silica crucible for centryfugal casting machine Jewellery casting tools,ceramic crucible,ceramic products for melting platinum

Product Overview

Description

 

............Selected quality quartz as materials combined with advanced ceramic

............processing workmanship mainly used for platinum gold,and other high temp

............alloy melting high purity anti-corrosion anti strong acid and strong alcali

............the main component is Sio2≥99.99 % and other materials (K2O, Na2O Fe2O3)

............less than 0.10 % ,good hardness, compress resistance ≥70MPa, high thermal shock ............resistance,There is no crack eve after hundred sudden heat and sudden cold