Product Description
STWD9521 is a single component aromatic polyurea waterproof anti-corrosion protective coating materials, this product with a variety of substrates with excellent adhesion. Due to its unique chemical structure, the product not only has excellent resistance to chemical corrosion medium, also has excellent high elasticity, high strength, abrasion resistance, impact resistance, and other physical properties characterization.
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
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Product Applications Petroleum, chemical, transportation, construction, electricity, container and other industries waterproof corrosion protection. Maintenance such as bridges, tunnels and water preservation, industrial floor, sewage treatment pond, building roofing, water conservancy dam, hydropower construction waterproof plugging.
Products information
| Item |
|
| Appearance |
Color adjustable |
| Specific gravity (g/m³) |
1.15 |
| Viscosity (cps)@25ºC |
350 |
| Solid content (%) |
≥70 |
| Dry time(hour) |
1-3 |
| Pot life (h) |
1h |
| Theoretical Coverage |
0.26kg/m2 thickness:175μm |
Physical properties of products
| Item |
Test standard |
Result |
| Hardness (Shore A) |
ASTM D-2240 |
80 |
| Elongation (%) |
ASTM D-412 |
390 |
| Tensile strength(Mpa) |
ASTM D-412 |
23 |
| Tear strength (kN/m) |
ASTM D-624 |
65 |
| Wear resistance (750g/500r)/mg |
HG/T 3831-2006 |
8 |
| Adhesive strength (Mpa), metal base |
HG/T 3831-2006 |
10 |
| Adhesive strength (Mpa), concrete base |
HG/T 3831-2006 |
3.3 |
| Impact resistance(kg.m) |
GB/T23446-2009 |
1.0 |
| Density(g/cm³) |
GB/T 6750-2007 |
1.1 |
Product corrosion medium
| Acid resistance 10%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# di esel, 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.) |
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