These funnels are especially useful where filter paper would be attacked by the material being filtered. The disc should not be subjected to pressure differential in excess of 1 atmosphere. The top edge is beaded ,With Removable Vacuum Hose

FRITTED DISC

G1 80-120μm

G2 40-80μm

G3 15-40μm

G4 5-15μm

If you need any other size or other Ground joints,please contact with us

Be Made From G3.3 Borosilicate Glass

Annealing Point ------560℃

Linear Coefficient of Expansion------ 32×10-7/℃

Softening Point------820℃