The mall is specialized in the production and sales of high-purity experimental products for "scientific research institutes, universities and other" scientific research institutions and laboratories. When purchasing high-purity industrial products for production in non low-cost factories, relatives should buy them according to their own actual use to avoid "claiming" that they can also enter the laboratory as experimental products and the same industrial production products, which will affect the accuracy and accuracy of experimental results.
Customize quartz test tubes of various specifications. Please tell the customer service personnel the size you need.
20-200mm (5) in the option is equivalent to 5 quartz flat mouth round bottom test tubes with diameter of 20mm, length of 200mm and quantity. Other specifications in the option also mean the same.
Note: there are other regulations in the store
Characteristics of quartz test tube: it can be used below 1100 ° C for a long time and below 1450 ° C for a short time. The melting point temperature is close to 1730 ° C.
Good insulation, strong acid resistance (except hydrofluoric acid), visible light transmittance of more than 93% and ultraviolet spectral transmittance of more than 80%.