... 5.6Softening point(degree)1683Annealing point1215Defoamation Point1120Useful: Widely used in Medical, Electronics instrument, Scientific research, Optical industry etc About ... quartz rod, quartz plate, gray quartz tube, and so on. And we have further capacity of trim cutting, fire- ... polishing, pinching, and bending, and so on. Your design and drawing are accepted, we can make ...