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The curing of product can be split into three categories as follows:

Normal - Post - Shock

Normal cures are carried out at room temperature (15oC - 35oC) check in the Advanced Polymer Engineering and Application data sheets.

Post application of high heat ALWAYS AFTER NORMAL CURE AT ABOVE TEMPERATURES has been established.

Shock high heat to early. NEVER apply HIGH HEAT until NORMAL cure AT ambient temperatures has been achieved.

How to Post Cure
Seal the object to be POST CURED from the surroundings as follows:

1. Close all doors and windows etc - if it is a room. Close the gates, valves, hatches, lids etc. - if it is the interior of a piece of equipment. Erect a make shift tent around it, if it is the exterior of a piece of equipment, or use other such techniques as make themselves available.

2. Apply heat in a stepwise manner:

12 + hours @ ambient temperature +

4 hours @ 50oC +

4 hours @ 70oC +

4 hours @ 90oC

Or if you do not have the capability of stepwise heat build up, and have only say 70oC available, then apply this heat for a longer period of time: 24 hours.

Why we need to Post Cure
Post cure energizes the molecules and causes the polymer chains to weave a tighter network via cross-links. All of this increases the heat resistance and chemical resistance of the polymer. Post cure is good for you, though not always required or even justified. So go on a case by case basis or ask your local distributor for more information.
Benefits of Post Cure

Increased performance (10-50% depending on type of post cure and property).

Consider using Post Cure when service temperature or chemical resistance requirements are "Borderline" cases.


Fitness For Purpose Joint Design Surface Preparation Product Mixing
Application Curing Service Conditions Inspection / Touch Up