HAW-C21 repair system
HAW-C21 is a 2 component repair paste based on phenolic resin.
Description
HAW-C21 is a 2 component repair paste based on phenolic resin. The components resin (HAW-C21A) and hardener (HAW-C21B) have a mixture ratio of 0,50:0,50.
Range of application
- Repairs of Phenolic-resin (and ebonite) linings for structural components of steel that are subjected to chemical exposure
- Repairs of Bornumharz 6101
- Repairs of hard rubber (ebonite) (after consultation of our application technology department)
- In the chemical industry
Chemical resistance
Resistant
- anorganic acids
- organic solvents
- salt solution
Limited resistance
None listed
Not resistant
None listed
As listed on the data sheet. A medium not listed is untested, not unsuitable. Ask us about your exact medium and concentration.
Physical data
| Property | Value | Unit | Standard |
|---|---|---|---|
| Hardness | 78 ± 5 | Shore D | DIN 53505 |
| Specific weight | 1,45 ± 0,02 | g/cm³ | DIN EN ISO 1183 |
| Tensile strength | > 20 | MPa | DIN EN ISO 527 Schulterstab S2 |
| Elongation at break | > 0,2 | % | DIN EN ISO 527 Schulterstab S2 |
| Adhesive strength | not applicable (layer HAW-C28) | MPa | DIN EN ISO 4624 bzw. ASTM D 429 |
| Testing voltage | not applicable | kV |
Processing notes
- Mixture ratio resin (HAW-C21A) : hardener (HAW-C21B) = 0,50:0,50.
- Repairs of hard rubber (ebonite) only after consultation of the HAW application technology department.
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