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PC-3®

Simpact™ 60A vs. EZ-Spray® Silicone 22 vs. PC-3®EZ-Spray® Silicone 22

Laboratory Tabletop Epoxy Adhesive

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Simpact™ 60A

Simpact™ 60A vs. EZ-Spray® Silicone 22 vs. PC-3®EZ-Spray® Silicone 22 versus PC-3®

Tough, Fast Setting Urethane

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Key Differences

Product Type
  • Silicone Rubber - Platinum Cure
  • Adhesives
  • Urethane Rubber
  • Urethane Resins
Mixed Viscosity11,000 cpsPaste1,100 cps
Pot Life5 minutes20 minutes4 minutes
Cure Time45 minutes24 hours48 hours
Barcol 935 Hardness75
Shore A Hardness2260
Specific Volume25.6 cu. in./lb.20 cu. in./lb.25.7 cu. in./lb.
ColorTranslucent GreenBlackWhite
Tensile Strength490 psi3,000 psi990 psi
Disclaimer
Although we do our best to ensure the accuracy of this Compare Tool, Smooth-On offers no warranty either expressed or implied as to the reliability of the information contained herein. Smooth-On assumes no liability for loss or damage associated with use of the Compare Tool. If this is a critical project, we encourage you to review all of the technical data below and contact our Technical Service department with any questions or concerns.

All Technical Data

EZ-Spray® Silicone 22PC-3®Simpact™ 60A
Product Type
  • Silicone Rubber - Platinum Cure
  • Adhesives
  • Urethane Rubber
  • Urethane Resins
Mixed Viscosity11,000 cpsPaste1,100 cps
Mix Ratio By Volume1A:1B1A:1B1A:1B
Mix Ratio By Weight1A:1B100A:94B
Pot Life5 minutes20 minutes4 minutes
Handling Time2 hours
Cure Time45 minutes24 hours48 hours
Barcol 935 Hardness75
Shore A Hardness2260
Specific Gravity1.08 g/cc1.4 g/cc1.08 g/cc
Specific Volume25.6 cu. in./lb.20 cu. in./lb.25.7 cu. in./lb.
ColorTranslucent GreenBlackWhite
Die B Tear Strength102 pli
Die C Tear Strength142 pli
Tensile Strength490 psi3,000 psi990 psi
Elongation @ Break450 %400 %
100% Modulus49 psi312 psi
Flexural Strength5,000 psi
Shrinkage<.001 in. / in.0.003 in. / in.<.007 in. / in.
Useful Temperature (min)-65 °F
Useful Temperature (max)500 °F
Compressive Yield Strength5,000 psi

Product Description

EZ-Spray® Silicone 22

EZ~Spray® Silicone 22 are sprayable silicones which cure quickly to soft rubbers with high elongation and tear strength. Liquid silicone is sprayed through the EZ~Spray® Junior Cartridge System which is an economical alternative to expensive spray equipment. After a suitable thickness is attained, EZ~Spray® Silicone 22 cures in about 45 minutes. EZ~Spray® Silicone cures with negligible shrinkage to strong, durable silicone rubbers good for production casting of polyester, epoxy or urethane resins, gypsum, concrete and other materials.

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PC-3®

Smooth-On PC-3® Laboratory Table Top Cement is a two-component, black epoxy resin compound designed to join, bond and caulk sections of laboratory counters and tables. This epoxy resin cement is heavily filled and will adhere to vertical surfaces without sagging. It cures at room temperature with extremely low shrinkage.

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Simpact™ 60A

Simpact™ 60A urethane is a low odor, fast-setting urethane elastomers which offers very high tear strength, impact resistance and wear resistance. Simpact™ urethanes are phthalate free, mercury free and MOCA free. Simpact™ urethanes pour easily. Working time is 4 minutes, handling time is 2 hours and full cure time is 48 hours at room temperature.

Cured rubber has exceptional performance characteristics and dimensional stability. Simpact® urethanes can be colored with SO-Strong™ or Ignite™ colorants. Simpact™ urethanes are suitable for making impact resistant props, prototypes and display pieces.

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