Hind Coat PPU


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TWO COMPONENT COAL TAR PITCH MODIFIED POLYURETHENE COATING

Hind Coat PPU is self priming, Two Component Coal Tar Pitch Polyurethene coating, black in color used to protect steel, concrete structures, timber and other construction materials in corrosive environment. It is an excellent abrasion resistant anti-corrosive coating system.

Description

USES

Hind Coat PPU is recommended as a coating material for protection of Tanks, Piping (concrete, steel), Underground Structures, Foundation walls and sumps. Submerged Structures, Concrete and Steel surfaces in sewage treatment plant, Sheet Pilling, Chemical Plants, Crude oil storage tanks, Paper Mills, Dams, Barrage gates, Penstocks etc.

ADVANTAGES

Hind Coat PPU is manufactured and packed in two separate components in a convenient ratio of 1:1 by volume, eliminating the need of weighment at site during mixing. It cures to a hard, smooth surface and possesses exceptional resistance to the effect of water immersion, salt water, oil, acids, alkalis, crude oil, minerals etc. The cured coating is flexible and affords excellent resistance to impact, thermal shock and abrasion.

SURFACE PREPARATION

Concrete

Mechanical grinding or other suitable preparation is recommended for obtaining best results on concrete. Compressed air is used to remove residual dust or use brush to remove dust completely. Compressed air should be oil free. Apply only to dry surface.

Steel

Steel surface, which are to receive coating should be prepared by sand blasting or power tool or mechanical cleaning to a commercial grey metal finfish. If prepared surface is contaminated by moisture or other contaminants, they should be re-blasted. Use suitable Epoxy or PU Primer if required.

MIXING

Hind Coat PPU coating system is thixotropic in nature. It requires efficient stirring before application. The two component system is packed in two containers in the ration of 1:1 by volume. First mix each component separately until uniform and then mix the components in the specified ratio until homogenous. For best result, use a variable speed drill mixer with a spiral type blade at the bottom stirrer rod. The speed may be 400 – 600 rpm.

Place the spiral blade at the bottom of the container before starting the mixer. This will help avoiding induction air into the mass.slowly move the stirrer head up to the surface while stirring. Do not remove the blade while still it is spinning. This procedure is continued for 5 minutes up and down to have a homogenous mixing. Allow the combined mix to sit for an induction time of 5 minutes. Stir again gently with a hand stirrer to ensure uniformity before application.

APPLICATION

For best results, apply two coats of Hind Coat PPU by brush, roller or spray. First coat should be allowed to dry tack free before application of second coat. The second coat should be applied as per enclosed technical data. Wipe first coat with MIBK and wipe dry with cloth before second coat or it may also be applied directly.

PACKING

Hind Coat PPU is available in 10 Kg. and 20 Kg. packing.

STORAGE

6 months in original unopened container. Do not expose or open container to high humidity conditions.

TECHNICAL DATA

Color Black
Specific Gravity 1.15 Kg / L approx
Minimum Dft. 75 micron / coat.

HANDLING PRECAUTION

Hind Coat PPU is non-toxic but ingestion is to be avoided. Any splashes to the skin must be washed with water. If contact with eyes occurs, wash well immediately with water and seek medical advice.

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