Column filling SPN copper springs 3.5х3.5mm (500g)

Spiral prismatic packing for distillation and rectification columns.

Made of food grade M1 copper.

Size of springs: 3.5х3.5 mm

Wire thickness: 0.35 mm

Quantity: 500 g

To fill a 1 m high column pipe-trough, you need approximately:

38 mm column tube (1.5") - 1800 grams

51 mm column tube (2") - 3300 grams

76 mm column pipe (3") - 7500 grams

102 mm column pipe (4") - 12900 grams