High Thermal Conductivity Araldite® CW 1305 Epoxy Encapsulant System Explosion Proof

Araldite® CW 1305 High Thermal Conductivity Explosion-Proof Epoxy Encapsulant System | 180℃ Certification

Product Simple Attributes

This system comprises Araldite® CW 1305 modified epoxy resin and Aradur® HY 1300 hardener, mixed at 100:11 weight ratio. Designed for explosion-proof electrical equipment, certified UL 94 V-0 (3.0mm) and EN 45545-2 railway fire standard (R23 HL2/R24 HL3).

Product Introduction

CW 1305/HY 5809is a solvent-free epoxy system with inorganic fillers, curable at RT or elevated temperatures. Optimized viscosity (3,500 mPa·s @40℃) enables vacuum casting, forming high-density insulation with 27 kV/mm dielectric strength and 10¹⁴ Ω·cm volume resistivity

Deepening of special attributes

Thermal Management​​: 0.88 W/mK conductivity with 180℃ UL rating (File E206297), CTE α1/α2=42/105 ppm/K
​​Flame Safety​​: UL 94 V-0 (3mm), LOI 36.1%, EN 45545-2 R24 HL3 compliant
Environmental Resistance​​: 0.04% water absorption (23℃/24h), 88 Shore D hardness

Application scenarios

​​Key Applications​​: Explosion-proof transformers (e.g. mining equipment), rail transit capacitors (EN 45545-2 R24 HL3 compliant), marine filters
​​Industry Case​​: Siemens Sitras 8 signaling devices (per Huntsman HT-9222) adopt this system for capacitor encapsulation at -40℃ to 155℃

1. Who are we?

We are Shenzhen Huazhisheng New Material Technology Co., Ltd., a professional industrial adhesives and sealants supplier based in China since 2018. we serve global markets: Mainland China (60%), Southeast Asia (20%), North America (10%), and Europe (10%).

2. What products do you offer?

we supply high-performance adhesives and sealants from global leaders including:

Cemedine, Dow Corning, Shin-Etsu, Araldite, and Momentive,etc.

3. How do you guarantee product quality?

Quality assurance through:

Mandatory pre-production samples approval

Final inspection by QC team before shipment

International certifications: SGS, UL, FDA, RoHS, REACH

4. Why choose us over other suppliers?

Reliable Supply:Authentic products from top manufacturers

Expert Support:Technical guidance for product selection

Global Compliance:Certifications meeting target market standards

Efficient Service:Customized solutions & professional support

5. What services do you provide?

Delivery​:EXW/FOB/CIF

Payment​:USD/EUR/CNY/HKD via T/T, L/C

Support​:Technical consultation & logistics coordination

Shenzhen Huazhisheng New Materials Technology Co., Ltd. is a leading provider of environmentally friendly adhesives and technical solutions, specializing in the application of modified silicone rubber, epoxy adhesives, thermal materials, bonding adhesives, encapsulation adhesives, and UV adhesives across various industries such as electronics, home appliances, LED lighting, automotive, consumer electronics, rail transit, aerospace, and electrical power. Huazhisheng New Materials adheres to the corporate sustainable development strategy of "Progress, Innovation, Professionalism, and Integrity," and integrates the philosophy of "Quality, Efficiency, Environment-Friendly, and Reliability" throughout the entire product lifecycle. Our products have passed SGS, UL, FDA, DIN, and non-toxic certifications, and have been awarded multiple global patents, making us one of the primary suppliers of adhesives and new materials in China's new energy, electronics, automotive, industrial, packaging, environmental protection, construction, and high-speed rail sectors.
With an innovative perspective, we offer customized solutions, continuously develop leading technologies, and provide comprehensive support to clients across various industrial sectors. We are committed to collaborating with our clients to drive industrial transformation and upgrading, ensuring your sustained competitive edge.
Based on advancements in various polymer chemical materials, Huazhisheng New Materials has established a leading position in four key areas: coating, bonding, sealing, and thermal conductivity. Our efficient and environmentally friendly adhesive products and technical solutions help industrial enterprises enhance production efficiency and benefits, protect your electronic products from external chemical agents and harsh usage environments, and extend their lifespan, ensuring continuous and stable operation.