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Effective Purging Compounds for Clear Lens Molding

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cburkhead
Posts: 4
Joined: Mon Feb 26, 2018 10:23 am

Effective Purging Compounds for Clear Lens Molding

Post by cburkhead » Wed Jan 15, 2020 1:38 pm

We’re finding ourselves frequently pulling the screw to thoroughly clean it before running clear parts (lenses, covers, etc) that have strict aesthetic requirements for black specks. Has anyone found a purging compound that is extremely effective in removing carbonized material from the screw and barrel and would eliminate the frequent cleaning of the screw? Does it also not leave a lot of residue which would cause other issues with aesthetic lenses?

Thanks,
Chris

ch3solutions
Posts: 19
Joined: Tue Feb 27, 2018 9:42 am

Re: Effective Purging Compounds for Clear Lens Molding

Post by ch3solutions » Fri Jan 24, 2020 1:51 pm

We use Asaclean U grade followed by E grade transitioning to clear Polycarbonate. We have had great success with it. For screw pulls or really tough carbon problems we use EX grade then E grade. Below is our Asaclean reps info.

Jeremy Cooley
Technical Sales Representative
Sun Plastech Inc. (Asahi Kasei Group)
Purging Compound
Tel: 864-392-1144
Cell: 864-617-6143
Fax: 864-752-1383

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