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Glass Fiber Needled Mat is made from glass fibers through a needle-punching process. It features a fluffy structure, good tensile strength, breathability, moisture resistance, and non-combustibility. As a core auxiliary material for insulation systems, it is often wrapped around the surface of rock wool boards or pipes to enhance structural stability and provide moisture protection. It is widely used in thermal insulation and fire protection projects for building exterior walls and industrial pipelines.
PRODUCT PROPERTIES | STANDARD | Standard Value | UNITS | |
Standard Value | Test Value | |||
MAIN COMPONENT CHEMICAL ANALYSIS | ||||
SiO2 | GB/T 1549-2008 | 52~56 | 53.74 | % |
Al2O3 | GB/T 1549-2008 | 12~16 | 14.02 | % |
Na2O+K2O | GB/T 1549-2008 | 0~1 | 0.26 | % |
CaO+MgO | GB/T 1549-2008 | 16~31 | —— | % |
B2O3 | GB/T 1549-2008 | 8-13 | —— | |
PHYSICAL PROPERTIES | ||||
Bulk density | —— | custom-made | kg/m3 | |
Shrinkage temp | GB/T 11835-2016 | 710 | ℃ | |
Thermal conductivity（avg 25℃） | GB/T 10295-2008 | 0.031 | W/m.k | |
Thermal conductivity（at 100℃） | GB/T 10295-2008 | 0.037 | W/m.k | |
Thermal conductivity（at 300℃） | GB/T 10295-2008 | 0.058 | W/m.k | |
Thermal conductivity（at 700℃） | GB/T 10295-2008 | 0.16 | W/m.k | |
NRC(Three-layer superposition） | GB/T 18696.2-2002 | 0.65 | —— | |
Combustible content | CB/T 9914.2-2013 | 1.01 | % | |
