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League Sites for Legal DeMarini Baseball Bats and DeMarini Softball Bats
SOFTBALL BATS
Fastpitch Bats and Slowpitch Bats are different and if you should check with your league before buying or using one.
Most leagues will accept an ASA Certified bat since the ASA certification sets strict requirements as far as BPF. Bat Performance Factor (BPF) is determined by firing a ball at a high rate of speed at a stationary bat. If the ball comes off the bat 20% faster than it was fired at the bat, then it exceeds BPF 1.20. The BPF rating system is the standard used by many leagues to determine a standard by which bats are approved or non- approved for that league.
The rating system that developed from the Bat Performance Factor:
98 MPH : Meets ALL Association rules as of today, including the new 2004 ASA Bat Rule. Bats must test lower than 98 MPH to pass the new 2004 ASA bat testing standard and can be stamped with a 2000 or 2004 ASA marking. These bats also meet the 1.20 BPF standard used by the USSSA, NSA, ISF and other associations.
100 MPH : Meets ALL Association rules as of today. Manufacturers stopped production of these models on June 30, 2004. However, players may continue to use these models indefinitely in accordance with ASA?s license agreement with the bat manufacturers. These bats will only be stamped with the ASA 2000 marking. These bats also meet the 1.20 BPF standard used by the USSSA and ISF. Check with the association you play under for specific rulings.
100+ MPH : These bats are not ASA approved. DOES COMPLY with Most Other Major Softball Association Bat Performance Standards in effect as of January 1, - USSSA, NSA, ISA, SSUSA, & ISF. 1.20 BPF Certified. Check with the association you play under for specific rulings.
ASA - Amateur Softball Association approved ASA Bats.
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USSSA - United States Slo-Pitch Softball Association approved USSA Bats.
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NSA - National Softball Association approved NSA Bats.
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SSUSA - Senior Softball USA.
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ISF - International Softball Federation approved Bats.
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ISA - Independent Softball Association approved Equipment and Bats.
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