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| Properties | Unit | Internal Control Standard Value | Test Method |
|---|---|---|---|
| Trade name | HTEP Epoxy Primer | ||
| Generic type | / | ||
| Solid content | 100% | 100% | |
| Density (base and hardener) | g/cm3 | 1.5 / 1 | ISO2811 |
| Mix ratio | 5:1 | ||
| Storage temperature | Max | 50℃ | |
| Shelf life at storage temperature | Month | 24 | |
| Recommended dry film thickness, minimum | mm | 0.15 | ISO2808 |
| Pot life at 23℃ | Half an hour | ||
| Flash point (base and hardener) | 145 / 112 |
| Properties | Details |
|---|---|
| Ambient conditions |
Minimum temperature: -5℃ Maximum temperature: 50℃ Relative humidity shall not be greater than 85% Surface temperature shall be more than 3℃ above dew point |
| Surface preparation of steel surface | Clean the burrs, weld slag, spatter, and other contaminants. Preheat the steel surface to 30~40℃ and sandblasting to the Grade Sa2.5 |
| Cleanliness (ISO8501-1) | Grade Sa2.5 |
| Profile (ISO8503-2) | 50–100 μm |
| Application of primer | Pour Cure agent into epoxy resin the primer base can |
| Mixing of primer | Stirring 3~5 minutes to assure uniform mixture |
| Pot life | Half an hour |
| Cure temperature profile (temperature vs time) | 80–90℃ for 5 minutes |
| Application of heat shrinkable material | For polypropylene pipe weld joint, polypropylene pipe bends, T joint, elbows, and irregular objectives. |
| Surface preheat temperature | 80~90℃ |
| Method of preheat | Gas Heating Gun or Induction Heater |
Any application work shall not start or shall be interrupted under the following conditions, unless protective enclosures are installed that maintain the field joint area in a clean and dry condition as specified in the application procedure specification throughout the surface preparation and coating application and curing.
What is the mix ratio of HTEP Epoxy Resin Primer?
What is the pot life of the HTEP Epoxy Primer after mixing?
What surface preparation standard is required before applying the primer?
Under what environmental conditions should application be avoided?
What is the recommended dry film thickness and cure temperature for HTEP Epoxy Primer?
What is the shelf life and storage temperature of HTEP Epoxy Resin Primer?
