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CMC (Carboxymethyl Cellulose) - 150 g


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CMC or Carboxymethyl cellulose is used as a glue or binder in many fused glass products.  It is inexpensive, non-toxic and burns relatively cleanly.  CMC works with glass of any COE (coefficient of expansion).

CMC can be used for writing and drawing, or can be extruded through cake decorating tips to create dimensional leaves or other embellishments. We also use CMC with silicon shapes (for chocolate moulds etc) to good effect.

Simply mix with water to get the proper consistency, then add the powder or frit of your choice.

Richard La Londe (who is credited with pioneering this technique - often called liquid stringer - suggests the following recipe for CMC.  Ingredients - 1/4 cup of CMC and two cups of water (distilled if possible).  Boil the water and add CMC slowly to minimise clumping.  Stir until mixed (there will still be lots of clumps at this stage, but this is okay).  Allow the mixture to sit and cool for 24 hours.  The mixture can be thinned by adding water, but cannot be thickened by adding CMC.

As this is an organic gel, it will develop mould if left to sit in a container.  Joseph 2bears suggests adding a tablespoon of isopropyl alcohol (rubbing alcohol) before leaving the mixture to set.  Apparently that stops the mould developing.

  • Model: CMC 100
  • Shipping Weight: 0.12kgs

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CMC (Carboxymethyl Cellulose) - 150 g

CMC (Carboxymethyl Cellulose) - 150 g

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