Hello every body
Here are 2 pictures of heavy silver rings cast with ti-research
what are the reason of this problem?
-use cp Investment powder from t-research.
-temp flask tested from 200 to 600 degres celcius
-i think temp melting silver 925 is ok
- melting qith torch flame= total silver= 250 grs
-total each rings = 6 sprues.
-is ti-research casting not appropriate for large piece due to its
fast turning speed?
-The problem is similar with satin cast Kerr investment powder.
-Should i buy a simple depression vacuum machine?
Thank you very much by advance
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