DMD Electrical Insulation Material for 300KV Transformers - 0.15mm to 0.37mm Thickness with 6-18KV Breakdown Voltage
Price:
negotiable
MOQ:
negotiable
Delivery Time:
Negotiable
Brand:
JT
Product Description
DMD Electrical Insulation Material for Transformers
F-grade epoxy prepreg DMD material designed for electrical insulation in 300KV transformers. DMD (Dacron Mylar Dacron) is a three-layer composite consisting of polyester film layers with nonwoven polyester fiber reinforcement.
Key Features & Benefits
- High dielectric strength up to 18KV breakdown voltage
- Excellent thermal stability and moisture resistance
- Superior chemical resistance and mechanical durability
- Strong tensile strength and tear resistance
- No delamination or blistering at 155±2°C for 10 minutes
Technical Specifications
| Parameter | Unit | 0.15mm | 0.17mm | 0.20mm | 0.25mm | 0.32mm | 0.37mm |
|---|---|---|---|---|---|---|---|
| Nominal Weight | g/m² | 140±20 | 190±28 | 225±33 | 300±45 | 350±52 | 425±63 |
| Film Thickness | μm | 50 | 75 | 100 | 150 | 190 | 250 |
| Tensile Strength MD | N/10mm | ≥80 | ≥120 | ≥140 | ≥190 | ≥270 | ≥320 |
| Breakdown Voltage | KV | ≥6 | ≥7 | ≥9 | ≥12 | ≥15 | ≥18 |
Product Applications
Used as insulation between transformer windings to prevent electrical arcing and short circuits. Also serves as slot liner for winding placement insulation in 300KV transformer systems.
Product Images
Packaging
Quality Certification
Frequently Asked Questions
Are you a factory or trading company?
We operate two manufacturing facilities in Hubei and Guangdong provinces, with a trading company based in Guangzhou. Factory visits are welcome.
What is the price of your DMD?
Please provide your specific size requirements for accurate pricing and best value.
What payment terms do you accept?
We accept T/T (Telegraphic Transfer) and L/C (Letter of Credit) at sight for international transactions.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
JIANGTE INSULATION COMPOSITE
Location
RM1204, Greenland Center of Financial City, No.662 Huangpu M Avenue, Tianhe District, Guangzhou, China.
Contact Person
Sales Manager