perforated sound absorbing board

الوصف

I．Standard specifications

1.Dimensions：**5***5mm **3***3mm **5****5mm **3****6mm

2.Thickness：4.**8.0mm

Other specifications which can be consulted with the customers

II．Varity

1.Primary colour board

2.White latex paint surface of acrylic acid

3.Selectable back-sticking non-woven fabrics for dust-proof

4.It can be processed according to the sample of design pattern designated

III．Product data

1.Materials：high quality fiber，cement，quartz sand

2.Proe size:4,5,6,8,*0

3.Perforated rate：2.***0%

4.Specific gravity：1.**1.4g/cm3

5.Moisture content：＜*0%
6.Thermal conductivity：≤0.3W/（m·k）

7.Fire-proof：inconbustibility A class（GB****-A class）

8.Radioactivity：confirming to GB********1 A class