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OOMOO™ 25

OOMOO™ 25 vs. EZ-Spray® Silicone 22 vs. EZ-Spray® FoamEZ-Spray® Silicone 22 versus EZ-Spray® Foam

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Key Differences

Product Type
  • Silicone Rubber - Platinum Cure
  • Mix and Pour Expanding Foams
  • Silicone Rubber - Tin Cure
Mixed Viscosity11,000 cps400 cps4,250 cps
Pot Life5 minutes13 seconds15 minutes
Cure Time45 minutes10 minutes75 minutes
Shore A Hardness2225
Specific Gravity1.08 g/cc0.128 g/cc1.34 g/cc
ColorTranslucent GreenTanLight Blue
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® FoamOOMOO™ 25
Product Type
  • Silicone Rubber - Platinum Cure
  • Mix and Pour Expanding Foams
  • Silicone Rubber - Tin Cure
Mixed Viscosity11,000 cps400 cps4,250 cps
Mix Ratio By Volume1A:1B1A:1B1A:1B
Mix Ratio By Weight100A:130B
Pot Life5 minutes13 seconds15 minutes
Tack Free Time2 minutes
Cure Time45 minutes10 minutes75 minutes
Shore A Hardness2225
Expansion (approximate)7 times
Specific Gravity1.08 g/cc0.128 g/cc1.34 g/cc
Specific Volume25.6 cu. in./lb.20.6 cu. in./lb.
ColorTranslucent GreenTanLight Blue
Die B Tear Strength102 pli40 pli
Tensile Strength490 psi240 psi
Elongation @ Break450 %250 %
100% Modulus49 psi100 psi
Shrinkage<.001 in. / in.0.0025 in. / in.
Useful Temperature (min)-65 °F-65 °F
Useful Temperature (max)500 °F400 °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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OOMOO™ 25

No Vacuuming – No Scale – Easy To Use . . . OOMOO™ 25 is an easy to use tin cure silicone rubber compound that features a convenient one-to-one by volume mix ratio (no scale necessary). It has a low viscosity for easy mixing and pouring . . . vacuum degassing is not necessary. This product cures at room temperature with negligible shrinkage. OOMOO™ 25 has a 15-minute pot life and 75-minute cure time.

For The Novice Mold Maker - OOMOO™ silicones do not have great tear strength. They are good for making simple one or two-piece block molds. If you require a high tear strength silicone, Mold Max™ silicones are recommended.

OOMOO™ 25 is suitable for a variety of art-related and industrial applications including making one and two-piece block molds for sculpture and prototype reproduction, casting plaster, resins and wax. OOMOO™ silicones are also suitable for electrical potting and encapsulation applications.

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