Enhanced TDS
Identification & Functionality
- Chemical Family
- RTU Product Type
- Technologies
- Product Families
Features & Benefits
- Labeling Claims
- Ready-to-Use Product Features
- Technical Advantages
- Product versions available in different opening and curing times
- Adhesive reactivity adjustable
- Low coating weight possible
- Calorific potential that allows passing Euroclass A2, s1, d0 for the standard coating weight
- No residual tack that prevents tiles’ blocking
- Broad adhesion spectrum
- Good resistance to humidity, weathering and temperatures
- Pourable
Applications & Uses
- Markets
- Applications
- Application Area
- Application Method
- Compatible Substrates & Surfaces
- Processing Information
Preparation
- For some substrates the use of mechanical pretreatment and/or cleaner or primer is necessary to achieve good adhesion. Refer to the product properties section of this data sheet for special surface requirements and suitable adhesion promoters.
Processing
- Refer to the technical data table regarding processing parameters. Low temperatures can cause a temporary increase in viscosity resulting in reduced extrusion and slower curing rates.
Cleaning
- Clean tools immediately after use. Once cured, the material can only be removed mechanically. Appropriate cleaners are listed in the product properties table.
- Typical Application
Bonding of safety mesh on the back of thin big tiles to avoid easy breaking
Properties
- Physical Properties
Value Units Test Method / Conditions Density 1.38 g/cm³ DIN EN 542 Glass Transition Temperature 56 °C DIN EN ISO 6721-1 Gross Heat of Combustion 17.1 MJ/kg DIN EN ISO 1716 - Component A
Value Units Test Method / Conditions Density 1.49 g/cm³ DIN EN 542 Storage Temperature 10 - 25 °C - Viscosity 6000 mPa·s Kö-test method 100000 - Component B
Value Units Test Method / Conditions Density 1.23 g/cm³ DIN EN 542 Isocyanate Content 31 % - Storage Temperature 10 - 25 °C - Viscosity 300 mPa·s Internal Standard HBF00869 - Cured Properties
Value Units Test Method / Conditions Hardness 75 Shore D DIN EN ISO 868 Lap Shear Strength (substrates: aluminium/aluminium) 15 mPa DIN EN 1465 Pot Life 13 min - Tensile Strength 19 mPa DIN 53504 - Processing Properties
Value Units Test Method / Conditions Mixing Ratio (Part A : Part B) 2.5:1 v% - Mixing Ratio (Part A : Part B) 3 : 1 wt % - Processing Temperature 15 - 25 °C - Service Temperature - 160 to 90 °C - Short Term Temperature Resistance (60 min) 120 °C - Viscosity 2300 mPa·s Kö-test method 100003
Technical Details & Test Data
- Processing Information
Suitable Substrates Expanded polystyrene (EPS) Ceramic tiles Fiberglass mesh Various aluminium alloys Various steel alloys Polyurethane (PUR) Polyvinyl chloride (PVC) Various other substrates Various composite materials (e.g. CFRP, GFRP)
Consistency Pourable Low viscosity Surface Requirements Dry Clean Free of grease Free of dust Application Method Potting With spatula With paint roller Spraying Application Equipment Two part mixing and metering system
With machineProduct is free of Solvents Plasticizers - Cleaner for Tools Körasolv® PU
- Moisture Sensitivity The adhesive must not be exposed to moisture before and during application. Moisture causes foaming leading to lower mechanical properties.
- Preparation The resin (part A) settles over time and needs to be stirred up and homogenized before use.
- Test Data
Körapur® 645 passes the following tests:
- Water jet cutting
- 24 hours boiling water
- Ball drop
- Various bonding tests
Packaging & Availability
- Regional Availability
Storage & Handling
- Storage Information
Körapur® 645 should be used within the shelf life specified on the packaging. The storage stability applies to material stored under appropriate conditions only (original unopened containers, recommended storage temperature).