MEMBUAT ICE PACK SENDIRI TANPA BAHAN KIMIA

Ice packs are a cooling/freezing aid for products that require frozen temperatures during storage or distribution. Ice packs, better known as "Blue Ice," are an alternative to dry ice and ice cubes. Ingredients: 125 g starch 750 ml water 35 g salt 1 tbsp vinegar Blue food coloring How to make: Cook all ingredients until thick. Place in a container (plastic or bottle). Store in the freezer until frozen. The ice pack is ready to use. #Icepack #chemicalfree #cooling