Hybrid Polyurea Coating

Product Item : PS500A- Hybrid
Category： Spray Polyurea Coatings
PS500A hybrid polyurea system is fast cure, 2-component , 100% solid. It can be applied as an economic coating alternative to pure polyurea products.It can be applied any surface for protecting and waterproofing aims.
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1.Description

hybrid polyurea Coating PS500A is is 100% solid content aromatic polyurea elastomer. It has excellent waterproof anticorrosion and abrasion resistance property which has been widely applied in the industrial and commercial filed for the anticorrosion waterproof protection.It is an ideal choice for both cost control and basic performance in general industrial protection scenarios.

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

*Fast cure, application site back to service quickly
*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
Surface dry time（second）	15-30
Theoretical coverage (dft)	1.08kg/㎡ film thickness:1mm

Physical Properties

Item	Test standard	Result
Hardness (Shore A)	ASTM D-2240	90
Elongation rate（%）	ASTM D-412	430
Tensile strength（Mpa）	ASTM D-412	22
Tear strength (kN/m)	ASTM D-624	82
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