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木塑复合材料铺板及护栏系统检测

发布日期: 2024-06-21 17:34:53 - 更新时间:2024年06月29日 15:22

木塑复合材料铺板及护栏系统检测项目报价?  解决方案?  检测周期?  样品要求?

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GB/T 29365-2012塑木复合材料 人工气候老化试验方法

本标准规足了塑木复合材料的人工气候老化试验方法。本标准适用于塑木复合材料在氙灯及荧光紫外灯为光源的人工气候老化箱中进行的老化试验。使用本标准规定方法所得实验结果,不能用于直接推断材料的使用寿命。

ASTM D7032-2010a木塑复合材料铺板及护栏系统(防护装置或扶手)性能等级标准规范

1.1 This specification covers the procedures to establish a performance rating for wood-plastic composite (WPC) deck boards. This specification also defines the procedures to establish a performance rating for WPC guards and handrails. The purpose of this specification is to establish the basis for code recognition of these products or systems in exterior applications where combustible construction is allowed (see X1.1). Note 18212;While WPCs may contain wood fiber, the presence of wood fiber in the composite is not required by this standard. Other lignocellulosic materials may be used. For WPC deck boards and guardrail systems evaluated according to this standard, the structural, physical, and fire attributes may or may not exhibit similarity to those of wood due to the presence, type, and quantity of plastic(s) in the composite. WPCs should not be assumed to behave similarly to wood. For example, to address the influence of plastic in the composite, special considerations in the standard address sensitivity to temperature, ultraviolet (UV) exposure, and freeze-thaw resistance. 1.2 Deck boards, guards, and handrails covered by this specification are permitted to be of any code compliant shape and thickness (solid or non-solid). Note 28212;While WPCs are produced in a broad range of ratios of fiber to resin it is recognized that the performance requirements in this specification are valid for any material or combination of materials used as deck boards, guards, or handrails. For products made primarily from resin, or for products that exhibit highly plastic properties (for example, more than 3 % strain without rupture in a standard flexural test under ambient conditions), users are directed to Specification D6662 for additional guidance. 1.3 A deck board, and a deck board used as a stair tread, are assigned a span rating indicating its ability to comply with model code specified functions identified for its specific end use. A guard or handrail is recognized for its ability to meet minimum code requirements specified in the appropriate model building code. 1.4 Details of manufacturing processes may be proprietary and are beyond the scope of this specification.

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