Wholesale China Aliphatic Polyurethane Clear Coat Manufacturers – SWD8028 polyaspartic anticorrosion coating – SWD

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Wholesale China Aliphatic Polyurethane Clear Coat Manufacturers – SWD8028 polyaspartic anticorrosion coating – SWD Detail:

Features and benefits

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

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

* high hardness, good scratch resistance and stain resistance

* excellent abrasion resistance, impact resistance

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

* no discoloration, UV resistance, no yellowing, no powdering, aging resistance, with excellent weather resistance and gloss and color retention property

* can be applied directly to the surface of metal surface (DTM)

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

Product information

Item	A component	B component
Appearance	light yellow liquid	Color adjustable
Specific gravity(g/m³)	1.04	1.50
Viscosity (cps)@25℃	40-60	100-200
Solid content (%)	58	90
Mix ratio (by weight)	1	1
Surface dry time (h)	1
Pot life (h)@25℃	1
Theoretical coverage (DFT)	0.15kg/㎡ film thickness 100μm

Typical physical properties

Item	Test standard	Results
Pencil hardness		H
Adhesive strength（Mpa）metal base	HG/T 3831-2006	9.3
Adhesive strength（Mpa）concrete base	HG/T 3831-2006	2.8
Impermeability		2.1Mpa
Bending test (cylindrical shaft)		≤1mm
Abrasion resistance (750g/500r) mg	HG/T 3831-2006	5
Impact resistance kg·cm	GB/T 1732	50
Anti-aging, accelerated aging 1000h	GB/T14522-1993	Loss of light＜1, chalking ＜1

Chemical resistance

Acid resistance 40%H₂SO₄or 10%HCI, 240h	no rust, no bubbles, no peel off
Alkali resistance 40%NaOH, 240h	no rust, no bubbles, no peel off
Salt resistance 60g/L, 240h	no rust, no bubbles, no peel off
Salt spray resistance 1000h	no rust, no bubbles, no peel off
Oil resistance, engine oil 240h	no rust, no bubbles, no peel off
Water resistance, 48h	No bubbles, no wrinkled,no color-changing, no peel off
(Note: The above chemical resistant property is obtained according to the GB/T9274-1988 test method, for reference only. Pay attention to the influence of ventilation, splash and spillage. Independent immersion testing is recommended if requires other specific data.)

Application instructions

Hand brush, roller

Air spray, with air pressure 0.3-0.5Mpa

Airless spray, with spray pressure 15-20Mpa

Recommend dft: 150-300μm

Recoating interval: min 1h, max 24h

Product cure time

Substrate temperature	Surface dry time	Foot traffic	Solid dry time
+10℃	2h	24h	7d
+20℃	1.5h	8h	7d
+30℃	1h	6h	7d

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 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: 25kg/barrel, part B: 25kg/barrel.

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