ARALDITE 5049

Harmonization Code : 3506.91.90.99 | Prepared glues and other prepared adhesives, not elsewhere specified or included; products suitable for use as glues or adhesives, put up for retail sale as glues or adhesives, not exceeding a net weight of 1 kg ; Adhesives based on polymers of headings 3901 to 3913 or on rubber; Other ; Other

ARALDITE 5049

Main features

  • High-Strength Structural Bonding
  • 75-Minute Gel Window
  • Water-Resistant Bonding Service

Product Description

ARALDITE® 5049 A/B Adhesive is a two-part epoxy laminating system for composite assemblies, including ski and snowboard laminates, archery limbs, and honeycomb core facing. The mixed material has a typical viscosity of 2,800 cP at 25°C and is normally applied as a 0.05-0.10 mm bondline. It cures to a transparent bondline, with heat cure recommended for optimal results; typical cure options range from 60-120 minutes at 60°C to 15-20 minutes at 100°C. The cured adhesive combines documented strength under static and dynamic loading with resistance to water, ice, and tropical conditions. A typical 75-minute gel time at 25°C for a 100 g mass supports controlled positioning during lamination and assembly.

Key features

  • Lamination strength: Documented high strength under static and dynamic loading for composite bonding applications.
  • Controlled heat cure: A 75-minute gel time at 25°C and cure cycles from 60°C to 100°C support process selection.
  • Environmental resistance: Good resistance to water, ice, and tropical conditions.

Applications / Suitable for

  • Ski and snowboard lamination
  • Archery limb lamination
  • Honeycomb core facing
Product Family

ARALDITE 5049

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TDS, SDS & Technical Documents

Technical Specifications

General Properties
Color
The color
Clear
Density
Volumetric mass per unit
1.15 kg/m3
Mix Ratio
The amount of a constituent divided by the total amount of all other constituents in a mixture
100:44
Thermal Properties
Flash Point
The flashpoint of a solvent is the lowest possible temperature at which it can vaporize to form an ignitable vapor. Flashpoint is often confused with “autoignition temperature”, which is the temperature at which a solvent ignites without an ignition source.
200 °C
Physical Properties
Viscosity
Viscosity is a measurement of a fluid’s resistance to flow. Viscosity is commonly measured in centiPoise (cP). One cP is defined as the viscosity of water and all other viscosities are derived from this base. MPa is another common unit with a 1:1 conversion to cP. A product like honey would have a much higher viscosity -around 10,000 cPs- compared to water. As a result, honey would flow much slower out of a tipped glass than water would. The viscosity of a material can be decreased with an increase in temperature in order to better suit an application
8000 mPa.s

Additional Information

Technical properties

As-supplied and mixed properties

Typical values for ARALDITE 5049 A, ARALDITE 5049 B, and the mixed adhesive. These values are not product specifications.

Property Value Unit Method / condition
Appearance (Part A / Part B / mixed) Clear yellow liquid / Amber liquid / Amber liquid — Visual
Viscosity (Part A / Part B / mixed) 14,000 / 900 / 2,800 cP 25°C; ASTM D2393
Density (Part A / Part B / mixed) 1.16 / 0.93 / 1.08 g/cm³ ASTM D792
Mix ratio by weight 100:43 parts A:B ARALDITE 5049 A : ARALDITE 5049 B
Mix ratio by volume 100:54 parts A:B ARALDITE 5049 A : ARALDITE 5049 B
Gel time 75 min 25°C; 100 g mixed mass
Storage and Handling

Store ARALDITE AY 557 Resin and Hardener HY 5049 in a dry place in their original sealed containers at 2-40°C, protected from direct sunlight. Under these conditions, shelf life is 3 years from the date of manufacture. Material stored below 15.6°C should be conditioned at approximately 15.6-25°C before use.

Cured adhesive properties

Typical mechanical and thermal properties

Typical laboratory values only. Unless otherwise stated, standard specimens were tested at 25°C and cured for 7 days at 25°C. The Tg value uses the cure condition stated in its row.

Property Value Unit Method / condition
Hardness 86 Shore D ASTM D2240
Ultimate tensile strength 69 MPa ASTM D638
Elongation 6 % ASTM D638
Tensile modulus 2,758 MPa ASTM D638
Ultimate flexural strength 55 MPa ASTM D790
Flexural modulus 2,827 MPa ASTM D790
Ultimate compressive strength 96.5 MPa ASTM D695
Compressive modulus 2,827 MPa ASTM D695
Glass transition temperature, Tg 106 °C DMA; ASTM D4065; cured 15 min at 100°C

Bond strength across temperature and water exposure

The results below are typical values from specified aluminum lap-joint tests. They should not be treated as universal joint strength or design allowables for other substrates, preparations, bondlines, or cure conditions.

Temperature-dependent lap shear
Typical lap shear was 16.5 MPa at 20°C, 21.4 MPa at 60°C, 8.9 MPa at 80°C, and 2.8 MPa at 100°C.
ISO 4578; standard aluminum lap joints; adhesive cured 15 minutes at 100°C; load applied 10 minutes after the joint reached the test temperature.
Water-immersion lap shear
Typical lap shear measured 16.5 MPa as prepared and 13.1 MPa after 30 days of immersion in water at 25°C.
ISO 4578; standard aluminum lap-joint test configuration; typical laboratory values only.

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