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PC-3®

EZ-Spray® Silicone 22 vs. PC-3® vs. Habitat Cast N Coat™EZ-Spray® Silicone 22

Laboratory Tabletop Epoxy Adhesive

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Habitat Cast N Coat™

EZ-Spray® Silicone 22 vs. PC-3® vs. Habitat Cast N Coat™EZ-Spray® Silicone 22 versus PC-3®

Flame Rated Castable and Brushable Epoxy

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Key Differences

Product Type
  • Silicone Rubber - Platinum Cure
  • Adhesives
  • Epoxy Casting and Laminating Resins
  • Epoxy and Urethane Coatings
Mixed Viscosity11,000 cpsPaste13,500 cps
Pot Life5 minutes20 minutes85 minutes
Cure Time45 minutes24 hours16 hours
Barcol 935 Hardness75
Shore D Hardness85
Shore A Hardness22
Specific Volume25.6 cu. in./lb.20 cu. in./lb.18.35 cu. in./lb.
ColorTranslucent GreenBlackTan
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®Habitat Cast N Coat™
Product Type
  • Silicone Rubber - Platinum Cure
  • Adhesives
  • Epoxy Casting and Laminating Resins
  • Epoxy and Urethane Coatings
Mixed Viscosity11,000 cpsPaste13,500 cps
Mix Ratio By Volume1A:1B1A:1B1A:1B
Mix Ratio By Weight1A:1B1A:1B
Pot Life5 minutes20 minutes85 minutes
Cure Time45 minutes24 hours16 hours
Barcol 935 Hardness75
Shore D Hardness85
Shore A Hardness22
Specific Gravity1.08 g/cc1.4 g/cc1.51 g/cc
Specific Volume25.6 cu. in./lb.20 cu. in./lb.18.35 cu. in./lb.
ColorTranslucent GreenBlackTan
Die B Tear Strength102 pli
Tensile Strength490 psi3,000 psi
Elongation @ Break450 %
100% Modulus49 psi
Flexural Strength5,000 psi
Shrinkage<.001 in. / in.0.003 in. / in.
Heat Deflection Temp131 °F
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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Habitat Cast N Coat™

Habitat Cast N Coat™ is a filled, two component (A+B) liquid epoxy that can be cast solid or thickened for brushing on / troweling on to vertical surfaces. Material cures to a rock-hard solid with negligible shrinkage.
Mix ratio is 1A:1B by volume. Working time is 85 minutes and material cures overnight (at room temperature).  UVO™ or Ignite™ colorants can be added to liquid Cast N Coat™ during mixing to create a variety of color effects. Cured epoxy can be sanded and painted with acrylic paints.
Habitat Cast N Coat™ certifies to the highest flame rating available (ASTM E84, Class A), making this material ideal for public space fabrication applications. Also, it does not contain VOC’s, phthalates or crystalline silica (a known carcinogen) and is safe for making elements used in proximity to animals/reptiles and aquatic life.
Epoxy bonds permanently to itself or a variety of surfaces and can be applied as a fire rated protective/decorative coating to EPS or rigid foam, wallboard, plaster, wood, PVC and more. Habitat Cast N Coat™ is also an excellent repair cement and bonds permanently to itself, PVC, Plexiglas™ (acrylic), wood, many metals, plastics and foams.

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