HASL Double Sided FR4 Based Multilayer PCB Board
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Basic Infomation
Place of Origin: China
Brand Name: Yizhuo
Certification: UL,CE,ROHS
Model Number: FR4 pcb board 09
High Light:

FR4 Based Multilayer PCB Board


HASL Multilayer PCB Board


Double Sided FR4 Based PCB

Payment & Shipping Terms
Packaging Details: Vacuum Package
Delivery Time: 10-12 work days
Payment Terms: T/T
Supply Ability: 120000 sq.m/per month
Base Material: FR4 PCB Board
Board Thickness: 0.8-4.0 Thickness
Layer: 1-24 Layers
Solder Mask: Green. Red. Blue. White. Black.Yellow
Surface Treatment: OSP ,Immersion Gold, Immersion Tin
PCBA Test: Fly-probe,100% AOI Testing, 100% ET TestingAOI , X-RAY ,ICT And Function Test
Product Description

Electronic circuit board FR4 based multi layer pcb board double sided



FR stands for Fire Retardant. FR4 is a glass fiber epoxy laminate. It is the most commonly used PCB material. A 1.60mm FR4 uses 8 layers of (7628) glass fiber material. The red UL/manufacturers logo is in the middle (layer 4). There are two types of logos: red and blue logos. Red is UL94-V0, blue is UL94-HB.

"FR"  stands for "flame retardant", and does not denote that the material complies with the standard UL94V-0 unless testing is performed to UL 94, Vertical Flame testing in Section 8 at a compliant lab. The designation FR-4 was created by NEMA in 1968.

FR-4 glass epoxy is a popular and versatile high-pressure thermoset plastic laminate grade with good strength to weight ratios. With near zero water absorption, FR-4 is most commonly used as an electrical insulator possessing considerable mechanical strength. The material is known to retain its high mechanical values and electrical insulating qualities in both dry and humid conditions. These attributes, along with good fabrication characteristics, lend utility to this grade for a wide variety of electrical and mechanical applications.


FR4 PCB are the printed circuit boards using FR4 laminates. Most PCBs are made of FR4 (Flame Retardant level 4).


FR-4 Process capability
Craft Ability
Surface Finish
HASL,Immersion Gold,Gold Plating,OSP,Immersion Tin,etc
1-32 layers
Min.Line Width
Min.Line Space
Min.Space between Pad to Pad
Min.Hole Diameter
Min.Bonding Pad Diameter
Max.Proportion of Drilling Hole and Board Thickness
Max.Size of Finish Board
Rang of Finish Board′s Thickness
Min.Thickness of Soldermask
Green,Yellow,Black,White,Red,transparent photosensitive solder mask,Strippable solder mask
Min.Linewidth of Idents
Min.Height of Idents
Color of Silk-screen
Date File Format
Gerber file and Drilling file,Report series,PADS 2000 series,powerpcb series,ODB++
100%E-Test:High Voltage Testing
Material for PCB
High TG Material:High Frequence ROGERS,TEFLON,TADONIC,ARLON(Haloger free Material)
Impedance Testing,Resisitance Testing,Microsection etc
Special Technological Requirement
Blind&Buried Vias and High Thickness Copper


Types of FR4 PCB: 

1. Single side FR4 PCB

The Fr4 single-side printed circuit boards are made of epoxy resin PCB having copper foil on one side, its components are pasted on one side.

2. Double side FR4 PCB

The Fr4 single-side printed circuit boards also are made of epoxy resin PCB having copper foil on one side, but its components are pasted on two sides which give the path of traces to cross each other.

These boards contain copper for conduction.

3. Multiple layers FR4 PCB

The multisided PC board has more than two layers. It contains three layers of material for conduction.

That is pasted in the center of the materials. The core material is laminated together under high pressure and high temperature to produce multilayer PC boards. Components are pasted on both sides of PC boards.

4. Rigid FR4 PCB

In this type of Fr4 PC board, the core materials used are only Fr, so that is why this is called a rigid fr4 printed circuit board.

There are no other materials or impurity added to it it’s a pure circuit, that is why it is rigid for the whole PC board.

5. Rigid-flex FR4 PCB

In this type of PC board, the core material is rigid as well as flexible so they are called rigid-flex Fr4 PC boards.

The flex is due to circuit flexibility. We used thin boards because it is more flexible and more vulnerable to heat.

During soldering, it can be bending to make a desirable angle.

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Shenzhen Yizhuo Electronics Co., Ltd. is a national high-tech enterprise certified to ISO9001: 2015 international quality management system. We have CE, ROHS, UL certification. It was founded in 2012 and factory area consists of more than 6,000 square meters, 131 employees, and two shifts. We have the capability to manufacture aluminum PCBs, FR4 PCBs, LED PCBA, and other related products. We are also providing services like PCB design, PCB assembly, and LED SMT board processing for PCB designing services. The products are widely used in lighting, electronics, communications, automotive and other industries that require heat dissipation. Our professionals work in close association to understand the specific requirements of our clients. In our quality testing unit, we meticulously test each product, thus results in their compliance with international quality standards. We can do ODM or OEM one-stop service for our customers.


We are supported by a ‘state-of-the-art’ infrastructural base and team of enthusiastic and skilled professionals. we have divided our well-developed infrastructural base into various units such as procuring, designing, manufacturing, quality testing, R & D, sales marketing, warehousing packaging, and more. This facilitates us to deliver totally defect free range product to our clients at the leading market prices and equipped with the latest machinery and innovative technology in order to meet the large-scale orders of customers. With a senior management team and R & D design team with an average industry experience of more than 10 years, our products are selling well around the world.

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One stop service:
* PCB & PCBA OEM/ODM Service

* Electronics Circuit board One-stop services

* Two Year Product Warranty

* Products are 100% quality checked in both functionality and cosmetic.




Q1. What service can you supply ?
A: We are OEM PCB and PCBA manufacturer since 2012 ,we can provide one-stop solution including RD PCB fabrication,SMT and assembly PCBA.
Q2. How can I get a sample to check your quality?
A:  After price confirmation,you can place orders for samples for your testing and evaluation.

Q3. Do you have MOQ limited?

A: We don’t have any MOQ limited, the minimum order we accept is 1pcs.

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Get in touch with us
Contact Person : Yolanda Yao
Tel : +8613430550241
Fax : 86-755-33115535
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