Weather-Resistant Acrylic Polyurethane Topcoat

• Main Raw Material: Polyurethane
• Appearance: Solvent
• Color: White
• Model NO.: J4410
• Viscosity(a Group), Second: ≥60
• Fineness(a Group), μm: ≤35
• Surface Drying Time: 1h
• Full Drying Time: 24h
• Flexibility: 1mm
• Resistant to Artificial Aging: No Fall off, No Crack and No Bubbles
• Water Tolerance(240 Hours): No Cracking, Foaming, Peeling, Wrinkling
• Adhesive Force: ≤2level
• Impact Strength: 50cm
• Hardness: ≥hb
• Transport Package: Drum
• Specification: 18kg/piece
• Trademark: JIREN
• Origin: China
• HS Code: 3208100010
• Production Capacity: 50000ton/Year

Product Description

Design Purpose: Exterior steel structure and building anti-corrosion system topcoat.

Product Features: Strong adhesion, good corrosion resistance, aging resistance.

Product Components: Aliphatic polyurethane, acrylic resin, pigments, additives, and organic solvents.

Execution Standard: Q/320507YCD07-2011

Technical Specifications: The product should meet the following technical requirements:
 

Item

Specification

1. Appearance

Meets standard sample color difference range, smooth and tough.

2. Viscosity (Group A), S

≥60

3. Fineness (Group A), μm

≤35

4. Touch Dry Time, h

1

5. Hard Dry Time, h

24

6. Flexibility, mm

1

7. Impact Strength, cm

50

8. Adhesion

≤2 grade

9. Hardness

≥HB

10. Water Resistance (240h)

No significant change

11.Resistance to Artificial Aging

No peeling, bubbling, or cracking

 
Packaging Specifications: Group A: 18kg/barrel, Group B: 2kg/barrel

Compatible Products: Epoxy zinc-rich primer, epoxy iron oxide intermediate paint, etc.
 

Construction Parameters: Ratio: A/B=9/1

Mixed static time (23°C): 10-20 min

Applicable time limit (23°C): 8h

Diluent addition amount: 10-30%

Theoretical coating amount: 0.25kg/m²

Touch dry time (23°C): 1h

Hard dry time (23°C): 24h

Cured (23°C): 7d

Recoat interval (23°C): 6h-24h

 

Cautions: Outdoor surface treatment and painting should be prohibited under any of the following conditions:

1. Rain, snow, fog, or strong wind;
2. Environmental temperature below 3°C;
3. Relative humidity greater than 85%;
4. Temperature below 5°C or above 35°C.

Shelf Life: 1 year from the date of manufacture under normal storage and transportation conditions.

Safety Precautions:

1. Ensure proper ventilation at the construction site;
2. No smoking or open flames in the construction area and nearby;
3. Use explosion-proof electrical equipment;
4. No metal impacts;
5. Prevent static electricity accumulation;
6. Wear necessary protective gear;
7. Avoid inhaling paint mist and skin contact with paint and solvents;
8. If paint gets in the eyes, rinse with plenty of water and seek medical attention;
9. Properly dispose of empty paint containers and leftover paint to avoid environmental pollution;
10. Take all other necessary safety and fire prevention measures based on the specific site conditions.