347-H Epoxy Fiberglass Laminated Sheet
Product Instruction
This product is made with the electrician non-alkali glass fiber cloth as the backing material, with high TG Benzoxazine resin as binder via hot pressing laminated under 180 degree temperature.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 grade F heat resistance insulating material.
Application
Applicable to all kinds of motor, electrical, electronic and other fields, widely used in motor, electrical equipment as insulation structure parts, high voltage switchgear, high voltage switch (such as motor stator insulation materials at both ends, rotor end plate rotor flange piece, slot wedge, wiring plate, etc.).
Product pictures
Main Technical Date
|
Item |
Property |
Unit |
Standard Value |
Typical Value |
Test Method |
|
1 |
Flexural strength perpendicular to laminations |
MPa |
≥380 |
465 |
GB/T 1303.2 |
|
2 |
Flexural strength perpendicular to laminations |
MPa |
≥190 |
345 |
|
|
3 |
Tensile strength |
MPa |
≥300 |
429 |
|
|
4 |
Charpy impact strength parallel to laminations (Notched) |
kJ/m2 |
≥33 |
125 |
|
|
5 |
Electric strength perpendicular to laminations (at 90℃±2℃ in oil ),1mm in thickness |
kV/mm |
≥14.2 |
23 |
|
|
6 |
Breakdown voltage parallel to laminations(at 90℃±2℃ in oil) |
kV |
≥35 |
≥50 |
|
|
7 |
Insulation resistance(after 24h immersion in water) |
MΩ |
≥5.0×104 |
1.7×106 |
|
|
8 |
Relative Permittivity(50Hz) |
- |
≤5.5 |
4.8 |
|
|
9 |
Water absorption,3mm in thickness |
mg |
≤22 |
17 |
|
|
10 |
Density |
g/cm3 |
1.80～2.0 |
1.89 |
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.