Smooth Surface Wood Laminated Sheet with Good Price

Product Description Spinning cutting from excellent birch veneer into veneer sheets, drying and laminating and hot pressing. Has the advantages of moderate density, high mechanical strength, easy vacuum drying, easy machining, the dielectric consta……

Product Description

Spinning cutting from excellent birch veneer into veneer sheets, drying and laminating and hot pressing. Has the advantages of moderate density, high mechanical strength, easy vacuum drying, easy machining, the dielectric constant close to the transformer oil, insulation cooperating reasonable,can be used in transformer oil for long. It can be used for the production of coil plate, core pad, lead bracket and other insulation / support components in transformers or mutual inductor.

Product Parameter

NO. Item Unit Value
DLW101 DLW201 DLW202 DLW301
1 Appearance Surface smooth, edge cutting neat, cross-section without delamination
2 Density g/m³ 1.2-1.3 1.1-1.2 1.1-1.2 1.0-1.1
3 Vertical layer

bending strength

A direction MPa ≥80 ≥65 ≥65 ≥55
B direction ≥80 ≥65 ≥65 ≥55
4 Impact strength A direction KJ/m2 ≥15 ≥13 ≥13 ≥10
B direction ≥15 ≥13 ≥13 ≥10
5 Interlayer shear strength MPa ≥9 ≥8 ≥8 ≥7
6 Vertical layer electrical

strength(90℃ transformer oil)

Kv/mm ≥9 ≥8 ≥7 ≥7
7 Parallel layer breakdown

voltage (90℃ transformer oil)

kv ≥50 ≥50 ≥50 ≥50
8 Pollution to

liquid dielectric

≤0.1
9 Shrinkage after drying A direction % ≤0.3 ≤0.3 ≤0.3 ≤0.3
B direction ≤0.3 ≤0.3 ≤0.3 ≤0.3
Thickness direction ≤3 ≤3 ≤3 ≤3
10 Water content % ≤6 ≤6 ≤6 ≤6
11 Oil absorption % ≥5 ≥8 ≥8 ≥10
Laminate wood insulating parts in transformer using range advice Transformer rating No less than 110KV No higher than 110KV 66-35KV No higher than 35KV

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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.

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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!

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