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High Temperature Cements

$40.43

Item# OB-300

 This item is available for quick shipping
Volume discounts available
Volume Discount Schedule
Quantity Price each
1-9 $40.43
10-24 $38.41
25-49 $37.60
50-99 $35.98
100-199 $35.17
200+ $34.37

In stock

Lead Time ( If not in Stock): 5 Days

High Temperature Cements OB-300 OB-300
  • Thermally Conductive
  • Thermal Shock Resistant
  • Electrically Insulating
  • Resists Oils, Solvents, Most Acids
  • Adheres to Practically All Clean Non-Porous Surfaces
  • Porous Surfaces May Require Dampening**
  • OMEGABOND™ 300 for Assembling, Sealing, Insulating
  • OMEGABOND™ 400 for Coating, Embedding, Insulating
  • OMEGABOND™ 500 for Coating, Dipping, Casting

Product info

Type
High Temperature Cements
Color
Off White
Temperature
Not Applicable
Volume
8 oz
Additional Option
Standard

Product Specs

  • Density wet: 112 lbs/ft3 dry:82 lbs/ft3
  • Maximum Compressive Strength 3900 psi
  • Maximum Dielectric Strength at 400°C (750°F) ≤15.0 V/mil
  • Maximum Dielectric Strength at 795°C (1475°F) ≤1.3 V/mil
  • Maximum Dielectric Strength at 20°C (70°F) 51 V/mil
  • Compatible Media Practically All Clean Non-Porous Surfaces
  • Minimum Dielectric strength at 20°C (70°F) 12.5 V/mil
  • Measurement Units °C
  • Measurement Type Temperature
  • Minimum Compressive Strength 1500 psi
  • Modulus of Rupture 460 psi
  • Minimum Thermal Conductivity 4 btu-in/ft2-hr-°F
  • Shear Strength 710

Air Set Cements set or cure through loss of moisture by evaporation. Atmospheric conditions therefore affect the drying rate. Air Set Cements are used mainly in thin film applications (applied in thicknesses less than 1/4")*.

SELECTION CRITERIA FOR CEMENTS
1. Type of Application – Potting, sealing, encapsulating, assembling, bonding. Is a thick or thin film of cement required? This dictates whether or not an air set or a chemical set cement should be used.
2. Thermal Considerations – What is the maximum temperature that the cement must withstand? What degree of thermal conductivity is needed? What degree of thermal expansion is allowed? These parameters are then matched to the appropriate cement.
3. Substrate – What materials will the cement be in contact with?
4. Application Considerations – Pot life, set time, method of dispensing, batch size, cure procedure.
5. Miscellaneous Considerations – Porosity, moisture absorption, electrical resistance, volume stability, clearances/tolerances.

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