creasing synthetic paper

[SoggyWinter]

I have a customer job for trifold brochures printed on 135gsm Nakoosa Synaps syntethetic media. My Duplo 646 creaser barely creates a crease at max depth. A baumfolder does better fold/crease, but that media doesn't exactly lay flat. Does anyone have tips for putting folds in synthetic media? thanks.

 

[kilgore]

we have used our knife clamp to press the crease better after scoring and folding ...it helps, but will not make it lay completely flat

 

[bfcprepress]

We have some standard work that uses this type of substrate. For those, we have the stock pre-scored and/or perfed the old fashioned way, letterpress using channel scores.