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China Supplier Good Quality G11/Fr4/G10/Fr5/3240 Sheet
China Supplier Good Quality G11/Fr4/G10/Fr5/3240 Sheet
China Supplier Good Quality G11/Fr4/G10/Fr5/3240 Sheet
China Supplier Good Quality G11/Fr4/G10/Fr5/3240 Sheet
China Supplier Good Quality G11/Fr4/G10/Fr5/3240 Sheet
China Supplier Good Quality G11/Fr4/G10/Fr5/3240 Sheet

China Supplier Good Quality G11/Fr4/G10/Fr5/3240 Sheet

Min.Order: 500
Product origin: Haikou, Hainan, China
Infringement complaint: complaintComplaint
US$ 3.3 ~ 4.6

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
  • Very low hygrometric susceptibility
  • Workable while cold up to 3mm.
  • Good dielectric properties
  • Higher mechanical properties when cold
  • Small losses at high frequency
  • High resistance to flame ( V-0 )
 
3.APPLICATIONS
  • Sensitive electronic equipment.
  • Circuit Board manufacturing.
  • Relays and Switches.
  • Communication systems.
  • Insulators for electrical equipment and appliances.
4.  TECHNICAL PARAMETER
ITEMSCONDITIONSTEST METHODVALUES
Thermic endurancein transformer oil for 4 hoursIEC 60893-2-7.1130ºC ( B)
Martin's Temp.
( perpendicular )		----200ºC min.
Specific weight20ºCIEC 60893-21.80 - 2.0 g/cm3
Water absorption24 hIEC 60893-2-8.21.0 mm - 18 mg
Flexural strength
( perpendicular )		23 ± 2ºCIEC 60893-2-5.1340 MPa min.
155ºC170 MPa min.
Charpy impact strength
( parallel )		23 ± 2ºCIEC 60893-2-5.4.233 KJ/m2 min.
Izod impact strength
( parallel )		23 ± 2ºCIEC 60893-2-5.4.334 KJ/m2 min.
Electric strength
( perpendicular )		in transformer oil at 90 ± 2ºCIEC 60893-2-6.1≤3.0 mm  10.2KV/mm min.
Break down voltage
( parallel )		in transformer oil at 90 ± 2ºCIEC 60893-2-6.1> 3.0mm  35 KV min.
Insulating resistances
After immersion in water		23 ± 2ºCIEC 60893-2-6.35.0 X 108W min.
FlammabilityUL94IEC 60893-2-7.2V-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.
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