聚苯乙烯户外仿木板材通用技术要求
General technical requirements of polystyrene wood-imitation plastic board for outdoor application
2021-11-26
ASTM D7032-21
Standard Specification for Establishing Performance Ratings for Wood-Plastic Composite and Plastic Lumber Deck Boards, Stair Treads, Guards, and Handrails
确定木塑复合材料和塑料木材甲板板、楼梯踏板、防护装置和扶手性能等级的标准规范