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duoMatrix™ NEO

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

Flame Rated Polymer Modified 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 seconds6 minutes
Cure Time45 minutes10 minutes60 minutes
Shore A Hardness22
ColorTranslucent GreenTanWhite
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™ NEO
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:1B100A:50B
Mix Ratio By Weight100A:50B
Pot Life5 minutes13 seconds6 minutes
Tack Free Time2 minutes
Cure Time45 minutes10 minutes60 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 GreenTanWhite
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™ NEO

duoMatrix® NEO is a versatile polymer modified gypsum system that has superior physical and performance properties compared to regular gypsum products. Part A is powder and Part B is liquid. The mix ratio of NEO is a convenient 2A:1B by volume.

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Silicone Rubber - Tin Cure ›

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Adhesives ›

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Polymer Modifiers for Concrete and Gypsum ›