Recoatable Polyurethane Finish-Multicolor

Recoatable Polyurethane Finish-Multicolor

Product Description:

- Model:725-B43-91.

- A two pack acrylic polyurethane finish giving excellent durability and long term recoatability.

- VOC less than 390g/L.

Intended Uses:

- For use in steel structure industrial environment etc. offshore facility petrochemical and chemical plant.

- For use at cosmetic surface of bridge and power plant.

Product Information:

Volume Solids:60%±2%                  Finish/Sheen:  Gloss

Film Thickness(μm)

Min

Typical

Max

Dryfilm Thickness

30

40

80

Wetfilm Thickness

50

66.7

133.4

Theoretical Coverage(m2/L)

29

15

7.5

Mix Ratio: 5.7:1(volume)7.5:1(mass)

Method of Application

 

Airless Spray

Recommended

Tip size range:0.38-0.53mm

Output pressure:≥17MPa

Air Spray

Tip size range:2.0-3.0mm

Output pressure:≥0.4MPa

Brush/Roller

For small area only.

Thinner

Not recommended. Use only in exceptional circumstances (volume 5%).

Cleaner

BX-28

Induction Period

Not required

Drying Information:

 

-5℃

5℃

25℃

35℃

Touch Dry

4h

2h

40min

30min

Hard Dry

48h

24h

8h

6h

Pot Life

8h

6h

4h

4h

Overcoating Data:

 

-5℃

5℃

25℃

35℃

Overcoated by

Min Max

Min Max

Min Max

Min Max

725-B43-91

48h

24h

8h

6h

Storage:

Store in cool and dry conditions,Well ventilate.Keep away from hot and fire. Shelf Life: 12 months

minimum at 25 ℃,Subject to re-inspection thereafter.

Pack Size:

Part A: 22.5kg/17L in 20 L container

Part B: 3.0kg/3L in 6 L container

Flash Point:

Part A: Greater than 31℃

Part B: Greater than 28℃

Mixed paint: Greater than 31℃

Systems and Compatibility:

Consult your Sunrui Representative for the systems best suited for the surfaces to be protected.

Surface Preparation:

All surfaces to be coated should be clean, dry and free from contamination.

Primed Surfaces:

The primer surface should be dry free from all contamination and 725-B43-91 must be applied within the overcoating intervals specified (consult the relevantproduct data sheet).

Areas of breakdown, damage etc., should be prepared to the specified standard (e.gSa2.5(GB/T 8923.1-2011)or Abrasive Blasting, or Power Tool Cleaning) and patchprimed prior to the application of 725-B43-91.

Repair:

1)725-B43-91 should be applied over a recommended primer coating scheme. The primer surface should be clean, dry and free from contamination. Areas of breakdown, damage etc. should be prepared to the specified standard (eg. Sa2.5) and primed prior to the application of 725-B43-91.

2)725-B43-91 may be applied directly over aged 725-B43-91 following thorough fresh water washing and degreasing provided the coating to be overcoated is in an intact and tightly adherent condition. Loose or flaking coatings should be removed back to a firm edge and an appropriate primer should be used to repair the area before application of the full coat.

Limitations:          

1)This product is not recommended for use in immersed conditions.

2)When applying 725-BS43-91 by brush or roller, for some colors, Two coats of 725-BS43-91 may be required to give uniform coverage, especially when applying 725-BS43-91 over dark undercoats.

3)Apply in good weather. Temperature of the surface to be coated must be least 3℃ above the dew point when the humidity is lower than 85%.

4)The dry time and overcoating interval may change according to the environment factors.

5)Avoiding absorb the solvent steam and paint steam for long time. Skin and eyes must avoid contacting the paint. Pay attention to ventilate and fireproof when applying.

Duty statement:

● The data in the sheet base on the information from the laboratory and practice.

● The application may exceed the control, so we only ensure our product quality.

● We own the right of the data sheet modification without informing.