1.1 This practice covers techniques to accelerate weathering effects of factory-coated embossed hardboard using apparatus described in Practice G 90.1.2 This practice is based upon Cycle 1 of Practice G 90 (concentrated natural sunlight with per
ASTM
Standard Practice for Performing Accelerated Outdoor Weathering of Factory- Coated Embossed Hardboard Using Concentrated Natural Sunlight and a Soak-Freeze-Thaw Procedure
STD-50228
2003
2003-10-01
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