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Alja-Safe™

Alja-Safe™ vs. EZ-Spray® Silicone 22EZ-Spray® Silicone 22

Crystalline Silica-Free Alginate

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Key Differences

Product Type
  • Silicone Rubber - Platinum Cure
  • Lifecasting Materials
Mixed Viscosity11,000 cpsVariable
Cure Time45 minutes8 minutes
Shore A Hardness22
ColorTranslucent GreenLight Purple
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 22Alja-Safe™
Product Type
  • Silicone Rubber - Platinum Cure
  • Lifecasting Materials
Mixed Viscosity11,000 cpsVariable
Mix Ratio By Volume1A:1B1 Part Warm Water (80° F / 27° C) to 1 Part Alja-Safe Powder
Mix Ratio By Weight4 Parts Warm Water (80° F / 27° C) to 1 Part Alja-Safe Powder
Pot Life5 minutes5 minutes
Cure Time45 minutes8 minutes
Shore A Hardness22
Specific Gravity1.08 g/cc
Specific Volume25.6 cu. in./lb.26 cu. in./lb.
ColorTranslucent GreenLight Purple
Die B Tear Strength102 pli
Tensile Strength490 psi
Elongation @ Break450 %
100% Modulus49 psi
Shrinkage<.001 in. / in.
Useful Temperature (min)-65 °F
Useful Temperature (max)500 °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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Alja-Safe™

Safe to use Alja-Safe™ is the world’s first alginate that does not contain crystalline silica (a known carcinogen). Alja-Safe™ is perfect for making single-use molds of the face, hands and other body parts. It captures detail better than other alginates, giving you a more accurate reproduction of your original.

Certified Skin Safe - Material is skin safe and certified by an independent laboratory.

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