Applications

Araldite® CY 230-1 / Aradur® HY 951

Technology: Low viscosity, unfilled epoxy casting resin system, curing at room temperature
Product code: Huntsman Araldite® CY 230-1 / Aradur® HY 951
Manufacturer: Huntsman
Size: Standard industrial packaging (contact supplier for details)
Shelf life: To know more can contact to Avantek

Araldite® CY 230-1 / Aradur® HY 951 Epoxy Casting System

1. Product Overview

Araldite® CY 230-1 with Aradur® HY 951 is a low-viscosity, unfilled epoxy casting resin system designed for room temperature curing. It allows for a high filler addition and is suitable for encapsulating and potting low-voltage and electronic components.

Key Properties:

  • Good mechanical strength
  • Excellent electrical properties
  • High resistance to atmospheric and chemical degradation
  • Room temperature curing with optional heat acceleration

2. Applications

  • Encapsulation or potting of low-voltage and electronic components
  • Processing methods include casting and vacuum casting

3. Typical Properties (Before Mixing)

Property Test Standard Araldite® CY 230-1 Aradur® HY 951
Viscosity at 25°C (mPa.s) ISO 2555 1350 – 2000 10 – 20
Specific Gravity (g/cm³) ISO 1675 1.1 – 1.2 0.98
Appearance Visual Clear liquid Clear liquid
Epoxy Content (Eq/kg) ISO 3001 4.20 – 4.35
Flash Point (°C) DIN 51758 160 110

4. Typical Properties After Mixing

Processing Data:

Property Test Method Value
Mix Ratio (pbw) 100:10 (Resin:Hardener)
Mix Ratio (pbv) 100:12
Mix Viscosity at 25°C (mPa.s) Rheomat 850
Mix Viscosity at 40°C (mPa.s) Rheomat 280
Pot Life at 25°C (5000 mPa.s) 93 min
Pot Life at 40°C (5000 mPa.s) 59 min
Gel Time at 25°C (min) Gelnorm 160
Gel Time at 40°C (min) Gelnorm 70
Minimum Curing Cycle 24-48h at RT or 4h at RT + 4h at 60°C

Mechanical & Physical Properties (Cured at RT 6h + 60°C 6h):

Property Test Standard Value
Color of Casting Yellowish
Density (g/cm³) ISO 1183 1.19
Glass Transition Temperature (°C) ISO 6721 67
Shear Modulus (MPa) ISO 6721 1230
Hardness (Shore D) ISO 868 85
Tensile Strength (MPa) ISO 527 52
Elongation at Break (%) ISO 527 11
Tensile Modulus (MPa) ISO 527 2800
Thermal Expansion Coefficient (ppm/K) ISO 11359-2 Alpha 1: 87, Alpha 2: 174
Water Absorption (%) (1 day at 23°C) ISO 62 0.16
Water Absorption (%) (10 days at 23°C) ISO 62 0.53
Water Absorption (%) (30 min at 100°C) ISO 62 0.57

Electrical Properties (Cured at RT 6h + 60°C 6h):

Property Test Standard Value
Dielectric Strength (3 mm) (kV/mm) IEC 60243-1 25
Dielectric Loss Factor (tan, 50Hz, 25°C) IEC 60250 1.2%
Dielectric Constant (εr, 50Hz, 25°C) IEC 60250 4.2
Volume Resistivity (Ωcm) at 25°C IEC 60093 7 x 10¹⁵

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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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