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duoMatrix™-G

duoMatrix™-G vs. EZ-Spray® Silicone 22 vs. EZ-Spray® FoamEZ-Spray® Silicone 22 versus EZ-Spray® Foam

Polymer Additive System for Gypsum

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Key Differences

Product Type
  • Silicone Rubber - Platinum Cure
  • Mix and Pour Expanding Foams
  • Polymer Modifiers for Concrete and Gypsum
Mixed Viscosity11,000 cps400 cpsVariable
Pot Life5 minutes13 seconds60 minutes
Cure Time45 minutes10 minutes120 minutes
Shore A Hardness22
ColorTranslucent GreenTanBright White
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 22EZ-Spray® FoamduoMatrix™-G
Product Type
  • Silicone Rubber - Platinum Cure
  • Mix and Pour Expanding Foams
  • Polymer Modifiers for Concrete and Gypsum
Mixed Viscosity11,000 cps400 cpsVariable
Mix Ratio By Volume1A:1B1A:1B100 Parts Gypsum + 50 Parts C-1 Latex + 10 Parts C-2 Resin + 0.5 Parts C-3 Hardener
Pot Life5 minutes13 seconds60 minutes
Tack Free Time2 minutes
Cure Time45 minutes10 minutes120 minutes
Shore A Hardness22
Expansion (approximate)7 times
Specific Gravity1.08 g/cc0.128 g/cc
Specific Volume25.6 cu. in./lb.17.45 cu. in./lb.
ColorTranslucent GreenTanBright White
Die B Tear Strength102 pli
Tensile Strength490 psi3300-5500 psi
Elongation @ Break450 %
100% Modulus49 psi
Compressive Strength6500-9500 psi
Flexural Strength7500-9800 psi
Shrinkage<.001 in. / in.
Useful Temperature (min)-65 °F
Useful Temperature (max)500 °F200 °F

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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EZ-Spray® Foam

EZ~Spray® Foam is a polyurethane foam compound that can be conveniently sprayed using Smooth-On’s EZ~Spray® Junior System. Foam cures quickly to strong, lightweight and impact resistant 8 lb. rigid foam that can be used for a variety of applications including making lightweight castings. Foam can also be sprayed over certain rubber mold configurations as a mother mold material. For more information, refer to SmoothOn’s EZ~Spray® Junior manual and video.

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duoMatrix™-G

duoMatrix™-G is a new three component polymer additive system that greatly enhances the physical properties of alpha gypsum products duoMatrix™-G (Matrix-G™ for short) reduces the demold and drying time of gypsum and drastically reduces water permeability making it suitable for both interior and exterior applications (for exterior use, product must be sealed – see “post finishing” section). Matrix™-G has less odor and yields elements that are a brighter white than competing products.

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Select a Material from a Category Below

Silicone Rubber - Tin Cure ›

Silicone Rubber - Platinum Cure ›

Urethane Rubber ›

Polysulfide Rubber ›

Urethane Resins ›

Epoxy Casting and Laminating Resins ›

Epoxy Putties ›

Epoxy and Urethane Coatings ›

Mix and Pour Expanding Foams ›

Adhesives ›

Lifecasting Materials ›

Skin Safe FX Materials ›

Polymer Modifiers for Concrete and Gypsum ›