Pipeline Special Anti-corrosion Polyurea Coating

Product Item : PS700A
Category： Spray Polyurea Coatings
PS700A is a 100% solid aromatic polyurethane elastomer designed for buried pipeline protection. It delivers excellent physical properties and reliable wear resistance, performing under extreme climates, complex geology, and severe erosion. Trusted by engineering projects worldwide.
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1.Description:

PS700A is a 100% solid content aromatic polyurethane elastomer designed for demanding industrial applications, particularly in the protection of buried pipelines. Its exceptional physical properties and stable wear resistance have made it a material of choice among engineering and construction professionals. This product excels in challenging environments, adapting seamlessly to complex geological layers, extreme hot and cold climates, and varying degrees of soil erosion across diverse climatic conditions. As a result, PS700A has gained significant recognition and is now widely used for pipeline coating and protection.

2.Features:
● Without any thinner, environmental protection,high performance of resistance to acid,alkali,salt,sulfide
● Elongation, high flexibility, can adapt to the basic cracks and slight deformation;
● Good aging resistance, Excellent mechanical and chemical properties
● Fast curing, can be sprayed on any surface, slope, vertical surface;
● Convenient construction, spraying a film.
● Working by machine

3.Performance:

Item	Part A	Part B
Appearance	Light yellow	Adjustable
Specific gravity	1.15	1.03
Viscosity（cps）@25℃	710	580
Solid content （%）	100	100
Mixing ratio by volume	1	1
Gel time(second）@25℃	3-5
Theoretical Coverage (dft)	1.05kg/㎡ film thickness:1mm

Physical properties

Item	Test standard	Result
Hardness (Shore D)	ASTM D-2240	45
Elongation at Break（%）	ASTM D-412	150
Tensile strength（Mpa）	ASTM D-412	20
Tear strength (kN/m)	ASTM D-624	67
Impermeability(0.3Mpa/30min)	HG/T 3831-2006	impermeable
Wear resistance (750g/500r）/mg	HG/T 3831-2006	4.8
Adhesive strength（Mpa）concrete base	HG/T 3831-2006	3.2
Adhesive strength（Mpa) steel base	HG/T 3831-2006	12
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)

4.Applications:
Petroleum chemical industry, natural gas, municipal, urban water supply and drainage, and other fields of buried pipeline.
5.Package:
Two-component, A component 220KG / 200L barrel, B component 210KG / 200L barrel.
6.Storage/Shelf Life:
Ideal storage condition is 5-35 ℃ in cool and dry place, avoid direct sunlight. / Nine months