings anywhere from 19 to 26 depending on the number of layers and the fire-retardant material used to construct the suit.
What is SFI approved Flexplate?
2.1 Automatic Transmission Flexplates are circular plates that mount between the engine crankshaft and the automatic transmission converter. For the purposes of this specification, any device used as a flywheel in vehicles with automatic transmissions will be referred to as a flexplate.
How long do fire suits last?
It is created by heating material until it oxidizes and chars, with the finished product able to last for two minutes exposed to fire. It is frequently used for racing undergarments and gloves.
Do racing harnesses expire?
Off-road enthusiasts are told to replace their harnesses every two years. For racing, SFI tags only last two years from the date sold, and need to be replaced if you want to pass tech.
Do race suits go out of date?
The length of time that any item of racewear will be suitable for use in FIA sanctioned competition will be 10 years. So, if your race suit was manufactured in 2019, the expiry date would be the end of 2029.
Do Nomex suits expire?
Protective apparel made of Nomex® is so durable that industrial launderers estimate that it may last for five years and be washed and worn at least 125 times without compromising its protection, shape and professional appearance.
How are auto racing fire suits rated?
The standard spec for racing suits is 3.2A, or 3.2A/1. Superior construction will yield ratings of 3.2A/3, and 3.2A/5. The increasing last digit indicates an increase in the length of time you will be protected by your firesuit before it succumbs to the flames.
How are calories measured in a SFI rating?
SFI Foundation ratings are measured in calories per unit area per time of exposure. In the chart below shows how you can figure a uniform’s approximate protection time until second degree burns by dividing the Thermal Protection Performance (TPP) number by 2.
What’s the SFI rating for a driving suit?
SFI tests a long list of products including gloves, driver suits, neck braces, restraint systems, shoes, underwear and window nets. The SFI specification 3.2A for driver uniforms rates how long a driving suit will offer protection from a second degree burn in an approximation of a fully involved gasoline fire between 1800 and 2100 degrees.
How does the TPP relate to the SFI rating?
The TPP rating is the product of exposure heat flux and exposure time. The TPP results can be converted to the time before a second degree burn occurs. The higher the garment rating, the more time before a second degree burn. Here are the SFI ratings with the corresponding TPP values and times to a second degree burn:
What does SFI stand for in safety category?
“SFI” stood for “SEMA Foundation, Inc.” SFI is now independent from SEMA, although the Foundation has maintained the name SFI Foundation, Inc. The foundation is a non-profit organization funded by the safety equipment manufacturers to ensure that products meet or exceed recommended standards. What is the difference between SFI-1 and SFI-5?