Product

XW-502 aliphatic polyurethane anticorrosive primer

Composition and performance:

A two-component polyurethane primer made of aliphatic polyisocyanate and hydroxyl-containing acrylic resin as the base material, with weather-resistant pigments, fillers, additives, etc.

Excellent resistance to chemicals, water and salt spray

Excellent impact resistance and wear resistance

Strong adhesion and tough paint film

use:

Suitable for mechanical equipment, textile machinery, oil storage tanks, steel structures, light industrial products, and ship surface corrosion protection


Technical indicators:

project

       Performance Indicators

color

   Gray, iron red

Status in the container

After stirring and mixing, there is no hard lump and it is in a uniform state

Construction

Trouble-free application

Coating appearance

Smooth

luster

Flat light

Fineness/μm, ≤

40

Drying time/h, ≤

                    

                       Touch Dry                    

1

twenty four

   Get down to business

Non-volatile matter/%,≥

55

Impact resistance/cm

50

Bending test/mm

1

Cross-cut test/level

1

Salt water resistance (3% NaCl solution, 360h )

No abnormality

Water resistance (240h)

No bubbling, no shedding, slight discoloration allowed

Alkali resistance (5% NaOH solution, 96h)

No abnormality

Acid resistance (5% H 2 SO 4 solution, 96h)

No abnormality


Construction instructions:

Main agent: curing agent = 6:1, stir evenly, add 10-15% aliphatic polyurethane diluent, and apply by high-pressure airless spray, brush or roller.


Surface treatment:

The steel surface treatment is carried out in accordance with the national standard "Surface rust grade and rust removal grade of steel before painting" GB8923-88. Sandblasting rust removal reaches the national standard Sa2.5 grade, and manual rust removal reaches St3 grade.


Notes:

1. The paint should be stored in a low temperature, ventilated and dry place; away from fire and heat sources; the shelf life is one year in a cool and dry place.

2. The above information is written based on actual testing and usage experience of our company's technical personnel and can be used as a construction guide. However, due to differences in coating environments and supporting solutions, it is recommended that users conduct preliminary experiments and tests based on actual needs and uses before confirming use. Our company only guarantees the quality and stability of this product itself.

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