"high purity quartz cone"

Conus de quartz fondu de haute pureté résistant aux températures élevées industriel avec angle conique de précision

1. Ultra-High Purity – Zero Contamination SiO₂ purity ≥ 99.99%, premium grades up to 99.999% Extremely low impurity content — no bubbles, no stones No devitrification, volatilization or slagging at high temperatures Material of choice for high-cleanliness processes in semiconductor and photovoltaic ...