OEM/ODM Factory Glass Mat Polyester Rigid Laminate - 3240 Epoxy Phenolic Glass Cloth Base Rigid Laminated Sheet – D&F
OEM/ODM Factory Glass Mat Polyester Rigid Laminate - 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:
As a way to ideal meet up with client's desires, all of our operations are strictly performed in line with our motto "High Top quality, Competitive Cost, Fast Service" for OEM/ODM Factory Glass Mat Polyester Rigid Laminate - 3240 Epoxy Phenolic Glass Cloth Base Rigid Laminated Sheet – D&F , The product will supply to all over the world, such as: Suriname, Tunisia, UAE, We care about every steps of our services, from factory selection, product development & design, price negotiation, inspection, shipping to aftermarket. Now we have implemented a strict and complete quality control system, which ensures that each product can meet quality requirements of customers. Besides, all of our solutions have been strictly inspected before shipment. Your Success, Our Glory: Our aim is to help customers realize their goals. We're making great efforts to achieve this win-win situation and sincerely welcome you to join us.
By Dorothy from Lyon - 2017.05.02 11:33
The factory workers have a good team spirit, so we received high quality products fast, in addition, the price is also appropriate, this is a very good and reliable Chinese manufacturers.
By Barbara from Ottawa - 2018.10.01 14:14
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