Whats the best way for PET thermoformed films to be able to stick with PVC laminated surfaces? Right now we are having problems with PET films being unable to stick with PVC laminated surface. Can we do anything on thermoforming machine such as temperature or cycle time changes to help with sticking? or do we need to apply some sort of adhesive to help with sticking.
On the other hand if the base lamination was of PET instead of PVC then would PET thermoformed film would stick with PET laminated surface?
Any suggestions or advice would be greatly appreciated. =]
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