Does anyone know what injectable material is both optically clear AND flexible?

By mikstew
Published: December 17th, 2011

I am looking to get the most optically clear and strong but flexible material. Similar to what has been employed in "Baby bottle nipples" such as:
http://media.treehugger.com/assets/images/2011/10/silicone-nipple-photo.jpg
I believe this is a silicone based material. However the commercially available silicones I have found are mostly opaque and strongish (such as addition silicone for making molds), or clear and weak (such as encapsulating rubber). This silicone nipple appears to be both strong and clear! What product is it made of?

Yes, I believe the Baby

Yes, I believe the Baby bottle nipples are made out of silicone, because I've seen them on sale on a Memphis classifieds website and it had a description there. The material is actually pretty good, I haven't heard my wife complaining, until now.

You should try contacting

You should try contacting GLS. They make a series of TPE & TPO products that are both clear & flexible, based on Kraton & PP alloys. Some are also FDA & USP VI approved.

Hope this helps

Bill Baskind

TPU

TPU

I also suggest, you should

I also suggest, you should try K-Resin.

flexible PCV

flexible PCV

Most likely this is a liquid

Most likely this is a liquid injection molded silicone.
http://www.dowcorning.com/content/webabstract/ABS_45-1014-01.asp

Mark

I don't know your end use,

I don't know your end use, but there are styrene based polymers that are fairly clear and can be flexible. Check out K-resin, a BDS polymer. Perhaps they already have a grade of resin for that.
After K-resin, then you will need a silicone based resin. I think most silicone based resins are thermosets so they require a machine built for that process.

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