Cretex now offers SQUARE and RECTANGULAR PRO-RING™. Manufactured from the engineered polymer, expanded polypropylene (EPP), these rings meet the AASHTO HS-25 requirements. EPP is renowned for its exceptional strength to weight ratio, chemical resistance, durability and long service life. PRO-RING™ is approximately 1/20th the weight of concrete grade rings, which makes them easier to handle, safer and reduces the risk of worker injury.
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