Pure Polyurea Coatings

Product Item : PS500A-Pure
Category： Spray Polyurea Coatings
This pure polyurea system is a very fast-set, 2-component, 100% solids, No VOCs, flexible coating. Spray-applied elastomers provide significant protection to various metal/steel, wood, concrete, etc.
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1.Description

Pure Polyurea Coating PS500A is a 100% solids, aromatic polyurea elastomer. It offers excellent waterproofing, anticorrosion, and abrasion resistance, and is widely used for protective coatings in industrial and commercial applications.

2.Features

* Solvent free, 100% solids, safe, environmentally friendly and odor free.

* Rapid cure, can be sprayed forming on any bent, slope and vertical surfaces without sagging.

* Dense coating, seamless, with good flexibility.

* High adhesive strength, fast bonding well on steel, concrete, wood, glass fibers and other substrates.

* Excellent impact resistance, abrasion resistance

* Excellent anticorrosion and chemical resistance to acids, alkali, salts etc.

* Excellent waterproof performance

* Good shock absorbing performance

* Excellent resistance to temperature variation

* Excellent durability to reduce maintenance cost for lifelong

* Extend the service life of sprayed structure

Application Scopes

Anticorrosion and waterproof protection of construction, chemicals, transportation, metallurgy, electric power, aerospace, marine, shipbuilding and other fields.

3. Products Information

Item	Part A	Part B
Appearance	Pale yellow liquid	Adjustable color
Specific gravity (g/m³)	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	460
Tensile strength（Mpa）	ASTM D-412	23
Tear strength (kN/m)	ASTM D-624	85
Impermeability (0.3Mpa/30min)	HG/T 3831-2006	Impermeable
Wear resistance（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
Impact resistance (kg.m)	GB/T23446-2009	1.0
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)

Application Environment

Environment temperature	0℃-45℃
Product pre-heat temperature	65℃-70°C
Pipe pre-heat temperature	55℃-65℃
Relative humidity	≤90%
Dew point	≥3℃

Application Guide

Recommend spray machine	GRACO H-XP3 Polyurea spray equipment
Spray gun	Fusion-air purge or mechanical purge
Static pressure	2300-2500psi
Dynamic pressure	2000-2200psi
Recommend film thickness	1000-3000μm
Recoating interval	≤6h

4.Package:

Two-component, A component 220KG / 200L barrel, B component 210KG / 200L barrel.
5.Storage/Shelf Life:
Ideal storage condition is 5-35 ℃ in cool and dry place, avoid direct sunlight. / Nine months