Silica Fiberglass Needled Felt is made from silica fiberglass chopped strand through needling process.Silica fiberglass randomly distributed in 3-D structure. It has properties of small needing hole and high porosity.
It widely used as filtration and high temperature insulation material in coom,steel,nonferrous metal and chemical industry.It also used as acoustic,insulation,damping and fire resistant material in motorcycle and automobile industry.
Specifications:
|
Product Code |
Thickmess
(mm) |
Width
(cm) |
Weight
(g/m2) |
Breaking strength
(50×100mm） |
Thermal shrinkage
(%) |
SiO2
Content
(%) |
|
warp |
Weft |
|
HI-SNF1/4” |
6.3 7.9 |
91.4 |
890±90 |
≥15 |
≥10 |
≤13 |
≥96 |
|
HI-SNF1/2” |
12.7 15.9 |
91.4 |
2000±200 |
≥40 |
≥20 |
≤13 |
≥96 |
|
HI-SNF 1” |
21-24 |
91.4 |
3600±360 |
≥80 |
≥40 |
≤13 |
≥96 |
Remark：test condition of thermal shrinkage 980℃,30 minutes.
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