Tank Coat

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TANK SHIELD #5978

DESCRIPTION

Thermo-Shield® Tank Shield is a highly efficient, energy-saving, flexible coating, designed to protect and lower the external surface temperature of storage vessels. It is non-toxic and friendly to the environment. It is completely washable and resist many harsh chemicals and dirt pick-up. This water-based coating is made from an acrylic resin system filled with hollow, vacuumed, sodium borosilicate, ceramic, microspheres that acts as a thermally efficient blanket. Thermo-Shield® Tank Shield has superb fire resistance – it is grade Class A by UL Standards. It can be obtained in a variety of architectural colors for signs and logo making. It leaves a beautiful satin finish.

TYPICAL USES

For the exterior of steel petrol storage tanks and pipelines where reduction of surface temperature is desired. Exterior of steel or polymer water tanks or grain storage silos. Exterior of most chemical storage tanks – this coating is resistant to 26 different harsh chemicals including 20% hydrochloric and 25% sulfuric acids.

PRIMER

Use alkyd or epoxy quality primers where required and/or rust inhibitors to make sure rust will not be present during the application of the coating.

SURFACE PREPARATION

All surfaces must be clean and free from dust, dirt, oil or grease. Minimally, surfaces must be cleaned to remove any loose or chipped paint, or any other foreign material prior to coating. Rust should be controlled with the use of rust inhibitors.

COLOR

White and any custom color available. Darker colors will give a correspondingly lower reflectivity.

PERCENT NON-VOLATILE

51.67% by volume

51.14% by weight

THEORETICAL COVERAGE (2 to 3 coats)

7 m² per gallon at 300 microns DFT (75 sf/gallons at 12 mills DFT) with no loss.

DRYING TIME

To set: 45 minutes

To re-coat:: 12 hours

To through: 12 hours

At 24 Deg C (75 Deg F) and 50% relative humidity

INSULATION

Reflectance 82% Emittance 94% Endothermic Effect® Conductance 0.05 W/mK

FLEXIBILITY

Coating maintains it properties at –50 Deg F (-45.6 Deg C) – Eliminates thermal-shock damage – maintains its strength at 400 Deg F (204.44 Deg C).

ADHESION

Excellent adhesion to steel and other substrates such as galvanized steel, aluminum, concrete, wood, urethane foam, asbestos and others.

SPREADING RATE PER COAT (1 millimeter = 1000 microns)

Suggested 6.7 m²/gl – 556 microns WFT (22 mills) – 330 microns DFT (13 mills)

Maximum 8.7 m²/gl – 445 microns WFT (18 mills) – 254 microns DFT (10 mills)

Minimum 5.8 m²/gl – 635 microns WTD (25 mills) – 394 microns DFT (16 mills)

This rate allows for 10% loss

MIXING

Stir each container thoroughly using low speed mechanical agitation to avoid air entrapment.

NUMBER OF COATS

Two to three-coat application (minimum dry film-build of 300 microns) will give the best long-term protection at minimum cost.

THINNING

None required. Clean water in small amounts up to 0.24 Liter per gallon (1/2 pint) may be added to replace evaporation losses or to adjust for spray equipment configuration. Caution: excessive thinning will cause the coating o loose adhesion and elasticity.

EQUIPMENT

Roller or airless spray application is recommended. Very small areas may be brushed. When Tank Shield is applied by brush, three (3) coasts are required for adequate protection. Airless spray: apply all coats in the same direction – do not cross spray. Cross spraying may reveal surface imperfections such as small undulation, etc. Tip Orifice: .031 inches. Atomizing Pressure: 2200 to 2500 psi. Fan Spread: 60 degrees. Pump: Minimum 1 gallon per minute at 2500 psi. Filter: remove filters and screens. Prim pump with water before attempting to spray Tank Coat. Acceptable equipment includes: Binks Super Hornet, Graco 433 or larger, and many others.

CLEAN UP

Clean tools and equipment with warm soapy water. Rinse with clean water; flush mineral spirits through spray equipment o prevent rusting and to lubricate packing and gaskets.

PACKAGING

5 gallon pails or Lined 55 gallon drums

APPROXIMATE SHIPPING WEIGHT

Net weight per gallon: 4.5 kg (10 lbs)

5 gallon pails: 22.7 kg (50 lbs)

55 gallon drums: 272 kg (600 lbs)

STORAGE

Store at a minimum 1 Deg C (33.8 Deg F) – maximum 30 Dec C (86 Deg F) DO NOT FREEZE

SHELF LIFE

Minimum 2 years (KEEP FROM FREEZING)

SETA FLASH POINT

Non-Flammable (water based)