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Sauereisen - Model No. 32 -Potting Cement
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.
- 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)
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.
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.
- 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)
Powder:
- 1-quart can and 1-gal cans;
- 50-lb. moisture-resistant bags,
- 50 pound pail.
All equipment should be cleaned with soap and water before No. 32 cures. If removal is required after cure, consult Sauereisen.
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.
Consult Material Safety Data Sheets and container label Caution Statements for hazards in handling these materials.