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Glass wool

Glass wool

Glass wool adopts the most advanced centrifugation technique to fiber glass fibrosis, which is made of quartz sand , borax and other raw materials after 1400 ℃ high temperature melting. And then a certain amount of binder is added. Finally, it needs consolidation curing process. Such products has large amount and very thin glass fiber inside. Its total surface area is very large also, so as to strengthen the resistance of the air, making the air unable to flow and eliminating the air convection heat transfer; Similarly, huge friction decays vibration of the sound propagation carriers - air quickly, which ensures glass wool's good thermal insulation and sound absorption effect. It is also good material for sound absorption and noise reduction in steel structure building. 

Main performance: 
1. Good heat insulation performance under high or low temperature conditions. 
2. No burning and produce of harmful gases, identified as "statutory non-combustible material" by countries. 
3. Uniform elastic restoring force. 
4. Low, intermediate and high frequency sound absorption performance, good noise reduction effect. 
5. Small moisture absorption rate in wet or humid conditions. 
6. Small linear expansion coefficient. 
7. Aging rate is low. It can maintain original performance after long-term use. 
8. Good processing performance. 

Heat preservation performance comparison of glass wool with other heat preservation material: 
The following data is thickness comparison of glass wool felt 12kg/m3-50mm with various same heat insulation effect construction materials.
 

 

Glass Wool

Reinforced concrete

Sand masonry adobe

Wood (pine, wood grain)

Flat glass

50mm

1500mm

700mm

180mm

650mm

 
 

Glass wood

Rock wool

Polyurethane

Benzene board

Thermal insulation properties

0.035-0.040w/m.k

0.04-0.45w/m.k

0.035-0.04w/m.k

0.004-0.045w/m.k

Fireproof performance

A class non-combustible, no toxic smoke

A class non-combustible, no poisonous gas

B2, easy to produce toxic smoke

B3, easy to produce poisonous gas

Sound 
absorption performance

Optimal

Optimal

NO

NO

Construction performance

Light weight, easy site operation

Heavy, more dust and complex site operation

Complex site operation

Easy site operation

Chemical 
stability

Stable, anti-aging and corrosion

Stable

not stable, easy aging and corrosion

soluble in ethyl ether, acetone and other organic solvents

Waterproof performance

Good waterproof: after drying, water performance and shape remain unchanged

Poor waterproof, pulverization in water

General waterproof performance

Good waterproof performance

Economic performance

Low cost, good economic performance

Low cost, high economic performance

High cost and high price

High cost and high price

Above data can prove that glass wool far more better thermal insulation performance than other materials. 

Technical parameters 
All kinds of technical parameters of glass cotton products: 
Steel structure with glass cotton JHY - M10.

Basic parameters:

 

Test standard

Technical parameters

Apparent density

GB/T5480.3

≧10kg/m3

Fiber mean diameter

GB/T5480.4 Microscopy way

≦7.6μm

Shot content

GB/T5480.5

0%

Combustion performance

GB/8624 BS476

Grade A level 0 (non-combustible materials)

Hot load thermal shrinkage temperature

GB/T11835-1998

≧250℃

Heat conductivity coefficient

GB/T10294

≦0.058w/m.k (Average test temperature)

Hydrophobic rate

GB/T10299

≧98%


Different thickness heat resistance 

 

Thickness mm

Heat resistance (m2.k/w)

50.0

1.0

75.0

1.3

100.0

1.6

120.0

2.0

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Copyright:佛山市勝邦鋼結(jié)構(gòu)有限公司 Foshan Shengbang Steel Structure Co., Ltd. Record Number:粵ICP備13078463號(hào)
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