I am looking for a polypropylene as clear as possible. The minimum possible haze. Do you have any suggestion?
Good Answers (1)
1. Choose a PP random copolymer
2. Check new Borstar PP technology from Borealis >> Borclear
3. Otherwise, you can use clarifying additives as Millad 3988 from Milliken or NA21 from Asahi Denka (slightly better upon my experience and less hygroscopic)
regards
Links:
Clarification added 1 month ago:
sorry. I forgot to tell you that other additives present in the PP (stearates, hydrotalcite, some lubricants...) have a negative influence on transparency. You must always check the whole formulation
More Answers (4)
Check this link out..
http://www.polymirae.com/eng/product/newproduct_sheet.html?item=114
Perhaps you should be considering why you need to use Polyproylene, its basically made from oil and therefore not good environmentally and price will increase as oil increases.
Can't you rengineer product to use a recycled material of some sort?
David l. F
Consultant Consumer Products Mktg/Dev. But also now looking for right full time position with a great team!
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Suppliers for medical market usually have access to the best PP clarifiers. If I remember the best additives made to enhance PPclarity are made by Milliken chemical these days. You might want to contact them.
I would consider a low melt flow PP (4 or lower)
