Bottle smooth formed Plastic

Stef

Of course you can do a lot of different things with a smooth formed Plastic Bottle, I made a separate article on the subject.

Materials needed to make a smooth formed bottle

Light weight PET Bottle Template:Wikipedia p

Tools to make a smooth formed bottle

Big pan

Protective glasses (very important for safety)

Protective gloves (very important for safety)

How to make a smooth formed bottle

Unfolding the bottles

1. Take the labels off the bottles.
   
2. Put boiling water in the PET bottles.
3. Tighten the screw cap on the PET bottles.
4. Put the PET bottles in a pan, and heat up so the water in the PET bottles will steam.
5. After a few seconds the heat and the steam will unfold the bottom of the PET bottles.
   

The bottle gets proximately 10% smaller

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  etiquet

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  bottle in pan

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  unfolding

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  WARNING

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  Cool down

WARNING - Only steam the PET bottle for a few seconds, otherwise the screwcap will pop off and the bottle will fold together rendering it useless

Cool down the PET bottles until there is no pressure inside.

Cut the bottle

Now you have a Smooth formed plastic bottle.

• The bottle is smaller

• The surface is smooth formed

• The plastic material is thicker and stronger

• This can have advantages, for some uses

• You can do a lot of thing with a smooth formed bottle such as, solar water disinfection or protective lamp cap

-If you glue reflective material inside you can make a reflector for a camping lamp

3rd world F lamp cap

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