Insulation pressboard is 100% superior sulfate insulation wood pulp.
Standard: IEC60641-3-1: 1992
Aprrarent Density: 1.0-1.3G
Material: Unbleached sulphate pulp thickness: 0.8-8mm
Size: 1mx2m 2mx4m
Color: Brown
Feature: Good mechanical stength, high electric strength resistance, larger tightness, smaller shrinkage, excellent flatness are the main strong strengths of this product.
It be mainly used in the clapboards of transformers
Product Description
Transformer Insulating Press Paper Board Electrical For Motor
PRODUCTS INFORMATION
- Pressboard nature color / red color
electrical insulation pressboard
1 .Description:
electrical insulation pressboard for transformer is made of high quality insulation press board and the glue on both sides to be inserted in between boardsor the adhesive oppointed by customers by hot press process .The maximum dimension is 950*1950.Since 2006 the press board with the large size of 6000*3000mm has been put into production,we can deliver the large size laminated board now,the maximum the dimension is 3000*2000mm .They have better performance obviously than laminated wood in the mechanical strength and insulation strength.
2.Specifications:
1). nominal thicknesses:1mm-5mm
2).nominal length:1000mm*2000mm
3). Moisture Content :1.2-1.3 g/cm3
3. Color:Natural,red
4. Applications: apply in motor electric equipment with high requirement for mechanical strength ,and can be used in transformer oil
5. character
1 resistant to voltage under 110KV
2 IEC641-3-1 STANDARD
3 good mechanical strength
4 flat and smooth surface
5good tenacity
Be made up of 100% pulp vitriol conifer wood, abided by IEC641-3-1 STANDARD, the RED APRICOT thick insulating paperboard has been titled GOOD QUALITY by the LIGHT INDUSTRY MINISTRY and enter into the DATA OF FAMOUS PRODUCT IN CHINA.
It be mainly used in the clapboards of transformers and other insulating components such as insulation tube. It can also be used as the board in electrical usage, such as high/low switch, and the insulating material of home electrical e
quipment, shoe-making, packing.
| Number |
Index |
Unit |
Standard |
Test Result |
| 1 |
Norminal thickness |
mm |
2 |
2.1 |
| 2 |
Norminal Grammage |
g/cm3 |
1.1-1.25 |
1.14 |
| 3 |
Tensile Strength |
MD
CD |
MPa |
≥105
≥80 |
119
89 |
| 4 |
Elongation |
MD
CD |
% |
≥3.0
≥4.0 |
6.9
5.8 |
| 5 |
Breakdown Voltage |
KV/mm |
≥35 |
39.8 |
| 6 |
PH VALUE |
/ |
6.0-6.9 |
8.0 |
| 7 |
Content of water |
% |
5.0-6.0 |
5.6 |
Audited Supplier 
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