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Sanding board

A modern technology industrial company specializing in the research and development, application, design, and production of green and environmentally friendly new material technology, and dedicated to the design and decoration of prefabricated houses. Produce and act as an agent for exporting building materials, mainly using magnesium oxide board as the main raw material. Our main products include substrate boards, decorative boards, flooring, exterior wall hanging boards, and walls.

Category:

Sanding board

key word:

Substrate board

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Product Description

After years of research, adjustment of recipe and reform of technology, we can control the chloride ion content under 3%, completely solve the problem of chloride ion precipitation in MGO board, and solve the corrosion problem of MGO board on metal. The apparent density can be controlled at about 0.7g/cm3. Under the condition that other parameters are qualified after admixture, which greatly reduces the weight of MGO board and the transportation cost. It can be stick EPS, wood skin, aluminum skin, spraying, painting. Our product testing data is much better than the national standard.

Performance parameter
Test items	Detection value	Test basis / instruction
Apparent density	0.85-1.5t / m3	JC688-2006
Moisture content	≦ 8%	JC688-2006
Shrinkage	≦ 0.3%	JC688-2006
Wet expansion	≦ 0.6%	JC688-2006
Nail pull strength	≧ 15N / mm	JC688-2006
Anti-halogen	No drops of water, no return	JC688-2006
Chloride ion content	≦ 10%	JC688-2006
Fire performance	Non-combustible A1	JC688-2006
fire resistance	> 2 hours	Double-sided single-layer 6MM glass magnesium board to form 90MM lightweight partition wall
fire resistance	> 4 hours	Double-sided single-layer 12MM glass magnesium board to form 99MM lightweight partition wall
sound insulation	> 42dB	Double-sided single-layer 9MM fire fear glass magnesium board + 75 keel + 50 rock wool
Flexural strength	> 16Mpa	9mm
Impact strength	> 5.5Kj / M2	9mm
Environmental safety	No radioactive material, no asbestos, no formaldehyde N	GB656-2001 "Limits of reflective nuclide for building materials"
Water proof	No significant wetness or water droplets on the back	CECS95: 97
Alkali resistance	No abnormal appearance	CECS95: 97
Smoke factor	1.8 Ca	CECS95: 97
Thermal conductivity	0.109	Average temperature 30 ± 5 ℃

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