Competitive Price for 4mm Fiberglass Sheet - FR4 Matt Black Halogen-Free Glassfiber Laminated Sheet – Xinxing
Competitive Price for 4mm Fiberglass Sheet - FR4 Matt Black Halogen-Free Glassfiber Laminated Sheet – Xinxing Detail:
Product Description
This product was laminated by the high temperature and high pressure with electronic glass fiber cloth impregnated with halogen-free epoxy resin.It with high mechanical properties,dielectric properties and flame retardant properties,it also with good heat resistance and moisture resistance;
Compliance With Standards
In accordance with GB/T 1303.4-2009 electrical thermosetting resin industrial hard laminates – Part 4: epoxy resin hard laminates, IEC 60893-3-2-2011 insulating materials – electrical thermosetting resin industrial hard laminates – Part 3-2 of the individual material specification EPGC202.
Features
1.High mechanical properties;
2.High dielectric properties;
3.Good Mechinability
4.Good moisture resistance;
5.Good heat resistance;
6.Temperature resistance:Grade B,130℃
7.Flame retardant property:UL94 V-0

Application
This product is mainly used as the structure parts for Motor and electrical equipment,including all kinds of switch、electric equipment、FPC reinforcement plate、carbon film printed circuit boards、computer drilling pad、mould and smelting equipment(PCB test flame);and also suitable under wet environment and transformer oil.
Main Performance Index
| NO. | ITEM | UNIT | INDEX VALUE | ||
| 1 | Density | g/cm³ | 1.8-2.0 | ||
| 2 | Water absorption Rate | % | ≤0.5 | ||
| 3 | Vertical bending strength | MPa | ≥340 | ||
| 4 | Vertical compression strength | MPa | ≥350 | ||
| 5 | Parallel impact strength (charpy type-gap) | KJ/m² | ≥37 | ||
| 6 | Parallel shear strength | Mpa | ≥34 | ||
| 7 | Tensile strength | MPa | ≥300 | ||
| 8 | Vertical electric strength (in oil of 90℃±2℃) |
1mm | KV/mm | ≥14.2 | |
| 2mm | ≥11.8 | ||||
| 3mm | ≥10.2 | ||||
| 9 | Parallel breakdown voltage(in oil of 90℃±2℃) | KV | ≥40 | ||
| 10 | Dielectric dissiption factor(50Hz) | - | ≤0.04 | ||
| 11 | Insulation Resistance | Normal | Ω | ≥5.0×1012 | |
| After soaking for 24hours | ≥5.0×1010 | ||||
| 12 | Combustibility(UL-94) | Level | V-0 | ||
Product detail pictures:

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With our excellent management, strong technical capability and strict quality control system, we continue to provide our clients with reliable quality, reasonable prices and excellent services. We aim at becoming one of your most reliable partners and earning your satisfaction for Competitive Price for 4mm Fiberglass Sheet - FR4 Matt Black Halogen-Free Glassfiber Laminated Sheet – Xinxing, The product will supply to all over the world, such as: Hyderabad, Swiss, Mozambique, Our Company has qualified engineers and technical staff to answer your questions about maintenance problems, some common failure. Our product quality assurance, price concessions, any questions about the items, Be sure to feel free to contact us.
Superb technology, perfect after-sales service and efficient work efficiency, we think this is our best choice.




