alfa cast 40

It’s a particularly resistant gypsum with a great absorbing power and with a very low setting expansion. It is indicated in the ceramic sector for the production of casting and lathe molds.

  • Water / powder ratio 100 / 220
  • Working time 15 min.
  • Setting time 25 min
  • Linear setting expansion 0,12%
  • Flexural strength 7 N/sqmm
  • Compression strength 20 N/sqmm

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