Quick quotes
  • PCB board length: mm width: mm, Qty: PCS

What is FR-4

FR-4(FR4) PCB board material feature:
FR-4 is a composite material composed of woven fiberglass cloth with an epoxy resin binder that is flame resistant (self-extinguishing). FR-4 is most commonly used as an electrical insulator possessing considerable mechanical strength.
Product and service for FR-4 series:
FR-4 is an important material of our products. Based on FR-4 material, we are able to provide products and services as follows:
  • Single layer PCB
  • Double layer PCB
  • 4 layer PCB
  • 6 layer PCB
  • Multi-layer PCB
  • Min size: 10 mm x 10 mm (± 0.1 mm)
  • Immersion tin/HASL
  • Immersion gold/ENIG
  • Immersion tin/HASL-Free
  • Irregular shaped PCB support
  • Multi-color process OR multi-panel support
  • Max size: 500 mm x 500 mm (± 0.1 mm)
  • Minimum line width and line spacing: 6 mil
  • Minimum drill tools: 0.3 mm
  • Online PCB quote/ instant shipping cost
  • Quick Ordering & Self-Service

FR-1(94V0) materials

FR-1(94V0) PCB board material feature:
FR-1 is single-sided paper phenolic copper clad laminate. The flame retardant standards 94HB, 94V0, etc. DiGPCB use only FR-1(94V0) class phenolic paper material board. "94XX" mean is UL94 plastics flammability standard. Read more UL94 (wiki).
Low cost but with wide range of applications, such as: electronic toys, household appliances, low voltage equipment, control equipment.
Product and service for FR-1(94V0) series:
FR-1(94V0) support only single-sided(layer) process. Based on FR-1(94V0) material, we are able to provide products and services as follows:
  • Single layer PCB
  • Double layer PCB
  • 4 layer PCB
  • Multi-layer PCB
  • Min size: 10 mm x 10 mm (± 0.1 mm)
  • Immersion tin/HASL/HASL-Free/OSP
  • Immersion gold/ENIG
  • Irregular shaped PCB support
  • Multi-color process OR multi-panel support
  • Max size: 500 mm x 500 mm (± 0.1 mm)
  • Minimum line width and line spacing: 6 mil
  • Minimum drill tools: 0.3 mm
  • Online PCB quote/ instant shipping cost
  • Quick Ordering & Self-Service

22F,CEM-1 materials

22F and CEM-1 PCB board material feature:
CEM-1 is single-sided epoxy fiberglass copper clad laminate. The flame retardant standards more than 94V0,non-flammable. DiGPCB use only CEM-1 class epoxy material board.
Low cost but with wide range of applications, such as: electronic toys, household appliances, low voltage equipment, control equipment.
Product and service for CEM-1 series:
CEM-1 support only single-sided(layer) process. Based on CEM-1 material, we are able to provide products and services as follows:
  • Single layer PCB
  • Double layer PCB
  • 4 layer PCB
  • Multi-layer PCB
  • Min size: 10 mm x 10 mm (± 0.1 mm)
  • Immersion tin/HASL/HASL-Free
  • Immersion gold/ENIG
  • Irregular shaped PCB support
  • Multi-color process OR multi-panel support
  • Max size: 500 mm x 500 mm (± 0.1 mm)
  • Minimum line width and line spacing: 6 mil
  • Minimum drill tools: 0.3 mm
  • Online PCB quote/ instant shipping cost
  • Quick Ordering & Self-Service

DiG'PCB technical parameters

DiGPCB use only 94V0, CEM-1 and FR-4 material.
Full range of support PCB sample order, high-volume order production processing.
OSP PCB board process
"OSP" full name is organic solderability preservative. DiGPCB only support the small quantity order requirement for the OSP process.
Sample order
Sample order mean is the quantity less than 100 units(PCS) or total area less than 1 square meter, Otherwise defined as high-volume production.
Quick PCB order
Quick PCB order mean is the quantity less than 50 units(PCS), and confined to use immersion tin process for single layer or 2 layer series PCB /3-4 day.
  • Min Qty: 5 PCS
  • Minimum line width and line spacing: 6 mil
  • Free full DFM design review
  • Self-Service, No privacy leaks
  • Max Qty: Unlimited
  • Minimum drill tools: 0.3 mm
  • Quick Ordering & Self-service
  • No extra cost, Simple steps
  • Online PCB quote/ instant shipping cost
  • Worldwide shipping

Printed circuit board (PCB) material comparison sheet

PCB board material level from low to high divided as follows:

94HB-FR1(94V0)-22F-CEM-1-CEM-3-FR-4  ...

DiGPCB use only FR1(94V0), CEM-1 and FR-4. Detailed parameters and uses are as follows:

  • 94HB: Phenolic paper copper clad laminate, Non-flame retardant cardboard. (most low-grade materials, die punching)
  • FR1(94V0): Phenolic paper copper clad laminate, Flame resistant cardboard,non-flammable. (die punching or mechanical drill, we only mechanical drill)
  • 22F: Single sided glass fiber boards,non-flammable. (mold punching or mechanical drill)
  • CEM-1: Single sided glass fiber boards,non-flammable. (must be mechanical drill, can not die punching)
  • FR-4: glass fiber boards,non-flammable.(must be mechanical drill)

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