ASTM E 398返回 Back
Test or certification item 测试或认证名称: 水蒸气透过率
Water Vapor Transmission Rate of Sheet Materials Using Dynamic Relative Humidity Measurement
Water Vapor Transmission Rate of Sheet Materials Using Dynamic Relative Humidity Measurement
Refer products 涉及产品: 防护服
Lead time 周期: 常规服务 regular service 10 工作日 working days （ URGENT service, to be confirm, 加急服务待定 ）
Sample size 送样规格: 30cm x 30cm x pcs per color per material 每种颜色每种材料
Sample for reference 参考图片: 
Sample Report 报告样本：