Quartz glass is a single component of silica glass. This glass hardness can reach seven Mohs grade, high temperature, low expansion coefficient, thermal shock resistance, chemical stability and good electrical insulation performance, and can through ultraviolet and infrared, have good acid resistance to acid.

Mechanical properties

Thermal properties

standard export packing

1.wooden case with foam;

2.plastic air cushion film;

3.paper carton;

4.customized

we can do  neat cutting,burning mouth,bending,sealing,grinding.

Hydroxyl content can be controled less than 20ppm/15ppm/10ppm/5ppm/2ppm jsut according to clients' requirements.

Reply: within one working day

Orders: according to customer requirements, and strictly abide by the agreed date of delivery

After sales service: we promise that if the products have quality problems in strict accordance with the agreement between the two sides

Donghai chongrui technology Co.,Ltd main products are various specifications of quartz glass tube and various non-standard instrument. 
we have the fixed asset for more than 80 million yuan.The factory covers 30,000 square meters. There are 300-500 workers here.the geography position of the factory is superior with convenient transportation. With the advanced equipment,abundant technical,complete measurement detection means and quality control system so that it can supply the high standard high quality products! 
The main products we can produce are as follows:quartz tube,quartz processing(quartz sealing tube,quartz burning mouth tube,quartz beaker,quartz condenser,quartz crucible,quartz plate,quartz rod,quartz sheath,crystal powder ect)