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PC-3®

EZ-Spray® Silicone 22 vs. PC-3® vs. EpoxAmite™ HTEZ-Spray® Silicone 22

Laboratory Tabletop Epoxy Adhesive

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EpoxAmite™ HT

EZ-Spray® Silicone 22 vs. PC-3® vs. EpoxAmite™ HTEZ-Spray® Silicone 22 versus PC-3®

High-Temp Laminating Epoxy

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Key Differences

Product Type
  • Silicone Rubber - Platinum Cure
  • Adhesives
  • Epoxy Casting and Laminating Resins
Mixed Viscosity11,000 cpsPaste650 cps
Mix Ratio By Volume1A:1B1A:1BN/A (gram scale required)
Pot Life5 minutes20 minutes60 minutes
Cure Time45 minutes24 hours24 hours
Barcol 935 Hardness75
Shore D Hardness80
Shore A Hardness22
Specific Volume25.6 cu. in./lb.20 cu. in./lb.25.2 cu. in./lb.
ColorTranslucent GreenBlackClear
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®EpoxAmite™ HT
Product Type
  • Silicone Rubber - Platinum Cure
  • Adhesives
  • Epoxy Casting and Laminating Resins
Mixed Viscosity11,000 cpsPaste650 cps
Mix Ratio By Volume1A:1B1A:1B
Mix Ratio By Weight1A:1B100A:33B
Pot Life5 minutes20 minutes60 minutes
Thin Film Working Time180 minutes
Cure Time45 minutes24 hours24 hours
Barcol 935 Hardness75
Shore D Hardness80
Shore A Hardness22
Specific Gravity1.08 g/cc1.4 g/cc1.1 g/cc
Specific Volume25.6 cu. in./lb.20 cu. in./lb.25.2 cu. in./lb.
ColorTranslucent GreenBlackClear
Die B Tear Strength102 pli
Tensile Strength490 psi3,000 psi
Tensile Modulus342,000 psi
Ultimate Tensile6,500 psi
Tensile Elongation2.3 %
Elongation @ Break450 %
100% Modulus49 psi
Compressive Strength16,600 psi
Compressive Modulus168,000 psi
Flexural Strength5,000 psi12,325 psi
Flexural Modulus429,000 psi
Shrinkage<.001 in. / in.0.003 in. / in.
Useful Temperature (min)-65 °F
Useful Temperature (max)500 °F
Ultimate Tensile on 6 ply / 10 oz. Laminate32,100 psi
Flexural Strength on 6 ply / 10 oz. Laminate20,700 psi
Heat Deflection With Post Cure300 °F
Compressive Yield Strength5,000 psi
Tensile Modulus on 6 ply / 10 oz. Laminate2,150,000 psi
Flexural Modulus on 6 ply / 10 oz. Laminate2,216,000 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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EpoxAmite™ HT

EpoxAmite™ HT High Temperature Laminating Epoxy is a water clear, UV resistant laminating epoxy that resists high temperatures up to 300°F / 149°C when properly cured. Pot life is 1 hour and cure time is 24 hours at 73°F / 23°C (post cure required – see post cure schedule). Ultra-low viscosity ensures uniform wetting out and fast penetration of reinforcement materials during hand lay-up or vacuum infusion processes. Cured resin offers superior physical properties.

EpoxAmite™ HT High Temp Laminating Epoxy can be used with S-Glass, E-Glass, Kevlar and carbon fibers for making composite tooling or parts.  Applications include making high temperature pre-preg parts, bonding fixtures, vacuum form molds and prototype injection molds.
Use as a backup laminating resin for EpoxAcoat™ HT high temperature surface coat epoxy.

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