Light on the electromagnetic spectrum can be divided into two categories: invisible and visible. Ultraviolet light is a general term for radiation in the electromagnetic spectrum with a frequency of 750PHz ~ 30EHz, corresponding to a wavelength of 400nm ~ 10nm in vacuum, which is invisible light. UV radiation is made up of three different wavelengths, UVA, UVB, and UVC.

The sun's harmful UV rays can damage our skin cells in the same way they degrade the chemistry of skin care products. Therefore, preventing UV damage is an issue that must be of concern to corporate investors who invest in light-sensitive products.

In this article, we'll delve into how different types of containers differ in terms of protective performance, and hopefully, this knowledge will guide you in choosing the best packaging container for your business.

Protective effect of natural glass bottle

The scientific principle of glass bottle oxidation is closely related to the wavelength of light, which is measured through the electromagnetic spectrum. Wavelengths are measured in nanometers, and 1 nanometer (nm) is equivalent to a billionth of a meter. The wavelength of ultraviolet light emitted by the sun is between 10 and 400 nanometers. The wavelength of light we can see with the naked eye ranges from 400 nanometers to 780 nanometers.

Amber or brown: Amber glass resists light wavelengths in the range of 10 nm to 400 nm and is the best choice for absorbing and blocking ultraviolet radiation, commonly used to protect products that are prone to deterioration or fading when exposed to light.

Transparent: does not directly damage the integrity of essential oils. However, these bottles do not provide any light protection. Clear glass is not the best choice for essential oils that break down easily due to oxidation or are used slowly (i.e. fewer drops per use).

Blue or cobalt blue: Like amber glass, blue glass can provide a moderate degree of protection to the contents by absorbing ultraviolet light. Because some blue light can still be penetrated, it is not as protective as amber glass.

Green: Green glass bottles offer relatively limited UV protection compared to amber or cobalt blue glass bottles. However, it still has some effect on the blocking of visible light.

Get creative with custom glass bottles

As we said before, clear glass jars do not provide any shading. Some colored glass jars, such as cobalt blue glass jars and green glass jars, can filter some types of visible light, but they cannot completely filter invisible light such as ultraviolet light. However, for aesthetic requirements and brand concept, many companies need to customize the glass bottles to display their products, in order to avoid ultraviolet interference, you can choose to spray pigments, add anti-ultraviolet inhibitors, use chemical technology, absorb the ultraviolet rays in the sun, to reduce the transmission rate of ultraviolet rays, to achieve the purpose of anti-ultraviolet radiation.

 

To learn more about choosing the best-stained glass for your next UV protection project, contact a sales representative at Guangzhou Panyue Packing Co., Ltd. to schedule a detailed 15-minute consultation. We will help you make the best choice for you based on UV protection, brand, and budget.