High Quality FR4 Fibre Glass Laminate

FR-4 is also known as fiberglass board; FR4 reinforcing board; FR-4 epoxy resin board; flame retardant insulation board; epoxy board, FR4 light board; epoxy glass cloth board; circuit board drilling pad.

Products description
FR-4 green/yellow/black board is made of imported non-alkali glass fiber cloth impregnated with imported epoxy resin and flame retardant, adhesive, etc. Which by processing under pressure and heat,It’s rigid insulating laminated sheet.

The product has the following characteristics:
1. Rich variety and high accuracy tolerance
2. Excellent flame retardant (UL 94 V-0 Grade)
3. Excellent voltage resistance (electrical strength≥16Kv/mm)
4. Excellent resistance water absorbency (water absorption rate≤0.2%)
5. Excellent heat resistance (Class F)
6. Excellent thermal impact (operating temperature -273 ℃ to +155 ℃)
7. Excellent mechanical strength & Automatic Machining
8, RoHS, Reach certified products


                                                                              FR-4 Laminates Sheet Technical Date sheet

Item

Test method

Unit

Typical Values



Physical
Properties


Color

Visual inspection

--

Light/Green/Yellow

Specific Gravity

IEC 60893-2:2003

g/cm³

1.90-2.15

Water absorption

ISO 62:2008

%

<0.3



Electrical
Proerties


Electric strenght ┴

IEC 60893-2:2003

KV/mm

≥14(3.0mm)

Breakdown Voltage //

IEC 60893-2:2003

KV

≥60

Volume Resistivity

IEC 60893-1980

Ω.m

≥1.0*10¹²

Surface Resistivity

IEC 60893-1980

Ω

≥1.0*1014

(1 MHZ)Dielectric constant

IEC 60893-2:2003

--

4.0-5.5

(1 MHZ)Dissipation Factor

IEC 60893-2:2003

--

0.04-0.05

Proof Tracking Index PTI

IEC 60893-2:2003

V

≥200

Insulation resistance after immersion 24Hrs in Water

IEC 60893-2:2003

Ω

≥5*1010



Mechanical
Properties


Flexural Strength ┴

IEC 60893-2:2003

Mpa

≥340

Charpy Impact strength //

IEC 60893-2:2003

KJ/m2

≥60

Tensile Strength

IEC 60893-2:2003

MPa

≥300

Bond Strength//

IEC 60893-3-4:2003

N

≥8000

Compressive Strength┴

IEC 60893-2:2003

MPa

≥350


Flame
Resistance
Properties


Flame resistance

IEC 60893-2:2003

--

V-0

Temperature Index

IEC 60085:2004

°C

155

Toxicant Content

E662

--

 Low

Others

Acetone Resistance

boiled

Min

30(OK)


Company Profile:

                                                                                         ABOUT US

JY Machinery is one of the leading manufacturers and exporters that undertake the business of high quality laminated insulation materials, with the ability to R&D, production, sales and further processing. The company has passed ISO9001 system standard certifications and has become the experts of the electrical insulation technology solutions, with the professional material background and insulation material processing experience.

                                                          Insulating material processing equipment and workshop


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