What is the difference between a bladder treatment and a "bladder start-up lubricant or coating"?

A bladder treatment is a special coating that is applied to a new bladder before it is fitted into a press and once cured onto its surface is designed to last the life of the bladder; its function is to protect the bladder against chemical and abrasive attack during its service life, this leads to an increased bladder life.

A bladder “start-up lubricant” is a coating that is applied to a new curing bladder prior to it being installed in a press to help provide additional slip to reduce slip related defects during the first few tires cured on it. Typically these “start-up lubricants” will survive on the surface of the bladder for a limited amount of cycles; however, they do not provide any protection against chemical and abrasive attack.

A brand of Freudenberg.
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