1) First clean the interior surface of oven/ furnace, with sand paper to remove all loose dust, accumulated carbon, foreign material from the surface.
2) Then take 100ml binder and mix it in 600 ml water. Mix it thoroughly and add one kg powder to the mixture. Prepare homogenous mixture and apply with brush.
3) After four hours, apply second coat to the surface. Allow it to cure.
4) Then check the covering. If it is more than 25 square feet, apply third coat.
5) The covering between 25 and 30 sq ft will ensure dry film thickness of 200 microns minimum.
6) Once the application is over, the surface should be allowed to air dry for four hours.
7) Then for the first time firing, the temp of furnace should be increased at the rate of 50 degrees Celsius per hour to the required temperature.
8) This will allow convertible medium to play its role for proper binding to surface.
Care should be taken for not to mix entire mixture at a time.
9) Only require quantity for each coat application should be mixed at a time..
HERE ARE SOME OF THE KEY BENEFITS OF OUR SPECIALIZED INSULATING COATINGS:
1) Unaffected by UV rays (has passed 1300 hours of accelerated aging by exposure to salt fog and UV).
2) Non-combustible during application and after installation and cure, extremely low flame spread and smoke contribution ratings.
3) Due to the low thermal conduction and other insulating properties, the coating will reduce surface temperatures low enough to allow the application of color top coats while providing safety from burns by incidental contact.
4) With the exception of cold wet applications the coating can be applied without operation shut down.
5) Superior radiant heat barrier averaging 0.063 W/mK Thermal Conductivity, thus eliminating the majority of heat penetration.
6) Low chloride content, i.e., less than 23 ppm and less than 19 ppm halogen.
7) This allows the coating to be used over stainless steel and casting steel too
8) Dry fall during application is 5â€™ to 7â€™
9) Cleans up with soap and water
10) Remains flexible to -30ÂºF (-35ÂºC)
11) Contains no solvents
12) Contains no hazardous fiber
13) Removal is not a hazardous waste (it does not absorb chemicals)
14) Does not require special equipment and handling
THREE VARIANTS OF HEAT LOSS
CONDUCTION : Condensate is the liquid formed when steam passes from the vapor to the liquid state. In a heating process, condensate is the result of steam transferring a portion of its heat energy, known as latent heat, to the product, line, or equipment being heated.
CONVECTION :Convection is the transfer of internal energy into or out of an object by the physical movement of a surrounding fluid that transfers the internal energy along with its mass. Although the heat is initially transferred between the object and the fluid by conduction, the bulk transfer of energy comes from the motion of the fluid. Convection can arise spontaneously (or naturally or freely) through the creation of convection cells or can be forced by propelling the fluid across the object or by the object through the fluid.
RADIATION: As we all are aware, Heat losses from hot surface to atmosphere are due to Radiation, Conduction and Convection. From this 70% losses are due to Radiation and balance only 30% are due to conduction and convection. But general concept is that if we put conduction resistant insulation to hot surface and bring the surface temperature to near ambient, we feel that we have achieved energy saving. Yes indeed!. We have achieved energy saving but were able to block heat losses of 30% only which are due to conduction and convection. What about Radiation? Have we ever thought about it?
EXAMPLES : To explain our point in detail, we will take the example of microwave oven. In microwave oven the heating is done with the help of Radiations. If we place any food material in microwave oven in closed container of very thick glass or any conduction control insulation material suitable for microwave, we will find that the food inside is getting hot without changing the temperature of the container. If we are using conventional insulation material which we are using for hot surfaces for energy saving, then it should not allow the radiations to transfer inside the container and should not allow the food to be heated. But still it happens. This clearly means that conventional insulation material with high K value is suitable for only conduction control and not for radiation control. Hence the necessity of Radiation Control Coatings arises to take care of this heat loss. Considering this NASA developed material for radiation control and the tiles made of these materials (Ceramic Microspheres) are used worldwide for space shuttles exterior cladding. These products were released by NASA for general public use for energy saving in 1996. Started importing these spheres and manufacturing coatings of this material to control radiation losses from hot surface. These coating does not allow the radiations to enter in atmosphere and block to the hot surface only. Since there is no equipment available to check the radiation entering in atmosphere from hot surface, we can very well judge the performance of the coating with help of energy meter by comparing energy before and after application of the coating UGAM H R T I and UGAM INSULMIX are all radiation control coatings. Since these coatings are not conduction control coatings, they will reduce surface temperature to some extent but will not reduce considerably or will not bring the surface temperature to ambient
INDUSTRY WHERE WE SAVE ENERGY TEXTILE, PAPER,RUBBER, AUTOMOBILE, GLASS INDUSTRY, TYRE, CEMENT, PHARMA, SUGAR,FERTILIZERS, REFINERIES, PETROCHEMICALS, CHEMICALS,FOOD, SYNTHETIC FIBRE, ALLOY, OTHER INDUSTRY WHERE RADIATION LOSS IS THERE
PLACES WHERE WE LOSE ENERGY INSTRUMENTS, STEAM PIPING, PUMPS, TURBINES, VALVES, EXCHANGERS, EXHAUST MANIFOLDS, FLANGES, FILTERS, BOILERS, FURNACE, OVENS, KILN, COLD STORAGE, PLATEN, INDUSTRIAL AND COMMERCIAL SHEDS, LAMINATION PRESS MACHINE, DIES, FREEZER, OTHER HEATING EQUIPMENTS / MACHINES WHERE RADIATION LOSS IS THERE
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