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  • Gray Green Medium
  • Gray Green Firm
  • Natural Soft
  • Natural Medium
  • Natural Firm
  • Gray Green Soft
  • 2 lb.
  • 1 lb.


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Sulfur-free proto typing modeling material, designed to replace Kleen Klay and Roma Plastalina. For model making, sulpting, mold construction and work requiring non-hardening, resuable, selfadhering ultra smooth clay. Unlike the materials it replaces, Protolina contains no sulfur or sulfates making it ideal for use with silicon type mold compounds. Protolina is available in three firmnesses and two colors. Natural white is available in 1 lb. bars and gray green is available in 2 lb. bars

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Product Questions and Answers

I'm working on a full-size Wild Boar's Head and think I need about 50 lbs. of clay to get the job done. What would be the best non-hardening clay to use?

- Asked by Ralph Thompson on 12-Apr-14

The Protolina Clay by Van Aken is a non-hardening clay appropriate for the project.

- Answered by MisterArt on 15-Apr-14

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