Beijing, China
Business Type:
Year of Establishment:
Plant Area:
1900 square meters
Management System Certification:
Average Lead Time:
Peak season lead time: 6-12 months
Off season lead time: one month
OEM/ODM Service
Sample Available

Fr4 Laminate Sheet, Epoxy Glass Frbric Laminate Sheet, Epoxy Glass Cloth Laminate Sheet manufacturer / supplier in China, offering Fr4 Board, Electrical Insulating Laminated Wood Sheet, Thermal Insulation Materials and so on.

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Fr4 Board

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Min. Order: 500 Tons
Port: Tianjin, China
Production Capacity: 100 Ton/Month
Payment Terms: L/C, T/T
Application: Electrical Base, Shell
Type: Insulation Sheet
Chemistry: Organic Insulation
Material: Fiberglass
Thermal Rating: B 130
Maximum Voltage: 20KV~100KV

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Basic Info

Model NO.: FR4
Trademark: Redsun
Transport Package: Carton & Pallet
Specification: NEMA or IEC
Origin: China
HS Code: 3921909010

Product Description

Fr4 Board
Epoxy Glass Fabric Laminate FR4 has high mechanical properties and dielectric properties, good heat resistance and mechanical processing, and low water absorption not easy deformation. Flame-retardant grades of up to UL94V0 level.
Mainly used as electrical insulating structures, PCB drilling bottom backup plate, etc.
Color: Shallow green, yellow
Specifications: 40 " 48", thickness and tolerances according to customer requirements. Thickness range: 0.08-100mm
NO.Test ItemsUnitStandard Data 
TEST Result
1  Outside-< 70< 70 
2Thickness MILCLASS M58.52 -59.54 
3Volume resistanceMΩ . cm≥ 10 65.3*10 6 
4Surface electric strength≥ 10 44.3*10 5 
5Dielectric loss tangent-≤ 5.44.6 
6Well injectivity%≤ 0.80.24 
7Tg Value (DSC)& deg; CTg≥ 130
Δ Tg≤ 5
Tg 1 = 134.40
Δ Tg = 1.40
8Heat Stress- 
288 C put in tin 20' s
No bubble,
  No delamination

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