gwydr soda a gwydr borosilicate

Usually,  soda glasses are more tranparent and with thicker basement(from5mm-25mm). 

Mae eitemau soda yn drymach na sbectol borosilicate, ond ni all sbectol soda wrthsefyll

sudden tempreture change.  Times of sudden change may  break or crackle soda glasses, moreover, tempered soda glasses are more stronger.

Borosilicate glasses are made of boro pipes. Boro glasses are heat-resistant.  Tempered boro glasses can be into microwave.  Most of boro items are lighter, but less of  streamlines ,  bubbles and other impurities.