High Purity SiO2 Quartz Crystal Singing Bowl For Melting Gold

Materials:

quartz

Applications:

refractory

Max.temperature:

1450C

classification:

transparent and milky white

SiO2 purity:

99.9%

Density:

2.2(g/cm3)

Degree of hardness moh' scale:

6.6

Melting point:

1732C

Acid tolerance:

30 times than Ceramics , 150 times than Stainless steel

Resistance value:

10000 times than ordinary glass

Annealing point:

1180C

softening point:

1630C