Product Description
STWD9006 aerospace industry special polyurea is a 100% solid content aromatic polyurea elastomer, it has been recognized by the aerospace industry with its superior quality, now it has been used in the satellite, rocket devices of China Aerospace industry, and achieved ideal protection effect.
Product features and advantages
*Solvent free, 100% solid content, safe, environmentally friendly and odor free.
*Rapid cure, can be sprayed forming on any bent, slope and vertical surfaces, no sagging.
*Dense coating, seamless, with good flexibility
*High adhesive strength, can fast bond well on many substrate like steel, concrete, wood, fiber glass etc.
*Excellent impact resistance, abrasion resistance
*Excellent corrosion resistance and chemical resistance to acids, alkali, salts etc.
*Excellent waterproof performance
*Good shock absorbing performance
*Excellent resistance to temperature variation
*Fast cure, application site back to service quickly
*Excellent durability to reduce maintenance cost of service life
*Extend the service life of sprayed structure
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Product Applications
Protection of satellites, rockets and other devices in aerospace industry.
Products information
| Item |
A |
B |
| Appearance |
Pale yellow liquid |
Adjustable color |
| Specific gravity (g/m³) |
1.12 |
1.05 |
| Viscosity(cps)@25ºC |
800 |
650 |
| Solid content (%) |
100 |
100 |
| Mix ratio(by volume) |
1 |
1 |
| Gel time(second)@25ºC |
4-6 |
| Surface dry time(second) |
15-40 |
| Theoretical Coverage(dft) |
1.08kg/m2Film thickness 1mm |
Physical properties
| Item |
Test standard |
Result |
| Hardness (Shore A) |
ASTM D-2240 |
92 |
| Elongation rate(%) |
ASTM D-412 |
480 |
| Tensile strength(Mpa) |
ASTM D-412 |
19 |
| Tear strength (N/km) |
ASTM D-624 |
68 |
| Impermeability(0.3Mpa/30min) |
HG/T 3831-2006 |
impermeable |
| Wearable(750g/500r)/mg |
HG/T 3831-2006 |
4.2 |
| Adhesive strength(Mpa)concrete base |
HG/T 3831-2006 |
3.2 |
| Adhesive strength(Mpa) steel base |
HG/T 3831-2006 |
11.3 |
| Density(g/cm³) |
GB/T 6750-2007 |
1.02 |
| Cathodic disbondment [1.5v,(65±5)ºC,48h] |
HG/T 3831-2006 |
≤15mm |
Chemical resistance
| Acid resistance 10%H2SO4 or 10%HCI,30d |
No rust, no bubbles, no peel off |
| Alkali resistance 10% 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# diesel, crude,30d |
No rust, no bubbles, no peel off |
| (For reference: the above data is acquired based on GB / T9274-1988 test standard. Pay attention to the influence of ventilation, splash and spillage. Independent immersion testing is recommended if requires other specific data) |
Product features and advantages
*Solvent free, 100% solid content, safe, environmentally friendly and odor free.
*Rapid cure, can be sprayed forming on any bent, slope and vertical surfaces, no sagging.
*Dense coating, seamless, with good flexibility
*High adhesive strength, can fast bond well on many substrate like steel, concrete, wood, fiber glass etc.
*Excellent impact resistance, abrasion resistance
*Excellent corrosion resistance and chemical resistance to acids, alkali, salts etc.
*Excellent waterproof performance
*Good shock absorbing performance
*Excellent resistance to temperature variation
*Fast cure, application site back to service quickly
*Excellent durability to reduce maintenance cost of service life
*Extend the service life of sprayed structure
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