How-To: “Plastic” from Expired Milk

Food & Beverage
How-To: “Plastic” from Expired Milk

Jie Roe learned to make a moldable, plastic-like material from expired milk:

This home-made plastic is hardly a replacement for real plastic, but it’s a fun experiment to do with your friends or kids. The chemical reaction is based on the fact that casein is generated from milk and vinegar with some heat. It is quick and easy, and it will be fun for everyone!

4 thoughts on “How-To: “Plastic” from Expired Milk

  1. OnePrettyThing says:

    I was gagging as I read this but WOW- I love it! This is amazingly creative.

  2. sobachatina says:

    You know- they have a name for “plastic-like material formed from casein extracted from milk”.
    They call it “cheese” :)

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Becky Stern is a Content Creator at Autodesk/Instructables, and part time faculty at New York’s School of Visual Arts Products of Design grad program. Making and sharing are her two biggest passions, and she's created hundreds of free online DIY tutorials and videos, mostly about technology and its intersection with crafts. Find her @bekathwia on YouTube/Twitter/Instagram.

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