HK series investment powders

الوصف

Features: 1、The casting mold can bear temperature as high as **0oC(***6oF)~**0oC(***2oF), and has high thermal shock resistance. It can be used in precision casting of noble metal with melting temperature under ***0oC 2、The investment contains oxidation-resisting microcrystals. It prevents casting surface from oxidizing during high temperature melting metal pouring in. 3、Applicable in up to *4karat gold added high temperature alloy (such as palladium), silver alloy superior line of jewelry casting. 4、Mold cavity duplicates are highly clear and accurate; the casting surface is extremely smooth, no any “male-female face”. 5、Automatically collapsed when dip into water, easy to pattern drawing.