Pressboard Processed Parts/Components Pre-compression plate for transformer

DescriptionInsulation Pressboard is a special product based on pure cellulose taken from long-fibred coniferous wood. This is structured into a fibrous tissue without additional adhesive and then pressed. Due to its high chemical purity, pressboard is excellently suited as an insulation material in electric machines, c

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Description
Insulation Pressboard is a special product based on pure cellulose taken from long-fibred coniferous wood. This is structured into a fibrous tissue without additional adhesive and then pressed. Due to its high chemical purity, pressboard is excellently suited as an insulation material in electric machines, capacitors and oil-filled transformers. 100% wood or cotton thick board is characterized by its high density.
Pressboard Processed Parts/Components Pre-Compressed Board for Transformers

Application
Presspaper is used for electrical industrial board for motors, electric device, instruments, swith board, transformer for insulation and assembly pieces under 35kv. 100% wood or cotton thick board is characterized by its high density.
Good mechanical strength, low compression and high electric strength
Size: 0.8-4mmx1mx2m
Color: Brown, red
Package: Pallet
 
Technical Data sheet 
NoIndex nameUnitIndex requirement 
1Thicknessmm0.51.01.52.03.0 
2Thickness tolerance%±7.5±5±5±5±5 
3Apparent densityg/m21.00-1.25 
4Tensile Strength(min)MDN/mm2>110 
CDN/mm2>80
breadth:50
 
5ElongationMD%>7.0 
CD%>9.0
breadth:50
 
6Shrinking rate (max)%length:1.0      breadth:4.0 Thickness:6.0 
7Absorption of oil(min)%>10 
8Electricity strengthIn airKV/mm≥10≥10≥10≥10≥10 
In oil≥40≥30≥25≥25≥25 ±5±5±5
9Moisture content%≤8.0 
10Ash Conent%≤1.0 

Character:

High mechanical and electric strength

Stable density and moisture content

Good elongation

Excellent flexibility


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