检 验 项 目
T e s t I t e m 检 验 标 准
T e s t S t a n d a r d 检 验 结 果
T e s t r e s u l t
直径
(Diameter) 3mm~5mm 合格
(Conform)
粒度合格率
(Qualified size) ≥96% 98%
静态水吸附
(Static Adsorbed Water) ≥20%wt 25%wt
吸附甲醇量
(Adsorption of methanol) ≤140mg/g 122mg/g
堆积密度
(Bulk density) ≥0.7g/ml 1.2g/ml
抗压强度
(Compressive strength) ≥80N 合格
(Conform)
磨耗率
(Abrasion ratio) ≤0.25%wt 合格
(Conform)
包装含水量
(Water content) ≤1.5%wt 合格
(Conform)
结论(Conclusion):符合4A分子筛之规定(The above product complies with 4A)
专业生产4A分子筛
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