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Specially toughened steel and micro-processor controlled heat treatment ensures tough bits with long life
Cutting depth: 150mm
Resists water infiltration
Size: 120L
Final hardening time at 20 °C: 45 minutes in dry substrates
PEX Prime Surface Retarder 20L ww-sh-polishingpads Specially toughened steel and micro-processorPrime Exposure is a water based chemical retarder used to expose the aggregate in horizontal vertical concrete surfaces. It delays the set of the mortar paste on the surface to a controlled depth. It is applied by a pressure spray unit after the concrete has been fresno'd, edged and hand trowel finished and as soon as free bleed water has dried. Prime Exposure does not stop the set of the main concrete. The retarded mortar paste is easily removed by
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