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ASTM C1258 - 21a(2026) | 1 Mar 2026 | BSI Knowledge
Standard
ASTM C1258 - 21a(2026)
Standard Test Method for Elevated Temperature and Humidity Resistance of Vapor Retarders for Insulation
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Published:
1 Mar 2026
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ICS Codes
91.100.50 Binders. Sealing materials
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ASTM