0.21mm H-Grade Epoxy Prepreg DMD Electrical Insulation Material for 33KV Transformers
High-performance DMD composite insulation material for 33KV transformers with thickness options from 0.15mm to 0.37mm. Features excellent dielectric strength (6-18KV breakdown voltage), thermal stability at 155°C, and superior mechanical properties. ISO certified manufacturing with two production facilities in China.
SHAP
Grid cloth
Place of Origin
HUBEI, CHINA
Packaging Details
packed with roll
Function of action
insulation
weight
30 kilograms per roll
WIDTH
0.21mm
Product Description
H-Grade Epoxy Prepreg DMD Electrical Insulation Material
High-performance 0.21mm transformer raw material designed for 33KV voltage transformers, providing superior electrical insulation and thermal stability.
Product Overview
DMD (Dacron-Mylar-Dacron) composite material is specifically engineered for transformer applications, offering excellent dielectric strength and mechanical durability.
Available Thickness Options
Multiple standard sizes available to meet various transformer design requirements:
- 0.15mm thickness - 140g/m² nominal weight
- 0.17mm thickness - 190g/m² nominal weight
- 0.20mm thickness - 225g/m² nominal weight
- 0.25mm thickness - 300g/m² nominal weight
- 0.32mm thickness - 350g/m² nominal weight
- 0.37mm thickness - 425g/m² nominal weight
Technical Specifications
| Parameter | Unit | 0.15mm | 0.17mm | 0.20mm | 0.25mm | 0.32mm | 0.37mm |
|---|---|---|---|---|---|---|---|
| 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 |
Performance Characteristics
- Excellent bonding strength with no delamination at room temperature
- Thermal stability at 155±2°C for 10 minutes without delamination, blistering, or drainage
- High elongation properties for mechanical flexibility
- Superior dielectric breakdown voltage ratings
Manufacturing Facilities
We operate two manufacturing plants in China - Hubei province and Guangdong province, ensuring consistent quality and reliable supply.
Packaging & Quality Assurance
Quality Certifications
Our manufacturing processes are ISO certified, guaranteeing consistent quality and performance standards.
Frequently Asked Questions
Are you a factory or trading company?
We are a manufacturer with two factories in China (Hubei and Guangdong provinces) and a trading company in Guangzhou city.
What is the price of your DMD?
Please provide your specific size requirements for accurate pricing information.
What payment terms can you accept?
We accept T/T (Telegraphic Transfer) and L/C at sight (Letter of Credit).
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