Anti-corrosion Fusion Bond Epoxy Powder Coatings, Thermosetting Epoxy Resin Powder Coating
◎Introduction
The KT-301A thermosetting epoxy powder coating system is engineered to protect pipelines from corrosion in the most demanding operating environments. KT-301A is designed for use in a primer layer for 3LPE or 3LPP system.
This product has been certified to meet the requirements of CSA Z245.20-14 standard.
◎Product Features
Excellent chemical anti-corrosion properties.
Excellent physical mechanical properties.
For use in a primer layer for 3LPE or 3LPP system.
◎Powder Properties
| Items | Acceptance Criteria | Test Standard |
| Color | Various | Visual Color-Pass |
| Moisture Content(%) | <0.5% | CSA Z245.20 Section 12.4 |
| Particle Size | Larger than 250 μm <0.2% Larger than 150 μm <3.0% | CSA Z245.20 Section 12.5 |
| Density (g/cm3) | 1.45±0.05 | CSA Z245.20 Section 12.6 |
| Thermal Properties | Tg2:≥98℃ | CSA Z245.20 Section 12.7 |
| ΔH=45±10J/g |
| Gel Time (200℃, s) | 15-35 | CSA Z245.20 Section 12.2 |
| Cure Time (230℃, min) | ≤3min | CSA Z245.20 Section 12.7 |
◎Film Properties
| Items | Acceptance Criteria | Test Result | Test Standard |
| Recommended Film Thickness (µm) | 80~200μm |
| Cathodic Disbondment | 24 Hours, -3.5 volt, 65℃ 28 Days, -1.5 volt, 23℃ | 2.5 mm Average 3.5 mm Average | CSA Z245.20 Section 12.8 |
| Flexibility | bending, -30℃ | No Cracking (3.0°) | CSA Z245.20 Section 12.11 12.11 |
| Impact Resistance | 1.5J, -30℃ | No Holidays | CSA Z245.20 Section 12.12 12.12 |
| Hot Water Resistance | 24 Hours, 75℃ | 1 Rating | CSA Z245.20 Section 12.14 |
| Thermal Properties | ΔTg , ℃ | -2≤ΔTg≤3 | CSA Z245.20 Section 12.7 |
◎Coating Reference
1. Application: Factors such as plant capability, specifications, and pipe construction or
characteristics can affect application conditions. The recommended application temperature range for 3PE systems is 190-220ºC.
2. Surface Preparation: Remove all surface contamination before abrasive blasting. Blast clean using steel grit to Sa2.5 near-white metal with a minimum surface profile of 2 mils/51 microns.
◎Precautions
1. All data are based on laboratory testing and practical experience.
2. It is recommended that the product should pass process evaluation before mass use, so as to avoid unnecessary loss to customers due to various reasons such as process.
◎Package and Storage
1. The package is 25kg per box, lined with polyethylene plastic bags. In the course of shipment, it should be loaded or unloaded lightly and avoid direct sunlight and heat and moisture.
2. The product should be stored in a cool, ventilated, dry room with temperature below 35ºC and humidity below 65%.
3. Keep away from fire and heat and tide.
4. After use, it should be sealed in time to prevent powder from being polluted and damped.
5. Reduce the number of movements to avoid impact and pressure.
6. The maximum stacking height should not exceed 4 layers.
◎Product Show
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