Professional production fr4 prepreg

FR-4 is a grade designation assigned to glass-reinforced epoxy laminate sheets, tubes, rods and printed circuit boards (PCB). FR-4 is a composite material composed of woven fiberglass cloth with an epoxy resin binder that is flame resistant (self-extinguishing) Applications:
Widely used as insulating structural parts in electrical & mechanical equipments

 Specifications:

• Material: Fiberglass
• Grade: Grade A
• Size: 1020x1220mm+/-10mm;1220x2440mm+/-10mm
• Thickness:0.1-50mm
• Color: Black / light green / yellow 
•  Appearance: Surface smoothly without bubble and impurities, no flow marks, Cutting edge without fault and separation 
• Technical Data Sheet : 

• Basic information
  Product name	FR4 Epoxy Fibeglass Insulation Laminate
  Material	Epoxy resin and Alkali free fiberglass cloth
  Grade	Grade A
  Technical Performance
  Density	2.1g/cm 3
  Formation methods	High temperature and high pressure
  Thermal stability in 24h	≥200°C
  Water absorption	≤6.5mg
  Flexural strength perpendicular to lamination	≥350 Mpa
  Impact strength parallel to laminations (Charpy)	≥45.3 KJ/m 2
  Laminations (Charpy)                    Dielectric strength perpendicular to laminations (in 90±2°C transformer oil,1mm in thickness)	≥10.7 MV/m
  Breakdown voltage parallel to laminations (in 90±2°C transformer oil)	≥40 KV
  Insulation resistance after impregnated in water	1.5*10 13 Ω
  Dielectric constant (1MHz)	5.14
  Combustibility	HB Class
  Reference Standard	GB/T1303.1-1998

   

Professional production fr4 prepreg

1.We also CNC to your CAD drawing, cut to size with standard tolerance

2.sell full sheets in quantity. This epoxy glass fabric laminated sheets material is also available THINNER and THICKER.

3. we accept a variety of express delivery .

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About our company

Business type: Manufacturer, trading company

Location: HuiZhou, GuangDong

Year Established: 2001

Main products:

Insulation Materials 
Epoxy Sheet and Epoxy Rod, Bakelite Sheet, Phenolic Sheet and Phenolic Rod

Quality

1. your satisfaction is our purpose
2. We think our products will give you an edge over you competitors
3. Quality is the soul of an enterprise
4. With us your money is safe your business in safe

PCB fr4 sheet files requests