Huntsman Araldite 2018 Datasheet Huntsman Araldite 2018

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  • Description for Huntsman Araldite 2018

    Huntsman Araldite 2018 is a 2-Part Part A/Part B Polyurethane Liquid used to Adhere Thermoplastic

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    Brand Araldite
    Application Type Adhesive
    1 Part or 2 Part 2-Part
    Material Form Liquid
    Substrate Thermoplastic
    Manufacturer Huntsman
    Chemistry Polyurethane
    Cure Method Part A/Part B
    Cure Temperature (°C) 25
    Viscosity (cPs) 8 (Pas)
    Color Pale opaque

  • Technical Data for Huntsman Araldite 2018

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    Overview
    • Application Type
      • Adhesive
    • 1 Part or 2 Part
      • 2-Part
    • Material Form
      • Liquid
    • Substrate
      • Plastic - Thermoplastic
    • Chemistry
      • Polyurethane
    • Cure Method
      • 2-Part Cure - Part A/Part B
    • Color
      • Opaque - Pale opaque
    • Brand
      • Araldite
    Specifications
    Cure Specs
    Cure Temperature (°C) 25
    Viscosity (cPs) 8 (Pas) Test Method
    Linear Shrinkage (%) Low
    Work / Pot Time (min) 40 Test Method
    Thixotropic Lightly thixotropic
    Mix Ratio 100:95 (by weight), 100:100 (by volume)
    Bond Strength
    Peel Strength (piw) 23 Test Method
    Shear Strength (psi) 1 (MPa), 1 (MPa), 1 (MPa), 1 (MPa), 1 (MPa), 1 (MPa), 7 (MPa), 7 (MPa), 7 (MPa), 7 (MPa), 7 (MPa), 7 (MPa) Test Method
    Tensile Strength (psi) 7 (MPa) Test Method
    Material Resistance
    UV Resistance Good UV stability
    Hardness
    Elongation (%) 45 Test Method
    Flexibility Flexible
    Modulus (psi) 16 (MPa) Test Method
    Other Properties
    Specific Gravity 1.130
    Business Information
    Shelf Life Temperature (°F) 36 to 104, 36 to 104
    Shelf Life (mon) 24 Part A, 24 Part B

  • Best Practices for Huntsman Araldite 2018

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    1. Surface Preparation

      The strength and durability of a bonded joint are dependant on proper pretreatment of the surfaces to be bonded. At the very least, joint surfaces should be cleaned with a good degreasing agent such as acetone, iso-propanol (for plastics) or other proprietary degreasing agents in order to remove all traces of oil, grease and dirt.

      Low grade alcohol, gasoline (petrol) or paint thinners should never be used.

    2. Application

      The resin/hardener mix may be applied manually or robotically to the pretreated and dry joint surfaces. Huntsman's technical support group can assist the user in the selection of an suitable application method as well as suggest a variety of reputable companies that manufacture and service adhesive dispensing equipment.

      A layer of adhesive 0.05 to 0.10 mm thick will normally impart the greatest lap shear strength to the joint. Huntsman stresses that proper adhesive joint design is also critical for a durable bond. The joint components should be assembled and secured in a fixed position as soon as the adhesive has been applied.

  • Comparable Materials for Huntsman Araldite 2018

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    Spec Engine® Results

    • Parker Lord
      Circalok 6402 Urethane Encapsulant(Parker Lord)

      A general purpose, two-component urethane system which cures to a flexible material ideal for use as a coating, laminating adhesive or encapsulating compound. It can also be used as an excellent adhesive for many non-polar substrates, including rubber, metal and vinyl.

    • Resinlab
      EL628FF(Resinlab)

      • Two-part component • A flexible • High adhesion High adhesion • Thixotropic • High impact resistance • room temperature curing polyurethane adhesive • Bonding of dissimilar materials • Rubber to metal Bonding

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Viscosity Test Methods
Viscosity Temperature
8 (Pas) 25°C
Work / Pot Time Test Methods
Work / Pot Time Test Method Temperature
40 min 100 gm 25°C
Peel Strength Test Methods
Peel Strength Cure Time Cure Temperature Test Method
23 piw 960 min 40°C ISO 4578
Tensile Strength Test Methods
Tensile Strength Test Temperature Test Method
7 (MPa) 23°C ISO 527
Shear Strength Test Methods
Shear Strength Type Cure Time Test Temperature
1 (MPa) Lap shear strength 960 min 10°C
1 (MPa) Lap shear strength 720 min 15°C
1 (MPa) Lap shear strength 240 min 23°C
1 (MPa) Lap shear strength 45 min 40°C
1 (MPa) Lap shear strength 25 min 60°C
1 (MPa) Lap shear strength 4.00 min 100°C
7 (MPa) Lap shear strength 2,880 min 10°C
7 (MPa) Lap shear strength 1,200 min 15°C
7 (MPa) Lap shear strength 960 min 23°C
7 (MPa) Lap shear strength 180 min 40°C
7 (MPa) Lap shear strength 30 min 60°C
7 (MPa) Lap shear strength 12 min 100°C
Modulus Test Methods
Modulus Test Method
16 (MPa) ISO 527 (Tensile modulus)
Elongation Test Methods
Elongation Test Method
45 % ISO 527, at break