marble countertop board

Detailed Product Description

(1) Appearance: High Glossiness, beautiful, luxurious and long-lasting, plane and smooth surface without crackle
(2) Density: 1.85g/cu. Cm. (ASTMD-792A)
(3) Barcol hardness: 82 (ASTMD-2583)
(4) Water absorptivity: 0.013% (ASTMD-570)
(5) Bending strength: 62Mpa
(7) Modulus of bending: 10000Mpa
(8) Impact toughness: 3.6KJ/ cube (GB/T2571)
(9) Average thermal expansion coefficient: 2.1 x 10-5(ASTMD-696)
(10) Resistance to high temperature: No obvious change, no crackle
(11) Fallen ball impact: No crackle, no obvious scratch
(12) Acid, alkali and pollution resistant
(13) Standard specifications: 3, 680 x 760 x 12.3mm, 3070 x760x12.3, thickness is from 6mm to 20mm