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Performance index of 50 mm thick hand-made rock wool sandwich board for wall


Performance index of 50 mm thick hand-made rock wool sandwich board for wall

According to GB/T 23932-2009 testing standard sandwich slab rock wool board should be

1. Appearance quality: flat surface, no obvious concave and convex, warpage, deformation, clean surface, uniform color, no glue mark, oil stain, no obvious scratch, knock, scratch, etc., straight incision, neat cut surface, no burr, firm bond between surface and core material, compact core material.

2. Dimensional deviation: length plus or minus 5mm, width plus or minus 2mm, thickness plus or minus 2mm, diagonal deviation less than or equal to 6mm

3. Rockwool bulk density: > 120 kg/m3

4. Bond strength: > 0.06 Mpa

5. Peeling property: The bonding area of each peeling surface should be no less than 85%.

6. Flexural Bearing Capacity (> 0.5KN/M2)

Fire resistance of hand-made rock wool sandwich panels in accordance with GB/T9978-2008 testing standard (> 1h)

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