• 1 - The required porosity should be inserted in place of X in the catalogue number, also see page 240. 
• Temperature resistance: + 200°C
• Pressure resistance: -1/+0,5 barg
• Material in contact with product: Borosilicate glass 3.3

mportant: For glass articles which differ from the original shape after further processing, the permissible data must be determined in accordance with the technical rules and regulations.