Why not paper straw
As a borosilicate C.E.T 3.3 glass tubing and rods manufacturer and supplier,we attach great importance to supply eco-friendly products, from raw material,production to the final finished process. Borosilicate glass drinking straw is a good example of being eco-friendly wholly. In order to meet our clients' various demands,we customized and designed for the above glassware items for European markets.With the ban of paper straw in United Kingdom market, we believe more and more countries in EU will follow UK's policy. In short our glass drinking straw is not eco-friendly, but also healthy and durable economical products,a wide variety of designs can be made by our team and 14 colors as well.
Physical properties of our borosilicate glass tubing/rods.
SiO2,80±0.5%, plus B2O3,13±0.2%, plus Al2O3,2.4±0.2%
Chemical properties of our tubing
CTE at 20°C/300°C is 3.3±0.1 (10-6K-1)
Transformation temperature is 525±15°C
Softening point is 820±10°C
Melting point is 1260±20°C
Hydrolytic resistance at 98°C meets ISO719-HGB1
Hydrolytic resistance at 121°C meets ISO720-HGA1
Acid resistance class meets ISO1776-1
Alkali resistance class meets ISO695-A2