Aerospace industry special anticorrosion polyurea coating

Product Item : PS900A
Category： Spray Polyurea Coatings
PS900A is a high-performance 100% solids aromatic polyurea elastomer designed for the aerospace industry. It provides superior protection for satellite and rocket components with outstanding resistance to abrasion, impact, chemicals, and extreme temperatures. Featuring rapid curing and seamless application on complex surfaces, it delivers lightweight, durable, and reliable protection for critical aerospace equipment.
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1.Description

PS900A is a 100% solids aromatic polyurea elastomer specifically developed for the aerospace industry. With its exceptional performance, it has gained recognition and has been successfully applied in satellite and rocket components within China's aerospace sector, providing ideal protection.

It offers excellent resistance to abrasion, impact, chemicals, and extreme temperatures, and features rapid curing even on complex surfaces. This coating ensures lightweight yet highly reliable protection for critical high-end equipment.

2.Features

l Solvent-free, 100% solid content, safe, environmentally friendly and odorless.

l Rapid curing, can be sprayed on curved, sloped or vertical surfaces without sagging.

l Forms a dense, seamless coating with good flexibility.

l High adhesion strength to various substrates including steel, concrete, wood, and fiberglass.

l Excellent impact and abrasion resistance.

l Outstanding corrosion and chemical resistance to acids, alkalis, salts, and more.

l Superior waterproofing performance.

l Good shock-absorbing and vibration-damping properties.

l Maintains performance across a wide temperature range.

l Fast curing enables quick return to service.

l Exceptional durability reduces maintenance costs over service life.

l Extends the service life of treated structures.

3.Application Scopes

Protection of satellites, rockets and other devices in aerospace industry.

4. Products information

Item	Part A	Part B
Appearance	Pale yellow liquid	Adjustable color
Specific gravity	1.12	1.05
Viscosity（cps）@25℃	800	650
Solid content （%）	100	100
Mix ratio（by volume）	1	1
Gel time（second）@25℃	4-6
Tack-Free Time（second）	15-40
Theoretical Coverage（dft）	1.08kg/㎡ Film thickness 1mm

Physical properties

Item	Test standard	Result
Hardness (Shore A)	ASTM D-2240	92
Elongation at Break（%）	ASTM D-412	480
Tensile strength（Mpa）	ASTM D-412	19
Tear strength (kN/m)	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)℃，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)