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4in (101.6mm) Neoprene Pads are available in 50, 60, or 70 durometers for compressive strength testing of concrete cylinders, and meet requirements of ASTM C1231 and AASHTO T 22. Pads are sold singly or in packs of 12. Steel Retaining Rings are required and are listed separately.
HM-361 60 Durometer Pads are suitable for testing concrete strengths from 2,500-7,000psi (17-50mPa).
HM-362 70 Durometer Pads are suitable for testing concrete strengths from 4,000-7,000psi (28-50mPa) as received. With further qualification testing by user, they can be used to test concrete with strengths from 7,000 to 12,000psi (50 to 80mPa).
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