OEM Aliphatic Polyurethane Manufacturers – SWD8031 solvent free polyaspartic anticorrosion coating – SWD

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OEM Aliphatic Polyurethane Manufacturers – SWD8031 solvent free polyaspartic anticorrosion coating – SWD Detail:

Features and benefits

* high solids, low density, with good leveling, the coating film is tough, dense, full bright

* excellent adhesive strength, good compatible with polyurethane, epoxy and other material.

* high hardness, good scratch resistance and stain resistance

* excellent abrasion resistance and impact resistance

* excellent anticorrosion property, resistance to acid, alkali, salt and others.

* no yellowing, no color change, no pulverization, anti-aging, it has excellent weather resistance and light and color retention.

* can be used as a topcoat direct to metal surface (DTM)

* this product is environmentally friendly and contains no benzene solvents and lead compounds.

* can be applied in the low temperature of -10℃, the coating is dense, fast cure.

Application scopes

Anticorrosion and protection of steel structures, storage tanks, containers, valves, natural gas pipelines, frames, axles, shelves, tank trucks, swimming pools, sewage pools, chemical cofferdams, etc.

Product information

Item	A component	B component
Appearance	light yellow liquid	Color adjustable
Specific gravity(g/m³)	1.05	1.60
Viscosity (cps)@25℃	600-1000	800-1500
Solid content (%)	98	97
Mix ratio (by weight)	1	2
Surface dry time (h)	0.5
Pot life h (25℃)	0.5
Theoretical coverage (DFT)	0.15kg/㎡ film thickness 100μm

Typical physical properties

Item	Test standard	Results
Pencile hardness		2H
Adhesive strength (Mpa) metal base	HG/T 3831-2006	9.3
Adhesive strength (Mpa) concrete base	HG/T 3831-2006	3.2
Impermeability		2.1Mpa
Bending test (cylindrical axis)		≤1mm
Abrasion resistance (750g/500r) mg	HG/T 3831-2006	12
Impact resistance kg·cm	GB/T 1732	50
Anti-aging, accelerated aging 2000h	GB/T14522-1993	Loss of light＜1, chalking ＜1

Chemical resistance

Acid resistance 35%H₂SO₄or 10%HCI, 240h	no rust, no bubbles, no peel off
Alkali resistance 35%NaOH, 240h	no rust, no bubbles, no peel off
Salt resistance 60g/L, 240h	no rust, no bubbles, no peel off
Salt spray resistance 3000h	no rust, no bubbles, no peel off
Oil resistance, engine oil, 240h	no rust, no bubbles, no peel off
Waterproof, 48h	No bubbles, no wrinkled,no color-changing, 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 temperature

environment temperature	-5~+35℃
humidity	≤85%
dew point	≥3℃

Application instructions

Hand brush, roller

Two component ratio-variable high pressure airless spray machine

Recommend dft: 200-500μm

Recoating interval: min 0.5h, max 24h

Application tips

Agitate part B uniform prior to application.

Strictly mix the 2 parts in right ratio and agitate uniform, use up the mixed material in 30 minutes.

Seal the package well after use to avoid moisture absorption.

Keep the application site clean and dry, forbidden to contact with water, alcohols, acids, alkali etc

Product cure time

Substrate temperature	Surface dry time	Foot traffic	Solid dry time
+10℃	2h	12h	7d
+20℃	1h	6h	5d
+30℃	0.5h	4h	3d

Note: the curing time is different with environment condition especially when temperature and relative humidity changes.

Shelf life

Storage temperature of environment: 5-35℃

* shelf life is from the manufacturing date and in sealed condition

Part A: 10 months Part B: 10 months

* keep the package drum well sealed.

* store in cool and ventilated place, avoid sunshine exposure.

Package: part A: 7.5kg/barrel, part B: 15kg/barrel.

Product health and safety information

For information and advice on the safe handling, storage and disposal of chemical products, users shall refer to the most recent Material Safety Data Sheet containing physical, ecological, toxicological and other safety related data.

Integrity declaration

SWD guarantee all technical data stated in this sheet are based on laboratory tests. Actual testing methods may vary due to different circumstances. Therefore please test and verify its applicability. SWD does not take any other responsibilities except the product quality and reserve the right of any modifications on the listed data without prior notice.

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