By Rainbow | 03 January 2020 | 0 コメント

FAQ about Glass

1.Can glass bottle be recycled?
Glass is 100% recyclable and can be used again and again.
Glass that is thrown away and ends up in landfills will never decompose.

2.Why glass bottle packaging is becoming more popular?
Glass is made from all-natural raw materials. Other packaging materials, such as PVC, can have negative effects on the health of humans and the environment. Glass is the only packaging material that the U.S. Food and Drug Administration labels as GRAS: "Generally Recognized as Safe."

3.What is borosilicate glass bottle?
Borosilicate glass is a type of glass with silica and boron trioxide as the main glass-forming constituents. Borosilicate glasses are known for having very low coefficients of thermal expansion (≈3 × 10-6 K-1 at 20 °C), making them resistant to thermal shock, more so than any other common glass.

4.How glass bottle are made?
The formula for making glass is as simple as silica sand, soda ash, limestone, and a whole lot of heat. When combined according to centuries-old proportions and melted, the glass that forms from this recipe is known as "water glass."

Silica (sand), soda ash, limestone, and cullet (furnace-ready, recycled glass) are combined into a specific mixture based on the desired properties of the bottle. The mixture is then melted at high temperatures in the furnace until it becomes a molten material(water glass), ready for formation.

5.Are glass bottle better than plastic?
Plastic bottles contain harmful chemicals such as BPA, phthalate, PVC, or polycarbonate.
From the point of view of environmental protection, glass bottles are more environmentally friendly than plastic bottles.

6.Where to buy glass bottle?
Hangzhou Rainbow Packaging CO., Ltd


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