Formula date: Nov 20, 2025
Component
F420/GB902-100/TPA-100.
Curing method
Air drying.
Application
Solvent-free DTM coating for pipelines.
Characters
Solvent-free, fast-drying, corrosion-resistant, and high toughness.
A component
| Material | Content |
|---|---|
| F420(Desmophen NH 1420 Equivalent) | 45 |
| BYK163 dispersing agent | 1 |
| Rutile titanium dioxide | 25 |
| R972 fumed silica | 1 |
| 3A molecular sieve | 3 |
| 1250 mesh barium sulfate | 14.5 |
| Zinc phosphate | 8 |
| BYK1790 defoamer | 0.3 |
| BYK085 defoamer | 0.2 |
| BYK410 rheological agent | 0.1 |
| TEGO450 | 0.1 |
| A187 silane coupling agent | 1.8 |
B component
| Material | Content |
|---|---|
| TPA-100 | 80 |
| GB902-100 | 20 |
Ratio
A:B=100:34 by weight
Specifications
| Pot life | >5min |
| Solid content | ≥99% |
| Touch dry time | ≤15min |
| Hard dry time | ≤1h |
| Thickness | 300-500µm is recommended |
| Gloss | ≥85° |
| Elongation | >10% |
| Tensile strength | >15Mpa |
| Salt spray | >2000h |
Remarks
Two-component spraying equipment must be used for spraying at room temperature or with heating.
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