G11-H Epoxy Fiberglass Laminated Sheet
Product Instruction
G11-H materials are the chemical treatment electrical purposed alkali-free fiberglass reinforced laminates,bonded with high TG epoxy resin.It has high mechanical strength under normal temperature , still has strong mechanical strength , good electrical properties under dry and wet environment, can be used in damp environment and transformer oil.It belongs to class H heat resistance insulating material.
Compliance with standards
In accordance with GB/T 1303.4-2009 electrical thermosetting resin industrial hard laminates - Part 4: epoxy resin hard laminates, IEC 60893-3-2-2011 insulating materials - electrical thermosetting resin industrial hard laminates - Part 3-2 of the individual material specification EPGC308.
Application
Suitable for class 180 (H) traction motors, large motors as slot wedges and high-end electrical appliances as heat resistant insulation results,
Product pictures
Main Technical Date(Click here to download the third party test report）
|
Item |
Property |
Unit |
Standard Value |
Typical Value |
Test Method |
|
1 |
Flexural strength perpendicular to laminations(MD,23℃±2℃) |
MPa |
≥380 |
556 |
GB/T 1303.2 |
|
2 |
Flexural strength perpendicular to laminations(MD,180℃±2℃) |
MPa |
≥190 |
298 |
|
|
3 |
Flexural strength perpendicular to laminations(MD,23℃±2℃) |
MPa |
_ |
24252 |
|
|
4 |
Charpy impact strength parallel to laminations(Notched,MD) |
kJ/m2 |
≥37 |
111 |
|
|
5 |
Tensile strength(MD) |
MPa |
≥300 |
557 |
|
|
6 |
Compressive strength perpendicular to laminations(23℃±2℃) |
MPa |
≥380 |
640 |
|
|
7 |
Compressive strength perpendicular to laminations(180℃±2℃) |
MPa |
≥190 |
378 |
|
|
8 |
Electric strength perpendicular to laminations(at 90℃±2℃ in 25# transformer oil,20s step-by-step test,Φ25mm/Φ75mm cylindrical electrode) |
kV/mm |
≥14.2 |
19.2 |
|
|
9 |
Breakdown voltage parallel to laminations(at 90℃±2℃ in 25# transformer oil,20s step-by-step test,Φ130mm/Φ130mm plate electrode) |
kV |
≥45 |
>100 |
|
|
10 |
Relative Permittivity(1MHz) |
_ |
≤5.5 |
5.20 |
|
|
11 |
Dielectric dissipation factor(1MHz) |
_ |
≤0.04 |
0.0102 |
|
|
12 |
Insulation resistance after immersion in water( MD,taper pin electrodes, 25.0mm gap) |
Ω |
≥5.0 x1010 |
2.6x1014 |
|
|
13 |
Water absorption |
mg |
≤22 |
18.00 |
|
|
14 |
Density |
g/cm3 |
1.7-2.0 |
1.98 |
|
|
15 |
Temperature index |
℃ |
_ |
180℃ |
|
|
16 |
TG |
℃ |
_ |
200℃±5℃ |
FAQ
Q1: Are you trading company or manufacturer?
We are the leading manufacturer of electrical insulating composite,We have been engaged in manufacturer thermoset rigid composite since 2003.Our capacity is 6000TONS/year.
Q2: Samples
Samples are free,you only need to pay for the shipping charge.
Q3: How do you guarantee the quality of mass production?
For appearance,size and thickness: we will make full inspection before packing.
For performance quality: We use a fixed formula, and will be regular sampling inspection, we can provide product inspection report before shipment.
Q4: Delivery time
It depends on order quantity.Generally speaking, the delivery time will be 15-20 days.
Q5: Package
We will use professional craft paper to package on plywood pallet.if you have special package requirements, we will pack as your need.
Q6: Payment
TT, 30% T/T in advance ,balance before shipment.We also accept L/C.