Color:AD black/rust

High Quality:

The absorption is very good:0.18%.

acid resistance, abrasion resistance and modulus of rupture are very good. If we can reach an aggrement,we can show you our test reports.

This slate is good quality that passed GB/T 18600-2009, ASTM, BS EN 12326-1-2004. It has following characters

--smooth surface

--nice color

--non-fading

--durable. Our absorption is 0.18%, much lower than GB/T R1 grade 0.25% and ASTM 0.25%. Abrasion resistance is 0.016mm that is much lower than GB/T 0.35mm and ASTM 0.38mm.

Size:

Mackerel scale;

Pentagon;

Tectangle;

425:400mmx250mm

420:400mmx200mm

430:400mmx300mm

specifications that we export most are above.

630:600mmx300mm

520:500mmx200mm

330:300mmx300mm

320:300mmx200mm

Thickness:

4-9mm

Output:

Output is 300,000 square meter high-quality China roofing slate and 100,000 square meter floor slate every year. We plan to take over concession of 10 quarries and expand processing capacity at the same time so that the annual output of high-quality slate can reach 1000,000 square meter in order to meet the needs of international and domestic clients.

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