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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