Product description：
◎ Glass fiber needled felt is made of felt-like advanced air purification, heat insulation, sound absorption and heat preservation materials after cutting long glass fibers into a certain length and going through the process of yarn splitting, velvet forming and needling.
◎ It is a non-toxic and harmless inorganic material, compared with traditional glass wool, asbestos products, does not contain any binder, does not emit any flavor (that is, never burn, never emit any smoke smell), the unique flexibility is easy to cut, cutting, the operator is not easy to produce poisoning, allergies, is a variety of existing thermal insulation materials in the more characteristic new environmental protection products.
Product characteristics：
◎ Heat resistant high temperature
◎ Good insulation performance
◎ High sound absorption
◎ High exhaust gas purification efficiency
◎ Corrosion resistance
◎ Anti-moth, anti-mildew
◎ Low moisture absorption
◎ Good vibration resistance
◎ Flame retardant
◎ Light weight
Application industry：
◎ Products are widely used in automobile, construction, home appliances, steel, cement, plastics, chemical and other enterprises.
Typical application：
◎ Hot and cold pipe insulation, boiler insulation, entertainment place insulation
◎ Interlayer insulation of aircraft, cars, ships, trucks, etc
◎ Automobile, motorcycle exhaust gas purification, muffler material, muffler system, fire board
◎ Car and train decoration and accessories
◎ Glass fiber refractory thermal insulation cotton, heat insulation blanket (oven), glass fiber thermal insulation cotton (household appliances)
◎ Exterior interior of nautical ships
◎ Thermal insulation of household appliances
◎ Building energy-saving exterior wall interior
◎ Anti-corrosion insulation of oil pipelines and industrial pipelines
◎ Strengthening of plastics, cement, etc
◎ Muffler insulation material for car silencer, exhaust pipe insulation material
◎ Heat insulation material of harvester chimney
Technical index:
| Technical index of glass fiber needle felt | ||
| Sound-absorbing property | Aging resistance | Temperature resistance |
| excellent | excellent | ≤600℃ |
| Pellet content | Fire resistance | Water absorption |
| There is no | Not burn | Not absorb water |
| Thermal insulation property | ||
| temperature（℃） | heat conductivity coefficient 0.03W/(M·K) | |
| 20 | 0.03 | |
| 100 | 0.037 | |
| 200 | 0.048 | |
| 300 | 0.058 | |
| 400 | 0.076 | |
| 500 | 0.094 | |
| 600 | 0.112 | |
| Sound insulation property | ||
| Cycle number（HZ) | Absorption coefficient | |
| 125 | 0.32 | |
| 250 | 0.76 | |
| 500 | 0.94 | |
| 1000 | 0.96 | |
| 2000 | 0.95 | |
| 4000 | 0.98 | |
| density | 110-220Kg/m3，Common density 120-160Kg/m3 The standard medium density tolerance is +15%∽-10% | |
