Redefining the Global Standard for Electrical Insulation
Aramid insulation paper for systems that cannot fail
As a leading innovator in paper-based insulation technology, we're dedicated to pushing the boundaries of material science, delivering world-class Aramid Insulation Paper Solutions for safeguarding various critical electrical systems!
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Trusted by leading manufacturers worldwide
Product Portfolio
Six grades, one material science platform
From flexible slot liners to rigid insulation board, our product range covers the full electrical insulation envelope from 180 °C to 240 °C operating temperatures.
A716 Flexible Insulation Paper
Excellent adhesion with binders. Ideal for manufacturing soft composite insulation materials and flexible laminates.
- Class H · 180°C
- Thickness: 0.05 – 0.30 mm
- Density: 0.72 g/cm³
- Dielectric strength: ≥ 18 kV/mm
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A736 Aramid Insulation Paper
Optimal balance of price and performance. Strong resistance to short-term thermal overloads.
- Class H · 180°C
- Thickness: 0.05 – 0.51 mm
- Density: 0.85 g/cm
- Dielectric strength: ≥ 22 kV/mm
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A766 Aramid Insulation Paper
Engineered for maximum reliability in H and C class insulation systems operating continuously at 200°C.
- Class C · 200°C+
- Thickness: 0.08 – 0.51 mm
- Density: 0.92 g/cm³
- Dielectric strength: ≥ 25 kV/mm
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A786 Aramid Insulation Paper
Excellent mechanical and electrical properties. Ideal for sheet-type electrical insulation applications.
- Calendered · 180°C
- Thickness: 0.13 – 0.51 mm
- Density: 0.96 g/cm³
- Dielectric strength: ≥ 27 kV/mm
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A101 Aramid Insulation Paper
Uncalendered and porous, offering excellent flexibility and impregnation properties for resin-bonded applications.
- Uncalendered · 180°C
- Thickness: 0.13 – 0.30 mm
- Density: 0.55 g/cm³
- DPorosity: High (open structure)
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Aramid Insulation Board
Rigid insulation board made from pure aramid fiber. Available in medium and high densities for structural use.
- Rigid Board · 180°C
- Thickness: 0.80 – 3.20 mm
- Density: 1.05 g/cm³
- Compressive strength: ≥ 65 MPa
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Main Application Areas
Where our paper holds the line
From utility-scale transformers to next-generation EV drivetrains, our materials are engineered for the full thermal and electrical envelope.
Power Transformers
Layer, phase, and end-of-coil insulation for dry-type and oil-filled power transformers from 10 kV to 220 kV.
Industrial Motors
Slot liners, phase insulation, and wedge insulation for medium-voltage industrial motors and generators.
Renewable Energy
Wind turbine generator insulation and solar inverter transformer systems for distributed energy infrastructure.
Rail Traction Systems
High-speed rail and metro traction motor insulation. Vibration- and thermally-cycled to railway endurance standards.
Aerospace & Defense
Lightweight structural and electrical insulation for honeycomb composites, aircraft generators, and defense electronics.
EV Traction Motors
High-temperature grade insulation for permanent-magnet and induction motors in passenger and commercial EVs.
World-Class R&D Power in Aramid Insulation Materials
Building More Reliable Electrical Equipment Starts with a Superior, World-Class Insulation Material
Aratech is more than a manufacturer — we are a science-driven innovator. Our ongoing commitment of over $15 million in research investment has created a foundation of 48 core patents, covering fiber spinning, forming, and advanced hot-pressing technologies. By integrating material formulation, multi-parameter testing, and automated process innovation, we have achieved world-class aramid paper performance and set new standards for global production efficiency.
Technology & Innovation
Redefining Electrical Safety Through Advanced Aramid Insulation Paper
As one of the few global manufacturers with proprietary intellectual property, we’ve mastered the entire technological chain, from aramid fiber science to advanced high-temperature pressing. This ensures each roll meets the exact needs of your electrical, thermal, and mechanical design. . These achievements ensure that every roll of Aratech aramid paper delivers world-class reliability, thermal stability, and electrical insulation performance.
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Quality & Compliance
Quality, not just claimed, but certified
Engineered for performance, safety, and cost-efficiency — designed for the world’s most demanding applications.
UL94 V-0 standard
ASTM Certification
AS9100D standard
AFAQ Certification
ISO/IEC 17025 certification
CE certification
IRIS certification
ARR Certification
Global Leader in Paper-Based Electrical Insulation
Delivering Reliability Across Critical Industries
Our precision-manufactured aramid papers are trusted by global leaders in power equipment, new energy vehicles, aerospace, and rail transportation.
From high-voltage transformers and traction motors to aerospace honeycomb cores, our materials ensure safety, stability, and long-term reliability — even under the harshest operating conditions.
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Find your right electrical insulating papers!
Whether you are a distributor, OEM, or service provider, Times Huaxian is ready to be your partner in advanced insulation materials. Contact us today to discuss how our aramid insulation papers can support your business goals.
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