Test or certification item 测试或认证名称: Brightness of pulp, paper, and paperboard(directional reflectance at 457 nm) T 452 om-02 
纸浆，纸张以及纸板的亮度

 

Norm refer 涉及法规: TAPPI

 

Refer products 涉及产品:  纸制品

 

Lead time 周期:  常规服务 regular service 7 工作日 working days （ URGENT service, to be confirm, 加急服务待定 ）

 

Sample size 送样规格:  3pcs finished products 三个成品 

 

Others 其他信息:  

 

Sample report 样本报告：

 

Photo for reference 涉及图片: