The founders of REX scientific have over 20 years experience working in the field of chemistry, within a number of research laboratories. 

All the founders have obtained a PhD in Chemistry and qualified from a Top 5 UK University Chemistry Department. 
From our vast experience in the laboratory, we fully understand the requirements of the researchers, students, academic staff and the industry itself. 

Please check out the material we use to make our high quality glassware. 

REX scientific glassware is made from borosilicate glass, type 3.3. Its chemical composition and physical properties match the American ASTM standard. REX scientific glassware exhibits excellent properties such as high resistance to the effect of chemicals and sudden change in temperature. 

CHEMICAL COMPOSITION (main components in percentage by weight) 

SiO² 
B2O³ 
Na²+K²O 
Al²O³ 
81% 
13% 
4% 
2% 

RESISTANCE AGAINST 

Water at 98°C 
GB6584 
HGB1 
Water at 121°C 
GB12416.2 
HGA1 
Acids 
GB15728 
Effect of water solution of alkali mixture 
GB6580 
A2 or better 
 

OPTICAL PROPERTIES 

Light absorption (310-220 nm) 
Our site uses cookies. For more information, see our cookie policy. ACCEPT COOKIES MANAGE SETTINGS