Applications

Araldite® AY 103-1 / Hardener HY 991

Technology: A high-performance two-component epoxy adhesive system designed for structural bonding and durability.

Product code: Huntsman Araldite® AY 103-1 / HY 991

Manufacturer: Huntsman

Size: Packaged as 1 kg of resin and 0.4 kg of hardener.

Shelf life: 6 years.

Araldite® AY 103-1 / Hardener HY 991: 


1. Product Overview

Araldite® AY 103-1 / Hardener HY 991 is a low-viscosity, two-component epoxy adhesive designed for structural bonding. It is solvent-free, easy to apply over large areas, and provides high-strength bonds across various materials. The adhesive cures at room temperature and offers resistance to heat up to 50°C.

2. Applications

This epoxy adhesive is suitable for bonding a wide range of materials, including:

  • Metals (e.g., aluminum, steel, stainless steel, brass)
  • Plastics (e.g., polycarbonate, ABS, PVC, nylon)
  • Ceramics
  • Glass
  • Rubbers
  • Rigid plastics
    It is commonly used in structural bonding, large surface applications, and industrial assembly processes.

3. Typical Properties

Property Araldite® AY 103-1 Hardener HY 991 Mixed Adhesive
Appearance Clear liquid Clear, amber liquid Pale yellow
Specific Gravity 1.1 – 1.2 0.88 – 0.98 ~1.0
Viscosity at 25°C (Pa.s) 1.8 – 2.4 15 – 35
Gel Time at 25°C 200 – 400 min
Lap Shear Strength at 25°C > 14 MPa (after 30 min cure at 100°C)

4. Typical Properties After Mixing

Curing Conditions Time to Reach 1N/mm² LSS Time to Reach 10N/mm² LSS
10°C 16 hours 48 hours
15°C 12 hours 22 hours
23°C 2 hours 6 hours
40°C
60°C 40 minutes 65 minutes
100°C 10 minutes 13 minutes

Additional characteristics:

  • Glass Transition Temperature (Tg): 55°C
  • Shore D Hardness: D80
  • E-Modulus: 1.7 GPa
  • Tensile Strength: 38 MPa
  • Thermal Resistance: Maintains strength up to 50°C

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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