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Grout Capping Compression Pads are square neoprene pads used with Grout Prism Steel Retainers for compressive strength testing of masonry grout specimens. The neoprene pads are manufactured to the same shore durometer hardness tolerances as specified in ASTM C1231 and AASHTO T 22, and compression strength data between unbonded and bonded grout specimens shows a good correlation. Each compression pad can be reused for multiple tests. Sold in packages of ten. Choose from 50, 60, or 70 durometer pads.
HMA-465 Capping Pads are used for strengths from 1,500 to 6,000psi (10 to 40mPa) with a 50 durometer.
HMA-466 Capping Pads are used for strengths from 2,500 to 7,000psi (17 to 50mPa) with a 60 durometer.
HMA-467 Capping Pads are used for strengths from 4,000 to 7,000psi (28 to 50mPa) with a 70 durometer.
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