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Crestafix® 621CC 65 Bonding Paste

1 of 17 products in this brand
Crestafix® 621CC 65 Bonding Paste is a pre-accelerated urethane acrylate/isophthalic polyester high-performance bonding paste. It is a non-sagging, filled compound specifically designed for the assembly and bonding of GRP moldings. It offers excellent adhesion and good elongation at break and requires a visual check for an effective catalyst mix.

Product Type: Contact Adhesive

Application Area: Car Body Components, Decking, Hulls, Inserts, Internal Frames, Ribs

Compatible Substrates & Surfaces: Composites, Glass-reinforced Plastic (GRP), Wood

Chemical Family: Urethane Acrylates

Technical Data Sheet
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Knowde Enhanced TDS

Identification & Functionality

Chemical Family
Product Type

Features & Benefits

Applications & Uses

Compatible Substrates & Surfaces
Application

Crestafix® 621CC 65 Bonding Paste should be stored between 2°C and 23°C in the original ,unopened container in a dry, well ventilated place. Protect from freezing and direct sunlight. Avoid contact with oxidizing agents.

Properties

Physical Form
Mechanical Properties
ValueUnitsTest Method / Conditions
Lap Shear Strength²10MPa
Tensile Strength³25MPa
Tensile Modulus³3000MPa
Tensile Elongation³3%
Hardness80Shore D
Typical Properties in Liquid State
ValueUnitsTest Method / Conditions
Viscosity⁴120,000 - 200,000 cP
Density1.25g/cm³
Application Properties
ValueUnitsTest Method / Conditions
Working Time¹35min
Gap Filling1 - 25mm
Color ChangeBlue/green to grey
Recommended Application Temperature18 - 25°C
Note

¹ - Working time measured with 100g of adhesive with Butanox M50 (2%) at 25°C
  ² - GRP lap shear tested to BS ISO 4587
  ³ - Tensile properties tested to BS EN ISO 527-2
  ⁴ - Viscosity measured using Brookfield Viscometer at 25°C
  ⁵ - Shelf life is defined from date of manufacture when stored as recommended

Packaging & Availability

Packaging Information

Crestafix® 621CC 65 Bonding Paste is supplied in 25 kg and 225 kg containers.

Storage & Handling

Shelf Life
6 Months⁵
Storage Conditions

Crestafix® 621CC 65 Bonding Paste should be stored between 2°C and 23°C in the original ,unopened container in a dry, well ventilated place. Protect from freezing and direct sunlight. Avoid contact with oxidising agents.