STWD9522 is a single component aromatic polyurea anticorrosion wearable coating, it is compatible with concrete substrate and epoxy, polyurethane coating film. With its unique chemical structure, it has excellent chemical resistance and anticorrosion property, high strength, high elasticity which makes the coating film be abrasion resistance, impact resistance and scratch resistance, to avoid concrete broken from impact and crack power, it is especially suitable for the application of chemical industry, printing and dyeing, pharmaceutical industry. It passed the food class test that is safe for the food processing enterprises application field. It has various color based on the customers' requirements to decorate the application projects.
Product features and advantages.
*High solids, low VOC emissions
*Easy to apply, brush, roller, air spray or airless spray all suitable.
*High physical properties of wearable, impact resistance and scratch resistance
*Excellent waterproof performance
*Excellent chemical resistance, can withstand certain concentration of acid, alkali, salt, oil, organic solvents etc.
*Excellent adhesion force, fast bonding well on the surface of steel, concrete, wood, fiberglass and other substrates.
*Wide temperature requirements, can be used in environments of -50 ºC ~ 120ºC.
*One component material, easy operation without ratio mixed, reducing labor costs
Typical use
Flooring of oil chemical plant, cotton processing factory, pharmaceutical factory, brewery plant, food processing plants, dairy plants, iron and steel manufacturing enterprises, power plant, machinery processing factory, workshop and warehouse floor of pesticide production industry
Products information
| Item | results |
| Appearance | Color adjustable |
| Specific gravity (g/m³) | 1.15 |
| Viscosity (cps)@20ºC | 420 |
| Solid content (%) | ≥65 |
| Dry time(hour) | 1-3 |
| Pot life (h) | 2h |
| Theoretical Coverage | 0.15kg/m2 (thickness:100um) |
Physical properties of products
| Item | Test standard | Result |
| Pencil Hardness | GB/T6739-2006 | 2H |
| Bending strength (cylindrical shaft) mm | GB/T 6742-2007 | 1 |
| Puncture resistance (Kv/mm) | HG/T 3330-1980 | 250 |
| Impact resistance(kg.m) | GB/T1732-1993 | 50 |
| Elongation (%) | ASTM D-412 | 410 |
| Wear resistance (750g/500r)/mg | HG/T 3831-2006 | 15 |
| Adhesive strength (Mpa), metal base | HG/T 3831-2006 | 11 |
| Adhesive strength (Mpa), concrete base | HG/T 3831-2006 | 3.2 |
| Density(g/cm³) | GB/T 6750-2007 | 1.1 |
Chemical resistance
| Acid resistance 30% H2SO4 or 10%HCI, 30d | No rust, no bubbles, no peel off |
| Alkali resistance 30% NaOH, 30d | No rust, no bubbles, no peel off |
| Salt resistance 30g/L,30d | No rust, no bubbles, no peel off |
| Salt spray resistance,2000h | No rust, no bubbles, no peel off |
| Oil resistance 0# die sel,oil, 30d | No rust, no bubbles, no peel off |
| ( For reference: pay attention to the influence of ventilation, splash and spillage. Independent immersion testing is recommended if requiring detail data.) | |
