Sauereisen - Model No. 6 - Electric Heater Cement
From Corrosion Protection - Air-Setting Adhesives Products
Sauereisen Electric Heater Cement No. 6 is a versatile high-temperature cement used for refractory coatings, lining furnaces, embedding electric heating elements, coating resistors, molding and insulating. No. 6 is supplied in Powder form and needs only be mixed with water to apply.
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Characteristics
- Resists oil, electricity, most solvents, and all acids (except hydrofluoric)
- Resists temperatures to 2500oF (1371oC)
- Heat conductive and thermal shock resistant
- Excellent abrasion resistance
- Excellent for embedding and insulating
- Withstands white heat
- Can be applied to practically any surface
- Air sets to extreme hardness
- Odorless
Instructions
Mixing
Sauereisen No. 6 Powder should be thoroughly remixed before adding water. Recommended mix ratio is 75-80% Powder to 20-25% Potable water by weight. Place water in clean mixing container. Gradually add No. 6 Powder to water while mixing. Continue mixing until a uniform, smooth consistency is obtained. Mixing may be done with a slow-speed mixer or by hand with a spatula. Minimum amount of water should be used as excess water reduces mechanical strength, increases shrinkage and delays set time.
After mixing, place in an air-tight container to soak for at least 24 hours before using. Remix again to attain its original consistency.
Application
Surfaces to receive No. 6 Cement should be clean and free of grease or dirt. Porous substrates should be dampened slightly with Sauereisen Thinning Liquid No. 14 prior to application. No. 6 should be used in thin applications; apply several coats where a heavy layer is desired. In multiple coat applications, each coat must be thoroughly dry prior to application of additional coats. If necessary, Thinning Liquid No. 14 should be used where No. 6 Cement is required in a thinner consistency. No. 6 should not be applied at a thickness greater than 1/4 inch.
Setting/Curing
No. 6 cures by air drying at room temperature. Drying time depends on the consistency and thickness of the application. Normally 18 to 24 hours drying at ambient temperature is sufficient. When the cement has minimal exposure to air, or if it is desired to accelerate the cure, lowtemperature oven drying at 180oF can be used. Avoid steaming while drying. If the cement will be exposed to elevated temperatures, contact Sauereisen for appropriate drying schedule recommendations.
If high humidity resistance is required and it is impractical to fire No. 6 Cement, a moisture-resistant lacquer or silicone coating should be applied to the exposed surfaces.
Packaging
No. 6: 1-quart and 1-gallon cans; 50-lb. bags.
Clean-Up
All equipment should be cleaned with soap and water before No. 6 cures. If removal is required after cure, a low concentration of sodium hydroxide may dissolve the cement. Consult Sauereisen for other recommendations.
Shelf Life
Sauereisen No. 6 has a shelf life of one year when stored in unopened, tightly sealed containers in a dry location at 70oF. If there is doubt as to the quality of the material, consult Sauereisen.
Caution
Consult Material Safety Data Sheets and container label Caution Statements for any hazards in handling this material.
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