High Quality &Temperature Fr4 Sheet
Product Specifications
| Prod Model: |
MJ-FR4 |
| Markets: |
North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe |
| Size: |
1220X980mm |
| Density: |
1.9g/cm3 |
| Formation Methods: |
High Temperature and High Pressure |
| Tensile Strength: |
300 MPa |
| Samples: |
Free Samples Available |
| Appliction: |
Electrical Insulation |
| Delivery Time: |
7-10 Working Days |
| Customizable: |
Yes |
| Application: |
Motor |
| Type: |
Insulation Film |
| Material: |
Fiberglass |
| Thermal Rating: |
B 130 |
| Maximum Voltage: |
10KV~20KV |
| Brand: |
Mj |
| Chemistry: |
Epoxy |
| Color: |
Light Green |
Product Description
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Features:
Excellent mechanical property
Heat resistance property
Excelletn magnetic permeability
Energy-saving & Environmental protection
Application:
Motor and generator groove strip/slot wedge
Reduce the motor loss, temperature rising, noise and etc | Basic information |
| Product name | Epoxy Fibeglass Insulation Laminate |
| Item No. | MJ-FR4 |
| Brand | MJ |
| Material | Epoxy resin and Alkali free fiberglass cloth |
| Grade | Grade B |
| Feature |
Excellent mechanical & electric property
Good heat & moisture resistance
Easy for processing & machining |
| Application |
| Can be processed into high temperatue insulating structural parts installed in a variety of motors and electrical equipmenst, or processed into motor slot wedges, standard and non-standard shaped parts |
| Technical Performance |
| Density | ≥1.7g/cm 3 |
| Appearance | Natural color Green, surface smoothly without bubble and impurities, no flow marks, Cutting edge without fault and separation |
| Sheets Thickness | 0.1-50mm |
| Size | ≥1220x980mm |
| Formation methods | High temperature and high pressure |
| Thermal stability in 24h | ≥200°C |
| Water absorption | ≤6.5mg |
| Flexural strength perpendicular to lamination | ≥473 Mpa |
| Impact strength | ≥66.3 KJ/m 2 |
| 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) | ≥54.6 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 |
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Packaging Detail:Fr-4 Insulation Laminate Sheet package: Each package is not more than 100KG. Respectively, paper and plastic film cover plate, a paper packaging box, steel strapping / or according to customers' requirements.![]()
Delivery Detail: 7-10 working days.
Our Service:![]()
FAQ:
(1) Can you give me a discount price?
Answer: It is depending on the volume. The larger the volume is, the more discount you can enjoy.
(2) Why is your price a bit higher than other Chinese suppliers?
Answer: To meet the requirement of different customers and areas, our factory manufactures various kinds of quality for each item at a wide range of price. We can offer the products of different quality levels depending on customer's target price and quality requirement.
(3) How can I get a sample?
Answer: Normally small samples (sizes not larger than 300*300mm) can be sent free of charge and customers just need to bear a little shipping charge, or you can provide your DHL, FEDEX, EMS, UPS courier account number to us. For bigger sizes, it depends.
(4) How can you guarantee the quality of mass production is same with the sample sent to me before?
Answer: Our warehouse staff will leave another same sample in our company, with your company name marked on it, which our production will be based on.
(5) How can you deal with quality issues that customer feedback after receiving the goods?
Answer:
1) Customers take photos of unqualified goods and then our sales staff will send them to Engineering Department to verify.
2) If the issue is confirmed, our sales staff will explain the root cause and take corrective actions in coming orders.
3) Finally, we will negotiate with our customers to make some compensation.
Our company is in Xi' An high tech Development Zone, mainly producing magnetic/electrical insulation laminates, slot wedges, thermal expansion materials, insulation varnish, impregnated cloth, insulation tube/sleeve/rod and etc. Our products are widely used in the fields of wind & thermal power, aviation, railway, military power transmission, motors and transformers and etc.
We have experts in R&D group which ensure the continuity and stability of the product quality and cost. The issued testing results apply to domestic and internaltional standards.
Our company covers 5000 square meters with 4 production departments: Magnetic board, Insulating materials, High voltage electrical appliance, CNC and slot wedge processing. WIth more than 50 sets of reactor, gluing machine, large-scale equipment, hot press, high vacuum impregnation and testing equipments, our annual production capacity can totally reach 800 tons.
We are founded in 2006. By 2007-2008, we passed 9001-2000 certification, Xi' An city Science and Technology Bureau identified us as "the city of Xi' An high-tech enterprises".
The spirit of our company is: "Good Reputation, Best Products, Wonderful Services
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