Sauereisen - Model No. 32 - Potting Cement
From Corrosion Protection - Air-Setting Adhesives Products
Sauereisen No. 32 Potting Cement is a chemical setting cement based on a sodium silicate binder,that exhibits an extended potlife. For ideal performance, the cement should be heat cured at 150oF (65oC) to induce a final set after application. The cement is ideal for bonding ceramics, glasses or most metals. No. 32 can be applied in thicker applications without deformation.
Characteristics
- Non-Halogen
- Adheres to practically all surfaces that are clean and free of oil and grease.
- Resists oil, electricity and most solvents.
- Heat conductive and thermal shock resistant.
- Resists all acids (except hydrofluoric).
- Fireproof and gasproof.
- Resists temperatures to 2012°F (1100°C)
Applications:
Cement Powder should be throughly remixed before using. Weigh out the powder and water seperately. Place measured amount of water into a clean mixing container and gradually add the powder while mixing. Continue mixing until a smooth consistency is obtained. Mixing may be done with a slow-speed mixer or by hand with a spatula.
The cement may be mixed to a thinner consistency by regulating the amount of water used; however, the use of excess water will reduce the mechanical strength and increase shrinkage. Pourous substrates may require dampening with Sauereisen Thinning Liquid No. 14 before applying the mixed cement.
Setting/Curing
The cement is chemical-setting, but should be heat cured between 150-180oF to induce the final set. Without heat cure, the cement may take 48 hours or more to fully harden. Working time after addition of mixed powder is approximately 8 hours. If the cement will be exposed to elevated temperatures, contact Sauereisen for appropriate drying schedule recommendations.
Physical Properties
- Color: Off white
- Compressive strength (ASTM C579): 2500 psi (17.2 MPa)
- Density (wet) (ASTM C20): 2.09 g/cm3
- Density (cured) (ASTM C20): 1.72 g/cm3
- Dielectric strength (ASTM D149): 1.3 kV/mm (35 V/mil)
- Filler: Silica
- Maximum Particle Size: 595 microns
- Maximum service temperature: 2012oF (1100oC)
- Mix ratio: By weight: 100 : 18 ( powder to water)
- pH Value: 10.5
- Pot-Life: 8 hours
- Thermal Expansion (ASTM C372): 6.9x10-6/oC (3.8x10-6/oF)
Packaging
Powder:
- 1-quart can and 1-gal cans;
- 50-lb. moisture-resistant bags,
- 50 pound pail.
Clean-Up
All equipment should be cleaned with soap and water before No. 32 cures. If removal is required after cure, consult Sauereisen.
Shelf Life
No. 32 Powder has a shelf life of one (1) year when stored in un- opened, tightly sealed containers in a dry location at 70oF. If there is a doubt as to the quality of the materials, consult a Sauereisen representative.
Caution
Consult Material Safety Data Sheets and container label Caution Statements for hazards in handling these materials.
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