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PC-3®

TASK™ 16 vs. EZ-Spray® Silicone 22 vs. PC-3®EZ-Spray® Silicone 22

Laboratory Tabletop Epoxy Adhesive

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TASK™ 16

TASK™ 16 vs. EZ-Spray® Silicone 22 vs. PC-3®EZ-Spray® Silicone 22 versus PC-3®

Tough 80A/30D Urethane

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Key Differences

Product Type
  • Silicone Rubber - Platinum Cure
  • Adhesives
  • Urethane Resins
Mixed Viscosity11,000 cpsPaste1,400 cps
Mix Ratio By Volume1A:1B1A:1BN/A (gram scale required)
Pot Life5 minutes20 minutes6 minutes
Cure Time45 minutes24 hours24 hours
Barcol 935 Hardness75
Shore D Hardness30
Shore A Hardness2280
Specific Volume25.6 cu. in./lb.20 cu. in./lb.25.64 cu. in./lb.
ColorTranslucent GreenBlackLight Yellow
Tensile Strength490 psi3,000 psi2,264 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®TASK™ 16
Product Type
  • Silicone Rubber - Platinum Cure
  • Adhesives
  • Urethane Resins
Mixed Viscosity11,000 cpsPaste1,400 cps
Mix Ratio By Volume1A:1B1A:1B
Mix Ratio By Weight1A:1B1A:2B
Pot Life5 minutes20 minutes6 minutes
Cure Time45 minutes24 hours24 hours
Barcol 935 Hardness75
Shore D Hardness30
Shore A Hardness2280
Specific Gravity1.08 g/cc1.4 g/cc1.08 g/cc
Specific Volume25.6 cu. in./lb.20 cu. in./lb.25.64 cu. in./lb.
ColorTranslucent GreenBlackLight Yellow
Die B Tear Strength102 pli
Die C Tear Strength197 pli
Tensile Strength490 psi3,000 psi2,264 psi
Elongation @ Break450 %233 %
100% Modulus49 psi855 psi
Flexural Strength5,000 psi
Shrinkage<.001 in. / in.0.003 in. / in.0.0025 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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TASK™ 16

TASK™16 is a low odor, fast-setting Shore 80A/30D urethane that offers very high tear strength, impact resistance and wear resistance. TASK™16 is phthalate free, mercury free and MOCA free. Mixed one part A to two parts B by weight, TASK™16 pours easily. Working time is 6 minutes and handling time is 90 minutes at room temperature. Cured rubber has exceptional performance characteristics and dimensional stability. TASK™16 can be colored with SO‑Strong™ or Ignite™ colorants.

TASK™16 is suitable for making fast mechanical parts, gaskets, wheels and pullies, impact resistant props, and archival master models. It is also used to make fast, wear resistant rubber molds for casting concrete or concrete stamping pads. TASK™16 is also an excellent choice for rotocasting to create hollow semi-rigid castings.

IMPORTANT: Cured TASK™16 will inhibit the cure of liquid platinum silicone. You can not pour platinum silicone into cured TASK™16. Tin silicone must be used if you intend to pour silicone against cured TASK™16.

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Polymer Modifiers for Concrete and Gypsum ›