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fred sanchez
03-18-2010, 1:11 AM
can you engrave polypropylene ?

Mike Chance in Iowa
03-18-2010, 1:23 AM
If you use the SEARCH feature on this forum, you will find all the answers you need. ;)

Mike Null
03-18-2010, 5:30 AM
Fred

I went to the Synrad applications site and did not find any entries but here is a German site which indicates cutting and marking are good but engraving is iffy.

http://www.eurolaser.com/en/materials/cutting/polypropylene-pp/

fred sanchez
03-18-2010, 11:43 AM
thanks guys

Michael Hunter
03-18-2010, 2:05 PM
For some reason, polypropylene (and polyethylene) don't vapourise well, but melt under the heat of the laser.

You just end up with a puddle of molten plastic and when it's set hard again the "engraving" is barely visible.

For cutting it, you needs lots of power and air-assist to blow away the molten stuff.