1. Preparation tools
- 1 2L plastic bottle
- 1 glass bottle
- Silver paper
- Tape
- Scissors
- Knife
2. Instructions for making the bottle shell
Step 1: Clean the 2L plastic bottle with soapy water
To remove any dirt inside the bottle, clean it with soapy water. Put some dish soap into the bottle, then add hot water and shake vigorously. Rinse the bottle several times with warm water to clean the soap inside.
Step 2: Cut the neck of the bottle with scissors
Place the blade of your scissors about 3cm below the bottle cap and gently cut around the bottle.
Step 3: Separate the bottle body in half
Push the blade of the knife into the plastic body to separate the bottle body. Hold the scissors with your dominant hand to cut the bottle without cutting your hand. Remove any labels before cutting the bottle.
3. Instructions for making the bottle liner
Step 1: Wrap the glass bottle with silver paper
Rinse the glass bottle with hot water to ensure cleanliness. Cut a piece of silver paper large enough to wrap around the entire bottle. Wrap the silver paper tightly around the glass bottle and secure it with tape.
Wrap 2-3 layers of silver paper around the glass bottle to create insulation and a reflective surface.
Step 2: Secure the top of the bottle shell
Place the top half of the plastic bottle on top of the glass bottle, ensuring the cap is outside the plastic bottle neck. Use tape or a glue gun to secure the plastic bottle and the glass bottle.
Step 3: Secure the bottom part of the bottle shell
Place the glass bottle into the bottom part of the bottle and secure the top and bottom parts with tape. Wrap several layers of tape around the bottle to prevent it from falling off during use.
You have now completed a thermal bottle using the above steps.
If you have any other methods, please share them in the comments below!
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