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℃
| Property |
Standard |
Value |
Unit |
| Gel Time @25℃ |
ISO 9396 |
80 |
min |
| Pot Life @40℃ |
Rheomat |
37 |
min |
| Tensile Strength |
ISO 527 |
35 |
MPa |
| Volume Resistivity |
IEC 60093 |
10¹⁴ |
Ω·cm |
| CTI Tracking |
IEC 60112 |
>600 |
grade |
| Water Absorption |
ISO 62 |
0.04 |
wt% (23℃/24h) |
| Oxygen Index |
ISO 4589-2 |
36.1 |
% |
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
Your message must be between 20-3,000 characters!
