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Plastic Cleaning, Weights and Mold Shapes?

This topic contains 1 reply, has 2 voices, and was last updated by  Dave Hakkens 4 years ago.

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Kylee Gettis makeitreal

Plastic Cleaning, Weights and Mold Shapes?

22/05/2016 at 07:12

QUESTIONS
How clean does the plastic have to be to be reformed?

Do I have to remove plastic labels?

Do I need to remove label adhesive or will that burn off when things are melted?

How big can the mold be for the injector?

How much plastic is typically used in an injector mold?

How much plastic is used making a clip board?

If I add a larger (width) tube to the injection machine can I fill a bigger mold?

If I add longer (height) tube to the injector could I fill a bigger mold?

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warrior
29/05/2016 at 06:55
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How clean does the plastic have to be to be reformed?
Do I have to remove plastic labels?
Do I need to remove label adhesive or will that burn off when things are melted?

Overall the cleaner the plastic the better. –Because each type of plastic has a different melting temperature. It still works if its a bit dirty and contains some sand/paper/labels etc. However we always try to keep it as clean as possible. Better for future recycling. Watch this video for more information about that:

How big can the mold be for the injector?
How much plastic is typically used in an injector mold?
If I add a larger (width) tube to the injection machine can I fill a bigger mold?
If I add longer (height) tube to the injector could I fill a bigger mold?

The size of the mold is based on the amount of plastic that fits inside the barrel. But there isn’t a specific number for this because the smaller you chop your plastic the more that can be injected at once. You could easily scale up the injection machine, in width or length. However do note that you need more pressure to inject the plastic.

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