Applications

Araldite® CW 1312 / Aradur® HY 1300

Technology: Optimally filled epoxy casting system for room temperature or slightly elevated curing
Product code: Huntsman Araldite® CW 1312 / Aradur® HY 1300
Manufacturer: Huntsman
Size: Standard industrial packaging (contact supplier for details)
Shelf life: To know more can contact to Avantek

1. Product Overview

Araldite® CW 1312 combined with Aradur® HY 1300 is an epoxy casting system optimized for room temperature or slightly elevated temperature processing. It is highly filled and provides excellent thermal conductivity, thermal shock resistance, and flame retardancy (UL 94 V-0 at 6.0 mm thickness). The system meets railway safety requirements according to EN 45545-2 R22/R23 HL1/HL2.

2. Applications

  • Inductive components (e.g., transformers, generators, and motors)
  • Pressure-sensitive components
  • Casting and vacuum casting processes
  • Railway applications requiring fire safety compliance

3. Typical Properties (Unmixed Components)

Araldite® CW 1312 (Epoxy Resin)

Property Test Method Value
Viscosity at 25°C ISO 2884-1 15 – 22 Pa·s
Specific Gravity at 25°C ISO 2811 1.86 g/cm³
Appearance Visual Beige viscous paste

Aradur® HY 1300 (Hardener)

Property Test Method Value
Viscosity at 25°C ISO 12058 150 – 190 mPa·s
Specific Gravity at 20°C ISO 2811 0.990 – 1.005 g/cm³
Appearance Visual Clear, yellowish liquid

4. Typical Properties After Mixing and Curing

Mixing Data

Mix Ratio By Weight By Volume
Araldite® CW 1312 100 pbw 100 pbv
Aradur® HY 1300 9 pbw 16 pbv

Processing Data

Property Test Method Value
Mix viscosity at 40°C Rheomat 3500 mPa·s
Gel time at 60°C Gelnorm 37 min
Gel time at 80°C ISO 9396 12 – 16 min
Pot life at 40°C Rheomat 50 min
Standard Cure Cycle 24 h at RT + 6 h at 60°C
Minimum Cure Cycle 48 h at 25°C

Mechanical and Physical Properties

Property Test Method Value
Glass transition temperature ISO 6721 21°C
Modulus in Torsion G’ at RT ISO 6721 100 MPa
Thermal Class IEC 60085 B
Tensile modulus ISO 527 75 MPa
Tensile strength ISO 527 5 MPa
Elongation at break ISO 527 12%
Flexural Strength ISO 178 6 MPa
Thermal linear coefficient (Alpha 1) ISO 11359-2 32 ppm/K
Thermal linear coefficient (Alpha 2) ISO 11359-2 140 ppm/K
Thermal conductivity ISO 8894-1 1.1 W/mK
Hardness DIN 53505 Shore D 57
Flammability UL 94 V-0 (6.0 mm)
Water absorption (1 day at 23°C) ISO 62 0.34%
Water absorption (30 min at 100°C) ISO 62 0.39%

Electrical Properties

Property Test Method Value
Dielectric strength (2 mm specimen) IEC 60243-1 15 kV/mm
Dielectric loss factor (tan δ, 50Hz, 25°C) IEC 60250 18%
Dielectric constant (εr, 50Hz, 25°C) IEC 60250 8
Volume resistivity (ρ, 25°C) IEC 60093 10¹¹ Ω cm
Tracking resistance CTI IEC 60112 >600
Electrolytic corrosion IEC 60426 Grade A-1.2

Everwide FX244-1: High Performance for Precision Molding

FX244-1 A specialized two-part silicone rubber designed for creating high-precision molds. This material features a unique oil-bleeding property that creates a self-releasing surface, eliminating the need for external non-stick sprays during demolding.

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