Helix test system

Clear color change, yellow to black
Easy to document, strip sticks completely
System is in conformance with the EN 867-5.

Revolutionary double closed.
100 % Sealed up.
No unsafe and leaking shrinkage system.
Own development.
Completely produced in the Netherlands.

Intelligent indicator 11140-1 class 2.
Stated Values 134ºC - 3,5 minutes
and 121ºC - 15 minutes.

Not reversibel color change
Free from heavy metals