Fr4 Epoxy Fiberglass Laminate Sheet/Fr4 for Transformer
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Product Highlights
- Anti-fire Property: Features superior anti-fire properties compared to standard G-10 sheets.
- High Voltage Rating: Capable of withstanding maximum voltage from 20KV to 100KV.
- Customized Sizes Available: Offers flexible sizing options including 1020*2020mm and 1220*2440mm.
- ISO9001 Certified: Manufactured under strict quality control with ISO9001 certification.
- 94V-0 Flammability Rating: Meets high safety standards with 94V-0 flammability classification.
- OEM and ODM Services: Provides full customization from samples, designs, and minor adjustments.
- High Dielectric Strength: Exhibits dielectric strength of at least 14.2 MV/m in transformer oil.
- Comprehensive Quality Control: Includes 100% visual and function inspection for all finished products.
Product Attributes
- Customization
- Available
- Application
- Electrical Power System, Industrial Equipment, Fiberglass
- Color
- Green
- Model NO.
- KLY-FR4
- Material
- Glass
- Maximum Voltage
- 20KV~100KV
- Thermal Rating
- B 130
- Size
- 1020*2020mm 1220*2440mm 1020*1220mm
- Density
- 1.8-2.2g/cm3
- Type
- Insulation Sheet
- Chemistry
- Hybrid Insulation
- Classification
- Hybrid Insulation Materials
- Certification
- ISO9001
- Brand
- Kangliyuan
- Transport Package
- Pallet
- Specification
- 0.1-120mm
- Trademark
- Kang Liyuan
- Origin
- China Mainland
- HS Code
- 392690909
- Production Capacity
- 1000tons/Year
- Package Size
- 110.00cm * 210.00cm * 510.00cm
- Package Gross Weight
- 1525.000kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of Fr4 Epoxy Fiberglass Laminate Sheet/Fr4 for Transformer
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Fr4 Epoxy Fiberglass Laminate Sheet/Fr4 for Transformer -
Fr4 Epoxy Fiberglass Laminate Sheet/Fr4 for Transformer -
Fr4 Epoxy Fiberglass Laminate Sheet/Fr4 for Transformer -
Fr4 Epoxy Fiberglass Laminate Sheet/Fr4 for Transformer -
Fr4 Epoxy Fiberglass Laminate Sheet/Fr4 for Transformer -
Fr4 Epoxy Fiberglass Laminate Sheet/Fr4 for Transformer -
Fr4 Epoxy Fiberglass Laminate Sheet/Fr4 for Transformer
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Product Description
Fr4 Epoxy Glass Laminate sheet/board is similar to G-10 sheet with anti-fire property more, which are electrical alkali-free glass woven fabric base impregnated an epoxy resin binder by processing under pressure and heat.
Specification:
MOQ:1000kg
Standard sizes:
Thickness: 0.1-50mm
Width: 36mm 40mm 48mm
Length: 48mm 80mm 96mm 120mm
Customized sizes are available.
| Item | Unit | Test Condition | Spec | Typical value |
| Density | g/cm3 | ASTMD-792 | 1.9-2.0 | 2.0 |
| Color | -- | A | --- | Light green & yellow |
| Flexural Strength | N/mm2 | LW | ≥415 | 500 |
| CW | ≥345 | 450 | ||
| Volume Resistivity | Mcm | After moisture | ≥106 | 2.0*108 |
| Water Resistivity | % | D-24/23 | ≤0.8 | 0.15 |
| Surface Resistivity | M | After moisture | ≥104 | 2.0*106 |
| Arc Resistance | S | D-48/50+D-0.5/23 | ≥60 | 135 |
| Dielectric Breakdown | Kv | D-48/50+D-0.5/23 | ≥40 | 60 |
| Comparative Tracking Index | V | IEC60112 | 175-250 | 210 |
| Properties | Unit | Value | |
| Flexural Strength perpendicular to laminations | A: under normal conditions | Mpa | ≥340 |
| E-1/15:150±5ºC | - | ||
| Impact Strength parallel to laminations (Charpy) | KJ/m2 | ≥33 | |
| Insulation Resistance after immersion in water (D-24/23) | Ω | ≥5.0×108 | |
| Dielectric strength perpendicular to laminations (in 90±2ºC transformer oil, 1 mm in thickness) |
MV/m | ≥14.2 | |
| Breakdown voltage parallel to laminations (in 90±2ºC transformer oil) |
KV | ≥35 | |
| Permittivity (50Hz) | - | ≤5.5 | |
| Permittivity (1MHz) | - | ≤5.5 | |
| Dissipation Factor (50Hz) | - | ≤0.04 | |
| Dissipation Factor (1MHz) | - | ≤0.04 | |
| Water Absorption (D-24/23, 1.6mm in thickness) | mg | ≤19 | |
| Density | g/cm3 | 1.85 | |
| Flammability | - | 94V-0 | |
| Color | - | Green | |
Product quality: With consistent quality control throughout the entire process of product design and development, material procurement, production, quality inspection, and sales, the company has passed strict quality system certification and has been widely recognized by well-known customers. The company's products have advantages in quality.
Our products all meet the national standard, IEC standard and ISO standard. We have more than 60 national inventions and utility model patents, and the reliable quality of our products and our superb service has received warm praise from our customers!
We take customer satisfaction as our goal, trying our best to be more professional. In line with the principle of "putting customers first and pursuing continuous improvement" ,we will keep innovating and never stop on our way to become a new material supplier of transformer industry at home and abroad.
Our company has won plenty of awards like "Tianjin Quality Trustworthy Team","Tianjin Excellent Quality Management Group","Advanced Enterprise of Tianjin Promoting General Quality Management Team Activities","National Science And Technology Small And Medium-sized Enterprise","2016 National Excellent Quality Management Unit","2017 National Excellent QC Group","National Hi-tech Enterprise" and we are determined to become better.
Customer visit
Q: How you make sure the quality?
a. We will consult on your requirements, and recommend suitable products to you.
b. Before production, we will send samples to you
c. During production, we will always check quality, package, delivery etc.
d. Before package, with QA to check everything
e. After shipment, we will consult with you about satisfaction.
Q: How to make sure the delivery date?
a. Before production, we will see we can meet your time or not.
b. After your payment, we start our preparing material immediately.
c. During production, We will inform you of the production scheduled.
d. Before shipment, we will inform you to pay the balance on time and booking immediately.
About the Supplier
This supplier has been audited by BV. Verify the report on the official BV website with ID "MIC-ASR246721". Items marked "
" are certified.
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Company Profile
Kang Liyuan Science & Technology (Tianjin) Co., Ltd, listed in Tianjin stock market in 2017(stock code: 212039), is a high-tech insulation material enterprise in China. Its predecessor Tianjin Kang LiyuanElectrical Materials Manufacturing Co., Ltd. Was one of the insulation materialprocessing enterprises in North China.
We produce insulation materials for oil-immersed transformers, dry type transformers with professional production machines and manufacturing technique. Our main products are insulation materials and insulation components for oil-immersed transformers from 10KV-220KV.
Our products are widely used in oil immersed transformers, dry type transformers, motors, explosion-proof appliances, as well as complete sets of equipment, high & low voltage electrical appliances and otherelectrical control fields.
The company is a professional manufacturer and an excellent supplierof the amorphous alloy transformer insulation accessories. The frameworks produced have been widely used in SH15 series amorphous alloy transformers. We have a number of production lines for Diamond-dotted papers, Pre-impregnated papers, Crepe papers and Crepe paper tubes. The pre-impregnated papers and struts we produced are used in the domestic transformer industry to the anti-short circuit and high overload distribution transformers. We have become the production base of Japanese MIKI crepe paper tubes in the north and northeast area of China.
Our products all meet the national standard, IEC standard and ISO standard. We have more than 20 national inventions and utility model patents, and the reliable quality of our products and our superb service has received warm praise from our customers!
Our company has won plenty of awards like "Tianjin Quality Trustworthy Team", "Tianjin Excellent Quality Management Group", "Advanced Enterprise of Tianjin Promoting General Quality Management Team Activities", "National Science And Technology Small And Medium-sized Enterprise", "2016 National Excellent Quality Management Unit", "2017 National Excellent QC Group", "National Hi-tech Enterprise"and we are determined to become better.
We take customer satisfaction as our goal, trying our best to be more professional. In line with the principle of "putting customers first and pursuing continuous improvement", we will keep innovating and never stop on our way to become a new material supplier of transformer industry at home and abroad.
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- Beichen District, Tianjin, China
-
Plant Area
- 2300 square meters
-
Number of Employees
- 30
-
Registered Capital
- 30,000,000 RMB
-
Terms of Payment
- LC, T/T, PayPal, D/P, Western Union, Small-amount payment
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays -
Nearest Port
- Tianjin port
-
Minimum Order Quantity
- 1 pcs
-
Supply Chain Partners
- 20
Our Production Capability & Technical Expertise
-
Main Products
- Electrical Laminated Wood, Electrical Pressboard, End Ring, Round Rods, Crepe Paper Tube, Oil Duct Strip, Fibre Glass Tube, Crepepaper Rolling Machine, Phenolic Screw and Nuts, Dimond Dotted Paper
-
Production Lines
- 8
-
Production Machines
- NC cutting machine
-
QA/QC inspectors
- 3 people
-
Inspection Type for Finished Products
- 100% inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Have instructions and uniformly followed
-
Customization Options
- Customization from Samples, Customization from Designs, Full Customization, Minor Customization, Flexible customization
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 2 people
-
Traceability of Raw Materials
- Yes
-
Test Reports for Raw Materials
- Others
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2013-01-21
-
Export Year
- 6 years
-
Main Markets
- Southeast Asia/ Mideast
-
Repeat Buyers Choice
- 50%~80%
-
Number of Foreign Trading Staff
- 2
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- Yes
Our Certifications, Standards & Industry Recognition
-
Management System Certification
- ISO9001:2015, ISO45001:2018, ISO14001
-
Cooperated with Fortune 500
- Yes
FAQ
- How you make sure the quality?
- We consult on your requirements and recommend suitable products. Before production, we send samples. During production, we check quality, package, and delivery. Before package, QA checks everything. After shipment, we consult about satisfaction.
- How to make sure the delivery date?
- Before production, we verify if we can meet your time. After payment, we prepare materials immediately. During production, we inform you of the schedule. Before shipment, we remind you to pay the balance and book immediately.
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