Thick-walled quartz tube
Sep 06 2010
Specifications ф40-200mm, the SiO2 content ≥ 99.98%, Al, Ca, Mg, K, Na, Ti, Li, Ni, Cu, B, Cr total content ≤ 45ppm. The product has good heat stability, electric insulation performance, transmission …
HS-CODE : 25-