6632 Polyester Film /Polyester Fibre Non-woven
Fabric Flexible Laminate (DM)
Standard No.: Q/DJ3-209-2000
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6632 Polyester film /polyester fibre non-woven fabric flexible laminate is a two-layer flexible laminate in which a polyester fibre non-woven (D) is bonded to a polyester film (M) by adhesive with good cohesiveness and consistency.
1 Technical requirements
1.1 General requirements
As per GB 5591.1-1985
1.2 Dimension
Nominal width: 1000mm Nominal weight: 50kg±5kg
The splices should be no more than 4 in one roll.
1.3 Properties requirements
1 Properties are as shown in Form 1
Form 1
|
No. |
Properties |
Units |
Values |
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|
1 |
Nominal thickness |
mm |
0.12 |
0.15 |
0.18 |
0.20 |
0.23 |
0.25 |
0.30 |
0.35 |
0.40 |
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|
2 |
Thickness tolerance |
mm |
±0.020 |
±0.020 |
±0.020 |
±0.030 |
±0.030 |
±0.035 |
±0.040 |
±0.045 |
±0.050 |
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|
31） |
Grammage |
g/m2 |
140±20 |
150±23 |
190±29 |
210±32 |
240±36 |
255±38 |
310±46 |
365±55 |
450±68 |
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|
4 |
Tensile strength |
MD |
No bending |
N/10 mm |
≥80 |
≥90 |
≥100 |
≥130 |
≥160 |
≥180 |
≥200 |
≥240 |
≥280 |
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|
After bending |
≥70 |
≥85 |
≥90 |
≥120 |
≥140 |
≥160 |
≥180 |
≥220 |
≥260 |
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|
TD |
No bending |
≥70 |
≥85 |
≥90 |
≥120 |
≥140 |
≥160 |
≥180 |
≥220 |
≥260 |
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|
After bending |
≥60 |
≥70 |
≥80 |
≥110 |
≥130 |
≥150 |
≥170 |
≥210 |
≥240 |
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|
5 |
Elongation |
MD |
% |
≥8 |
≥10 |
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|
TD |
≥10 |
≥15 |
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|
6 |
Breakdown Voltage (No bending) |
kV |
≥6.0 |
≥7.0 |
≥8.0 |
≥9.0 |
≥10.0 |
≥12.0 |
≥14.0 |
≥16.0 |
≥18.0 |
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7 |
bonding property at room temperature |
- |
No delamination |
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1）： This item is a reference for user and measured values can be provided . |
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2 Testing methods
The properties of Form 1 are as per GB 5591.2-1985
3 Inspection, marks, package, transportation and storage
3.1 Inspection items are as per Clause 1.1, 1.2, and Item 2、4、6、7 in Form 2.
3.2 The other items are as per GB 5591.1-1985.
4 Remarks
This product has excellent mechanical property, dielectric property and heat-resistance. It is suitable for slot insulation, interphase insulation and liner insulation in electric motor and electric apparatus. It is B-class insulating material. Its properties are similar with DMDM, so it is a substitute of DMDM.