Product Description
STWD8002 adopts with low viscosity special epoxy resin, modified amine curing agent, active agent, pigments, fillers and other materials, produced with scientific process. The solvent free epoxy heavy duty anticorrosion coating is thick film at one time, with high hiding effect at edges, no contraction during curing process. It is eco friendly, pollution free during application.
Product features and advantages
* coating film is compact tough, high adhesive strength with substrate
* excellent abrasion resistance and impact resistance
* excellent chemical resistance like acid, alkali and salt.
* excellent anticorrosion effect.
* no crack or peel off after long term outdoor use.
* excellent anticorrosion property to reduce the maintenance cost of lifelong
* extend the service life of sprayed structure
Typical use
Steel structure anticorrosion protection of petrochemical, shipbuilding, metallurgy, machinery, highway bridges, buried pipelines, marine facilities.
Product information
| Item |
Part A |
Part B |
| Appearance |
Light yellow liquid |
Color adjustable |
| Specific gravity (g/cm3 ) |
1.01 |
1.36 |
| Viscosity (cps) at 20ºC |
50 |
570 |
| Solid content (%) |
98 |
98 |
| Mix ratio (by weight) |
1 |
1 |
| surface dry tme (h) |
6-24h |
| Re-coat time (h) |
Min 24h, Max 168h, (20ºC) |
| theoretical coverage (dft) |
0.13kg/m2 (thickness 100um) |
Physical property
| Item |
Test standard |
Results |
| Pencil hardness |
GB/T 6739-2006 |
2H |
| Adhesive strength (grid method) |
GB/T 1720-1989 |
1 grade |
| Flexibility |
GB/T 1731-1993 |
1 grade |
| Impact resistance kg·cm |
GB/T 1731-1993 |
50 |
Chemical resistance
| Acid resistance 15%H2SO4 or 6%HCl,30d |
no rust, no bubbles, no peel off |
| Alkali resistance 20%NaOH, 30d |
no rust, no bubbles, no peel off |
| Salt resistance 100g/L,30d |
no rust, no bubbles, no peel off |
| Salt spray resistance, 1000h |
no rust, no bubbles, no peel off |
| Oil resistance 0# diesel, 30d |
no rust, no bubbles, no peel off |
| Aviation kero sene and distilled water mixture (51ºC~53ºC,21d) |
No rust, no soft, no bubbles |
| (For reference: Pay attention to the influence of ventilation, splash and spillage. Independent immersion testing is recommended if requires other specific data) |
Application environment
Environment temperature: -5 ~+ 35ºC
Relative humidity: ≤85%
Dew point: ≥3ºC
Application tips
Hand brush, roller
Air spray, air pressure 0.3-0.5Mpa
Airless spray, spray pressure 15-20Mpa
Recommended dft: 100-200 um
Re-coating interval: ≥2h
Application note
Agitate part B well prior to use.
Pour out the limited material to use promptly, to avoid moisture cure.
After coating application, proper heating (40-70ºC) is allowable to short the surface dry time, and improve the coating film property.
When the temperature below 15ºC, preheat the liquid material during spray, but it will reduce the pot life.
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