– This test is to ensure that steam does not enter the hollow tools (HOLLOW) or tools with small holes.

– Interster Helix test system has a PCD (Process Challenge Device) ideal for strictly simulating the entry of steam into hollow tools.

– In accordance with EN867-5 and EN-ISO11140-1

– Ability to easily interpret the result from the Helix test indicator strips

– Contains non-toxic ink and thus no negative impact on tools

– Adhesive on the back of the marker strips for easy archiving of results

– Number in each package: one PCD

– One hundred test strips