Colored glass bottles, with their rich colors, are widely used in scenarios such as beverages, sauces, and decorative storage. Many people think that the brighter the color, the more chemical raw materials are added and the worse the product's safety will be. In fact, this idea is a misunderstanding.
The basic raw materials of glass are easy to process and can be shaped after being melted at high temperatures. Colored glass bottles are colored by adding colorants to molten raw materials. The colorants are completely integrated into the glass body and do not adhere to the surface of the bottle. Under normal use, there will be no situation of pigment shedding or precipitation. The finished glass has a dense structure and strong chemical inertness. When used to hold ordinary beverages, it will not release toxic substances.
However, the production of glass has high requirements for process control. During the melting and forming stage, it is very easy to encounter problems such as bubbles, uneven wall thickness of the bottle, and uneven edges. These issues can cause internal stress and reduce the strength of the glass bottle. To eliminate such flaws, it is necessary to improve equipment, optimize processes and invest a very high production cost. Many factories, weighing the costs, will directly scrap defective glass bottles and prevent them from entering the market.
The prices of glass bottles in the market vary greatly, ranging from a few cents to several yuan. The price gap mostly stems from the precision of the mold, the integrity of the appearance and the manual grinding process. It does not mean that the low-priced products contain toxins. Low-priced and genuine products, also made of safety glass raw materials.
With the development of the industry, manufacturers can customize glass bottles of different colors, sizes and shapes according to customer demands. When consumers make a purchase, they should pay close attention to whether the product has obvious cracks or a large number of bubbles. By giving priority to choosing products from regular manufacturers, they can use them with peace of mind.