Factory wholesale Laminated Flexible Busbar - 3240 Epoxy Phenolic Glass Cloth Base Rigid Laminated Sheet – D&F
Factory wholesale Laminated Flexible Busbar - 3240 Epoxy Phenolic Glass Cloth Base Rigid Laminated Sheet – D&F Detail:
Technical Requirements
1.1 Appearance: the surface of sheet shall be flat and smooth, free of air bubbles, wrinkles or cracks and reasonably free of other small imperfections such as scratches, dents, etc. The edge of sheet shall be tidy and be free of delaminations and cracks. The color shall be substantially uniform, but a few stains are permissible.
1.2 Dimension and allowed tolerance
1.2.1 Width and Length of Sheets
|
Width & Length (mm) |
Tolerance (mm) |
|
＞970～3000 |
+/-25 |
1.2.2 The nominal thickness & tolerance
|
Nominal thickness (mm) |
Tolerance (mm) |
Nominal thickness (mm) |
Tolerance (mm) |
|
0.5 0.6 0.8 1.0 1.2 1.6 2.0 2.5 3.0 4.0 5.0 6.0 8.0 |
+/-0.12 +/-0.13 +/-0.16 +/-0.18 +/-0.20 +/-0.24 +/-0.28 +/-0.33 +/-0.37 +/-0.45 +/-0.52 +/-0.60 +/-0.72 |
10 12 14 16 20 25 30 35 40 45 50 60 80 |
+/-0.82 +/-0.94 +/-1.02 +/-1.12 +/-1.30 +/-1.50 +/-1.70 +/-1.95 +/-2.10 +/-2.30 +/-2.45 +/-2.50 +/-2.80 |
| Remarks: For the non-nominal thickness not listed in this table, the deviation shall be the same as that of the next greater thickness. | |||
1.3 Bending Deflection
|
Thickness (mm) |
Bending Deflection |
|
| 1000mm（Ruler length） (mm) |
500mm（Ruler length）(mm) |
|
|
3.0～6.0 ＞6.0～8.0 ＞8.0 |
≤10 ≤8 ≤6 |
≤2.5 ≤2.0 ≤1.5 |
1.4 Mechanical processing: the sheets shall be free of cracks, delaminations and scraps when such machining as sawing, drilling, lathing and milling is applied
1.5 The physical, mechanical and electrcal properties
|
No. |
Properties |
Unit |
Standard value |
Typical value |
|
1 |
Density |
g/cm3 |
1.7～1.95 |
1.94 |
|
2 |
Water absoprtion (2mm sheet) |
mg |
≤20 |
5.7 |
|
3 |
Flexural strength, perpendicular to laminations |
MPa |
≥340 |
417 |
|
4 |
Impact strength (Charpy, notch) |
kJ/m2 |
≥30 |
50 |
|
5 |
Dielectric dissipation factor 50Hz |
— |
≤5.5 |
4.48 |
|
6 |
Dielectric constant 50Hz |
— |
≤0.04 |
0.02 |
|
7 |
Insulation resistance ( After 24h in water) |
Ω |
≥5.0 x108 |
4.9 x109 |
|
8 |
Dielectric strength, perpendicular to laminationsin transformer oil at 90℃+/-2℃, 1mm sheet |
kV/mm |
≥14.2 |
16.8 |
|
9 |
Breakdown Voltage, parallel to laminationsin transformer oil at 90℃+/-2℃ |
kV |
≥35 |
38 |
Packing, Transportation and Storage
The sheets shall be stored in a place where temperature is no higher than 40℃, and be placed horizontally on a bedplate with a height of 50mm or above. Keep away from fire, heat (heating apparatus) and direct sunshine. The storage life of sheets is 18 months from the date of leaving factory. If the storage duration is over 18 months, the product also could be used after being tested to be qualified.
Remarks and Precautions for Application
A high speed and small cutting depth g shall be applied when machining because of sheets’ weak thermal conductivity.
Machining and cutting this product will release much dust and smoke. Suitable measures should be taken to ensure dust levels are within acceptable limits during operations. Local exhaust ventilation and using the dust/particle masks are advised.
The sheets are subject to moisture after being machined, a coating of insulating vanish is recommended.
Production Equipment
The Package For Laminated Sheets
Product detail pictures:
Related Product Guide:
Assume full duty to satisfy all demands of our clients; reach steady advancements by marketing the development of our purchasers; grow to be the final permanent cooperative partner of clientele and maximize the interests of customers for Factory wholesale Laminated Flexible Busbar - 3240 Epoxy Phenolic Glass Cloth Base Rigid Laminated Sheet – D&F , The product will supply to all over the world, such as: Kuala Lumpur, Algeria, Jordan, Insisting over the high-quality generation line management and prospects guide provider, we have made our resolution to offer our shoppers using the initially stage purchasing and soon after provider working experience. Preserving the prevailing helpful relations with our prospects, we even now innovate our product lists the many time to meet up with the brand new wants and stick to the latest trend of this business in Ahmedabad. We're ready to facial area the difficulties and make the transform to grasp many of the possibilities in international trade.
By Quyen Staten from Estonia - 2018.05.13 17:00
After the signing of the contract, we received satisfactory goods in a short term, this is a commendable manufacturer.
By Rosalind from venezuela - 2017.08.16 13:39
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