群青

群青

型號︰-

品牌︰SUN

原產地︰中國

單價︰-

最少訂量︰-

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產品規格︰ Molecular formula: Na2Al4Si6S4O20
Items: Grade 462
Shade (compared with the standard sample):same as the standard sample
Tinting Strength % (compared with the standard Sample):same as the standard sample ±5%
Water Soluble Matter:1.0 % Max.
Free Sulphur:0.3 % Max.
Moisture (105±2℃): 1.0% Max.
Residue (325 holes Mesh):0.5% Max.