Application

Application Instructions (05/15/14)

HSC™ Coating is designed to control heat transfer for temperatures up to 350°F (176°C). It is lightweight and smooth in appearance after mixing. HSC™ Coating is a water-borne system using a special acrylic/urethane blend with specific ceramic compounds to provide a non-conductive block against heat transfer. HSC™ Coating offers a non-flammable/non-toxic formula for medium heat surface applications over standard steam pipe or oven wall construction, but can be used for insulation of vessels well below freezing, after cured. The coating was designed for ease of application and for hot surface applications where temperature exposures fall below those that would require the use of HPC™ Coating. HSC™ Coating can be applied over metal, concrete, wood, gypsum, and most other substrates.

SURFACE PREPARATION

( Methods include: SSPC-SP 1, SP 2, SP 3, SP 6, SP 7, SP 12 )
Surfaces must be clean and dry before application. Loose or flaking old paints or corrosion must be removed from surface before applying. Surface must be clean of all residues and debris. Surfaces can be cleaned by power washing with solvent wipe down, light commercial blast, or power hand tool to remove loose flakes and debris before applying.

Surface must be clean from oil, tar, rust, grease, salts, and films.

  1. Clean ambient surfaces using TSP (tri-sodium-phosphate) or a citrus cleaner to release dirt and degreaser residue and pressure-wash if possible @ 3500 psi. and allow to dry

  2. Salt contamination on a surface can come as a result of salt water, fertilizers, and car exhaust. Use Chlor*Rid or equivalent to decontaminate surface if salts are present. Acceptable levels: Nitrates: 5-10 mcg/cm², Sulfates: 5-10 mcg/cm², Chlorides: 3-5 mcg/cm²

  3. Clean hot surfaces by removing pack rust, loose dirt and rust using a metal brush or mechanical tool. Remove mil-scale by grit blast, power tool or needle gun.

  4. Prime the surface with RUSTGRIP ® if specified.

NOTE : The temperature of a pipe, valve, or tank cannot be determined by taking the exterior surface temperature where heat is released into the atmosphere. Surface temperatures will rise to match the temperature of the fluid or gas contained once the surface is coated and the heat is held back.

MIXING

Mix with commercial drill and a 6” diameter dispersion blade at low or medium speed for 4 minutes to loosen product. Coating will initially look dry and have a “cake-like” appearance. Mechanically stir using blade until water and resins are mixed and coating appears as a thick whipped cream with no lumps. Use an up and down pumping motion while stirring. If it still appears to be dry, slowly add water while continuing to mix. In a 5-gallon pail, a maximum totaling 1 quart (1 liter) of water may be added as needed to achieve the desired consistency.

 

APPLICATION

HSC™ Coating can be applied by brush, roller or spray.

  1. If application is by brush, use a soft bristle brush.

  2. If application is by roller, use a 3/8” nap roller.

  3. If application is by spray, remove all filters from sprayer and gun prior to use; use a hopper gun for small applications or a texture sprayer using a 2-4 mm nozzle. Spray using a TexSpray 2000 or equal type machine.

  • Surface temperatures over 300°F (149°C) cannot be brushed or rolled, and must be sprayed.

  • HSC® COATING is applied between 40°F (5°C) and 120°F (49°C) ambient.

Hot Surface Applications: Apply a thin priming coat at 50 mils wet (1.25mm) and allow coating to cure down and moisture to steam off. (Approx. 5 minutes) Once steaming has stopped, apply additional coats at 100-200 mils wet per coat (depending on surface temp) to build to specified thickness. Allow coating to completely steam off between coats before applying additional product. After proper thickness is achieved, allow 24 hours to fully dry and cure before top-coating. Top-coat with SUPERTHERM ®, RUSTGRIP ®, or ENAMOGRIP ® to toughen and weatherize the surface.

NOTE: If initial coat or additional coats are applied too thick, bubbles will appear and begin to rise. Bubbles can be punctured to release trapped air and pressed down to allow bubble to adhere.

Cold Surface Applications: Apply a thin priming coat at 25 mils wet (0.63 mm) and allow to dry down by evaporation. Build desired thickness to the specified amount using several applications giving each time to mostly dry. (Approximately 4 hours at 70°F (21°C). Curing can be enhanced by introduction of dehumidification and heat into the surrounding environment.

NOTE: HSC® COATING should never be put into use or exposed to below 40°F (5°C) until it is totally cured and moisture has evaporated from coating. Use a moisture meter to determine. (5% or less)

CLEAN-UP EQUIPMENT

During breaks, spray systems should be flushed with water. After completion, brushes, rollers, and spray systems should be flushed and cleaned with soap and water.

Storage of Product: Store between 40°F (5°C) and 120°F (49°C)

 

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Application Videos for HPC and HSC

HPC COATING Graco Texspray RTX Application Video

Additional Videos

HPC COATING Gazprom Refinery in Omsk Application Video

HPC COATING Air Pot Application Video

HPC COATING Hopper gun Application Video

pree mixingstart mixingfinished mixing

COVERAGE RECOMMENDATIONS: (wet mil gauge recommended)

23 sq.ft / gal. = 49.38 mils dry film thickness
13.0 sq.ft / gal. = 98.75 mils dry film thickness
5.6 sq.ft./gal. = 199.23 mils dry film thickness
4.5 sq.ft./gal. = 252.36 mils dry film thickness

To assist in the calculation of the radiating area of a pipe here is a chart.

pipe calculation

Flat Surface Preparation for HSC and HPC

TOPCOATING REQUIREMENTS

If a durable protective finish is required because of the surrounding environment, such as physical, mechanical abuse or over pipes subject to vibration, apply as follows. After the last coat is applied but before it dries, wrap polyester or fiberglass mesh around the pipe with the edges slightly overlapping to provide complete coverage. Allow this to dry. Topcoat with SUPERTHERM ®.

For exterior applications subjected to WEATHERING apply SUPERTHERM ® at 9 m2 \ 95 f2 per gallon giving 16 mils WFT or 250 microns \ 10 mils DFT or SP LIQUID MEMBRANE ® Water based aliphatic polyurethane at 18 m2 \ 200 f2 per gallon at 8 mils WFT or 92.5 microns \ 3.22 mils DFT. Allow to dry and cure over night.

For resistance from CHEMICALS apply ENAMOGRIP ® Solvent ( White or Coloured ) or RUSTGRIP ® at 18 m2 \ 200 f2 per gallon at 8 mils WFT or 92.5 microns \ 3.7 mils DFT. Allow to dry and cure over night.

For applications with HIGH HUMIDITY or SUBMERGED UNDER WATER allow the HSC® COATING to dry then apply EPOXOTHERM ® at 9 m2 \ 100 f2 per gallon giving 16 mils WFT or 312.5 microns \ 12.46 mils DFT. The total system can be submerged under water in two days. The full cure for the EPOXOTHERM ® is 10 days but in two days it has cured enough to allow for submersion while it completes its curing cycle.

IMPORTANT:
Do not take internally. Avoid contact with eyes. If solution does come in contact with eyes, flush immediately with water and contact a physician for medical attention. Avoid prolonged contact with skin or breathing of spray mist. For quickest removal from skin, wash with water before drying. KEEP OUT OF REACH OF CHILDREN.

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