GB/T 5480.4-1985 in English
SUPERSEDEDTest method for the average diameter of fibers constituting mineral wool and its products
- Issued on:1985-10-17
- Implemented on:1986-07-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$175.00
《GB/T 5480.4-1985矿物棉及其制品纤维平均直径试验方法》由609(中国建筑材料联合会)归口。
Scope
This standard includes two methods for determining the average fiber diameter of mineral wool and its products. The microscope method is suitable for mineral wool and its products above 4 μm. The air flow meter method is suitable for rock wool, slag wool and their products with a thickness of 4.0-7.6 μm. During acceptance, if there is any dispute, the microscope method shall be used as the arbitration method.

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