Modeling Boards

USG Rayite 100 Machinable Media

Rayite 100 Machinable Media is a new mineral-based material developed by United States Gypsum Company for prototyping, moldmaking, tape proofing, models and tooling aids.

  • Low abrasion and friction causes less tool wear.
  • Ability to cast in any shape means less waste and increased versatility.
  • Mineral-based, non-combustible, non-toxic formula offers safemixing and casting.
  • Ease of use means you just mix with water. ▪ High quality surface reduces surface prep time and patching.
  • Dimensional stability provides a shield against wide swings in temperature and humidity conditions.
  • Unique formulation results in dust-free milling.
  • No special handling of shavings and waste means easy clean up.

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