Audited Supplier
FR4
Insulators, Electrical Base, Shell, Motor, Switch Baseplate
Green
Glass, Fiberglass
20KV~100KV
F 155
Min0.1mm
Max.1220*2040mm
Light Green
130 Degree
Insulation Sheet
Inorganic Insulation
Inorganic Insulation Material
ISO9001
Hjh
HJH
Pallet
Metric Ton
China
3920999090
Product Description
NEMA FR-4
Epoxy Glass Cloth Laminate Sheet
1.DESCRIPTION
FR-4 is created from alkali-free glass cloth that has been impregnated with epoxy resin by hot processing, It has high mechanical and electrical properties, good heat resistance and humidity resistance, so it is widely used in mechanical, electronic and electrical equipment as components of insulation parts.sizes: 1020 X 1220mm/1220 X 2040mm / 1230X2470mm
2.FEATURES
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3.APPLICATIONS
- Sensitive electronic equipment.
- Circuit Board manufacturing.
- Relays and Switches.
- Communication systems.
- Insulators for electrical equipment and appliances.
4. TECHNICAL PARAMETER
| ITEMS | CONDITIONS | TEST METHOD | VALUES |
| Thermic endurance | in transformer oil for 4 hours | IEC 60893-2-7.1 | 130ºC ( B) |
| Martin's Temp. ( perpendicular ) | -- | -- | 200ºC min. |
| Specific weight | 20ºC | IEC 60893-2 | 1.80 - 2.0 g/cm3 |
| Water absorption | 24 h | IEC 60893-2-8.2 | 1.0 mm - 18 mg |
| Flexural strength ( perpendicular ) | 23 ± 2ºC | IEC 60893-2-5.1 | 340 MPa min. |
| 155ºC | 170 MPa min. | ||
| Charpy impact strength ( parallel ) | 23 ± 2ºC | IEC 60893-2-5.4.2 | 33 KJ/m2 min. |
| Izod impact strength ( parallel ) | 23 ± 2ºC | IEC 60893-2-5.4.3 | 34 KJ/m2 min. |
| Electric strength ( perpendicular ) | in transformer oil at 90 ± 2ºC | IEC 60893-2-6.1 | ≤3.0 mm 10.2KV/mm min. |
| Break down voltage ( parallel ) | in transformer oil at 90 ± 2ºC | IEC 60893-2-6.1 | > 3.0mm 35 KV min. |
| Insulating resistances After immersion in water | 23 ± 2ºC | IEC 60893-2-6.3 | 5.0 X 108W min. |
| Flammability | UL94 | IEC 60893-2-7.2 | V-0 |
FAQ
Q: Are you trading company or manufacturer ?
A: Both
Q: How long is your delivery time?
A: Generally it is 3-5 days if the goods are in stock. or it is 5--15days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples ?is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q: What is your terms of payment ? A: Payment<=2000USD, 100% in advance. Payment>=2000USD, 30% T/T in advance ,balance before shipment.
