Applications

Everwide KA021 Smooth Surface, Low Shrinkage, Two-Component Acrylic Adhesive

Brand: Everwide
Product Number: KA021
Technology: Acrylic-Based
Color:

  • KA021A: Creamy
  • KA021B: Creamy

Cure Type: Room Temperature Curing (25–33°C)
Package Size: Contact us for details
Shelf Life: 12 months

Product Description

Everwide KA021 is a two-component acrylic-based adhesive that cures at room temperature without requiring special surface treatment. It exhibits excellent adhesion strength to low-surface-energy materials such as polypropylene (PP), thermoplastic polyolefin (TPO), and polymethyl methacrylate (PMMA). This adhesive provides a smooth surface with extremely low shrinkage, making it ideal for structural bonding applications requiring high precision and minimal deformation.

Key Features

  • Smooth surface with low shrinkage after curing
  • Excellent adhesion to PP, TPO, PMMA, and other plastic materials
  • Strong bonding capability for thermoplastic polyolefin elastomers
  • No surface pretreatment required
  • High chemical resistance and water resistance
  • Complies with 2011/65/EU RoHS regulations
  • Meets environmental safety standards (chlorine < 900 ppm, bromine < 900 ppm, chlorine + bromine < 1500 ppm)

Recommended Applications

  • Bonding PP, TPO, PMMA, and other plastic materials
  • Structural bonding applications requiring high durability and low shrinkage
  • Applications that require strong adhesion without the need for surface pretreatment

Technical Data

Typical Uncured Properties

Property KA021A KA021B
Appearance Liquid Liquid
Color Creamy Creamy
Viscosity (25°C, cps) 7,000–11,000 (S14, 100rpm) 5,000–9,000 (S14, 100rpm)
Thixotropic Index ≥2 ≥1.5
Specific Gravity 1.01–1.15 1.02–1.12

Typical Curing Properties

Property Value
Mix Ratio (A:B) by Weight 1:1
Work Life (25–33°C) 5–10 min
Initial Cure Time (25–33°C) 2–4 hrs
Full Cure Time (25–33°C) 24–48 hrs

Typical Cured Properties

Property Value
Glass Transition Temperature (°C) 35–40
Durometer Hardness (Shore D) 60–65
Specific Gravity 1.08
Shear Strength (PP/PMMA) (kgf/cm²) 38 / 50
Degradation Temperature 5wt% (°C) 230–232

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