POLYURETHANE PAINT AND PRIMERS

Witcoat Polyurethane Paint is a two-component acrylic resin-based polyurethane enamel cured with aliphatic polyisocynate. It has excellent gloss and colour retention. It is resistant to water, impact, abrasion, and an industrially corrosive atmosphere.


The product is recommended to be used as a finishing coat for exterior steel and concrete in aggressive marine and industrial environments, for example, L.P.G. storage tank, refineries, chemical and fertilizer plants, dock installation, offshore platforms where light fastness & gloss retention are desired.

APPLICATION DETAILS

Base: 4 parts by volume
Mixing ratio: Curing agent- 1 part by volume
Pot Life: 4-6 hours at 30°C
Application method: Air spray/brush
Recommended thinner: Witcoat P.U. Thinner
Film thickness (dry): 35-45 microns (by dft meter)

SURFACE PREPARATION
Remove oil grease with suitable detergent solution and other contaminants by high pressure fresh water hosing. Dust off the residue.

APPLICATION CONDITIONS
Apply only on a dry and clean surface, with a temperature above the dew point to avoid condensation.

PRECEEDING COAT
Witcoat epoxy z/p primer, Witcoat Polyurethane Primer or as per specifications

SUBSEQUENT COAT
Witcoat Polyurethane Paints or as per specifications

REMARKS
Hardener is sensitive to moisture and hence needs to be stored in a dry place. Keep the can tightly closed after use. After exposure in a contaminated environment, clean the surface with high-pressure fresh water hosing and allow it to dry before applying an overload. If the maximum recoat interval is exceeded, roughen the surface to ensure intercoat adhesion.

SAFETY
As a general rule, inhalation of solvent vapour or paint mist and eye and skin contact with the liquid paint should be avoided. In addition, national and local safety regulations should be followed.

Properties SPECIFICATION NOTE
Finish Smooth & Semi Glossy to glossy
Application Viscosity @ 30°C 20-25 Sec By B-4 Ford Cup
Shade According to the requirement of the
Volume Solid % 40%
Theoretical Spreading 8-11 M2/Ltr@ 35-45 Microns
Flash Point Above 25 0C Abel Closed Cup
Dry to touch 60-90 minutes At 30°c
Hard Dry 16-18 hrs.
Fully Cured 6-7 days at 30°C
Shelf Life 6 months from mfg. date Months at 30°c

DISCLAIMER
The information contained within this data sheet is based on information believed to be reliable at the time of its preparation. The company will not be liable for any loss or damage caused, including liability for negligence, that may be suffered by the user of the data contained herein. It is the user's responsibility to conduct all necessary tests to confirm the suitability of any product or system for their intended use. Please be advised that no warranties are expressed or implied due to the inherent variability in product use, which is beyond our direct control.