| HOT PIPE COATING ® is designed to control heat transfer for temperatures up to 700°F (371°C). It is lightweight and smooth in appearance after mixing. HOT PIPE COATING ® is a water-borne system using a specialacrylic/urethane blend with specific ceramic compounds to provide a non-conductive block against heat transfer. HOT PIPE COATING ® offers a nonflammable/non-toxic formula for hot surface applications over standardsteam pipe or oven wall construction, but can be used for insulation of vessels well below freezing, after cured. The coating was designed tocreate a monolithic insulation system that can be sprayed over mostsurfaces and higher temperatures. It can be applied over metal,concrete, wood, gypsum, and most other substrates. SURFACE PREPARATION Surface must be clean from oil, tar, rust, grease, salts, and films.
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 HOT PIPE COATING ® must be applied by spray.
Apply a thin priming coat of HOT PIPE COATING ® 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 of HOT PIPE COATING ® 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 cured HOT PIPE COATING ® with SUPERTHERM ® to toughen and weatherize the surface. RUSTGRIP ® or ENAMOGRIP ® can be used over SUPERTHERM ® toNOTE: Cold Surface Applications:
Manufacturing or OEM Applications: CLEAN-UP EQUIPMENT Storage of Product: Store HOT PIPE COATING ® between 40°F (5°C) and 120°F (49°C) |
The 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 the surfaces ( SSPC - SP12 \ NACE No 5 ), sandblasted as a "brush off blast or sweep blast" ( SSPC - SP 7 \ NACE No 4 ), hand tool cleaned ( SSPC - SP 2 ) or power tool cleaned ( SSPC - SP 3 ).
PRE-APPLICATION APPEARANCE AND PREPARATION OF HOT PIPE COATING ®
QUESTION: After delivery and storage, the top of a pail of HOT PIPE COATING ® has swollen and expanded, and the HOT PIPE COATING ® appears too dry and chunky to use. Is the HOT PIPE COATING ®defective? What causes the swelling of the pail and the dryness of the HOT PIPE COATING ®?
ANSWER: HOT PIPE COATING ®is a water-based, ceramic coating and is delivered in a 5 gallon pail. After the pail is sealed and stored, HOT PIPE COATING ® will gradually absorb and dissipate its own water over time. Some air pressure is created in the pail during this process and may cause the top of the pail to expand and swell. This absorption/dissipation process is commonly known as rheology and does not harm or adversely affect the use or performance of the coating.
| HPC - Before Mixing In Pail | Early Stage During Mixing in Pail |
Rheology occurs when a coating begins to set up because of non-activity. When the coating is stirred and water is added, the rheology allows the coating to relax and loosen and to return to its original consistency. After opening the pail, the top surface of HOT PIPE COATING ®may appear very dry and dusty with some cracking. As a result, the applicator may believe that HOT PIPE COATING ®is defective or too dry to use. This is not the case, and the appearance of HOT PIPE COATING ®will change dramatically upon proper mixing.
| Six Inch Dispersion Blade | Six Inch Dispersion Blade |
Stir HOT PIPE COATING ®with a six inch (6”) diameter dispersion blade on a drill at a low to medium speed while adding water gradually. The coating will slowly return to a paste form as water is added during mixing. Continue to add water gradually while stirring until HOT PIPE COATING ®becomes smooth, light, and fluffy and has the appearance of thick whipped cream. The amount of additional water that will be required will depend on the age of the coating and environmental conditions, but it can vary from one cup of added water to one to two quarts of added water. When properly mixed, HOT PIPE COATING ®will be a smooth paste that is wet to the touch and will adhere easily to the surface. It will not appear lumpy or dry when properly mixed.
| Late Stage During Mixing in Pail | After Proper Mixing / Ready to Apply |
Each pail of HOT PIPE COATING ® must be mechanically stirred for at least three minutes just before spraying. It cannot be shaken or stirred by hand to reach the proper mix and texture.
HOT PIPE COATING ®was designed to be sprayed using a conventional HOPPER GUN or a GRACO Texspray RTX 1000 - 1500 hopper feed texture sprayer. For small pipe, difficult access or small repair applications it can also be gloved or trowelled on.
Use a thickness gauge to check the wet thickness being applied. The number of coats and total thickness of the HOT PIPE COATING ® will vary depending upon the desired results required and the application temperature ie. ambient temperature or operational temperature.
Whenever possible coat the entire surface one meter \ yard at a time. In the case of a pipe, start at the 12 o'clock position and spray a one meter length to the 6 o'clock position and then continue on the other side from the 12 o'clock to the 6 o'clock position for the same one meter length.
If a smoother surface for HOT PIPE COATING ®is desired after application, use a wet, foam roller to lightly roll over the surface of the coating to obtain the desired smoothness.
OPERATIONAL APPLICATIONS - Applied directly to a surface temperature of between 200°F \ 93.3°C - 600°F \ 315.5°C. If the surface temperature exceeds 600°F \ 315.5°C and cannot be lowered within that range contact Eagle for exact application instructions. Applications to a hot surface must be done with thin primer coats to steam the water out of each primer coat until the surface temperature settles down and stops doing the quick steam out of the coat -- usually two coats. Then the remaining mils WFT ( Wet Film Thickness ) can be applied to the required thickness needed. Allow to operate at the operational temperature overnight or for a couple of days and it is dry. This is multiple coat application.
NOTE - 1 mil = 1 thousandths of an inch 1/1000"
First apply a primer coat at 32 sf per gallon giving a thickness of 50 mils WFT or 38.5 mils DFT. Once the primer coats have finished steaming off, apply the desired mils WFT. Three nozzles are included with the machine and hopper gun. Use the small size ( 6mm ) nozzle. Adjust the airflow to the highest setting to start spraying the product onto the hot surface as the primer coat at 32 sf per gallon giving approximately 50 mils WFT or 38.5 mils DFT, to an in service heated pipe and allow to dry. This will only take a few minutes. Once the primer coat is complete, adjust the air pressure down to 60% - 75% to reduce the force of air and avoid blowing the product off while applying the build coat to the desired thickness. See Temperature Reduction Chart.
AMBIENT APPLICATIONS - Applied to a DRY non operating pipe or surface. Apply a primer coat at 32 sf per gallon giving a thickness of 50 mils WFT or 38.5 mils DFT. Allow the primer coat to set up for at least 8 hours @ 70°F \ 21°C. Then apply a build coat to the desired WFT.
NOTE : Allow each coat to dry between applications. Dry times will vary depending on the temperature of the sprayed surface. Applications done on non operational surfaces will need sufficient time to dry and firm up between coats. This time can be shortened by applying heat at 200°F \ 93.3°C and \ or air to speed the drying process. Apply heat for up to two weeks or as long as possible. All moisture must be evaporated from the coating before bringing the substrate to full operational temperature otherwise it may steam out causing bubbles and \ or knocking the coating off.
In all application situations and environments apply SUPERTHERM ® in one coat at 9 sm \ 100 sf per gallon giving 16 mils WFT or 250 microns \ 10 mils DFT.
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 SP SEAL COAT ® Water based aliphatic polyurethane in one coat at 18 sm \ 200 sf 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 SUPERTHERM ® in one coat at 9 sm \ 100 sf per gallon giving 16 mils WFT or 250 microns \ 10 mils DFT to seal the HOT PIPE COATING ®from solvent penetration which affects insulating ability. Then after the SUPERTHERM ® has cured apply ENAMOGRIP ® Solvent ( White or Coloured ) or RUSTGRIP ® in one coat at 18 sm \ 200 sf 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 HOT PIPE COATING ®to dry then apply SUPERTHERM ® in one coat at 9 sm \ 100 sf per gallon giving 16 mils WFT or 250 microns \ 10 mils DFT to seal the HOT PIPE COATING ® from solvent penetration which affects insulating ability. Then after the SUPERTHERM ® has cured apply EPOXO THERM ® in one coat at 9 sm \ 100 sf per gallon giving 16 mils WFT or 312.5 microns \ 12.5 mils DFT. The total system can be submerged under water in two days. The full cure for the EPOXO THERM ® is 10 days but in two days it has cured enough to allow for submersion while it completes its curing cycle.
FEATURES:
| Percent Solid: | 80.31% solids by volume |
| Weight | 4.4 pounds per gallon 49.79% solids by weight |
| Dry Times: | 5 - 10 minutes as primer at up to 80.2 mils WFT = 62.65 mils DFT @ 20 sq. ft. per gallon over hot surfaces then build up as needed. Allow 24 hours to set. Full dry by next day |
| Spread: | 25 sq. ft. per gallon
= 64 mils WFT = 50 mils DFT as a primer coat 10 sq. ft. per gallon = 160 mils WFT = 125 mils DFT as a build coat 5 sq. ft. per gallon = 320 mils WFT = 250 mils DFT as a build coat 2.5 sq. ft. per gallon = 640 mils WFT = 500 mils DFT as a build coat 1.67 sq. ft. per gallon = 960 mils WFT = 750 mils DFT as a build coat 1.25 sq. ft. per gallon = 1280 mils WFT = 1000 mils DFT as a build coat |
| Elongation: | 125% |
| pH | 8.5 - 9.0 |
| VOC | 14 grams per liter USDA Approved |
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.
