Electrical Pressboard with High Chemical Purity and Mechanical Strength

Video Description Product Description Product name: electrical pressboard Base materials: sulfate wood pulp of 100% purity Characteristics: high mechanical strength, high compatibility with the transformer oil Application: oil-immersed transformer……

Video Description

Product Description

Product name: electrical pressboard

Base materials: sulfate wood pulp of 100% purity

Characteristics: high mechanical strength, high compatibility with the transformer oil

Application: oil-immersed transformers, electric reactors, capacitors and switches, etc.

Contact Us: serina@ztaero.com

Parameter

Standard:GB/T19264.3-2003 & IEC60641-3-1992
No.   Properties Unit Electrical Paperboard T4 Paperboard
1mm 2mm 3mm 4mm 5mm ≤1.6mm >1.6~3.0mm >3~6.0mm >1.6~8.0mm
Index
1 Thickness & Tolerance % ±7.5 ±5.0 ±7.5 ±5.0
2 Apparent Density g/m2 1.0~1.2 1.0~1.2 1.10~1.25 1.15~1.30 1.20~1.30
3 Moisture Content % ≤8 ≤6.0
4 Water Extraction PH 6.5-8.5
5 Ash Content % ≤1.0
6 Oil Absorbency % ≥10 ≥9
7 Contamination to Transformer Oil No Contamination
8 Tensile Strength MD N/10mm ≥110 ≥105
CD ≥80 ≥85 ≥80 ≥80
9 Elongation MD % ≥7.0 ≥3.0
CD ≥9.0 ≥4.0
10 Shrinkage MD % ≤0.7 ≤0.5
CD ≤1.0 ≤0.7
Thickness ≤5.0 ≤5.0
11 Electric Strength In the Air KV/mm ≥10 ≥11
In the Oil ≥40 ≥30 ≥25 ≥40 ≥35 ≥35

Contact Us: serina@ztaero.com

Packing & Shipping

Contact Us: serina@ztaero.com

Our Factory

Zhongtian Electric Group (ZTelec Group) is located in Xuchang City, Henan Province, which was founded in 1958. It is an influential manufacturer of insulation materials, power transformers and enameled wires in China. With 60-year rich professional production experience, the group now owns 61 national patents; meanwhile it undertakes the program listed in the National Torch Plan and many other key technological and scientific programs on the provincial and municipal level. It has been awarded the honors of “Henan Province High and New Technology Enterprise” and “ One of the 20 Major High and New Technology Enterprises in Xuchang City” and it has been certificated by the ISO9001 quality management system.
In the coming future, ZTelec Group will cooperate with you to create brilliance.

Contact Us: serina@ztaero.com

After-sales Commitment

Our Certification

My dear friends, please feel free to contact us if you are interested in our products. We promise to provide you with top-quality products and the most excellent services! Let’s start our business right now!

Leave a message

Your email address will not be published. Required fields are marked *

Goto Top
ztelec