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Do All Sunglasses Have BPA?

------Not all sunglasses contain BPA

which has something to do with the raw materials used in the manufacture of sunglasses.

March 28, 2023

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YOOSUNGLASSES is a professional sunglasses manufacturer from China. 

They have produced BPA-free sunglasses series products. YOOSUNGLASSES has 8+ years of experience in producing BPA-free sunglasses.

1. What is BPA?

Bisphenol A, also known as BPA, is an organic compound with the molecular formula C15H16O2.

2. Common BPA material products

BPA is a commonly utilized industrial compound worldwide. Its primary usage includes production of various polymer materials such as polycarbonate(PC), epoxy resin, and polysulfone resin. Additionally, it can be found in the production of other chemical products like plasticizers, flame retardants, and pesticides.

BPA is commonly added to plastic products during manufacturing to provide features such as transparency, durability, lightweight and impact resistance. This is particularly beneficial for preventing acidic vegetables and fruits from corroding metal containers from the inside. Consequently, it is widely used in the production of food and beverage packaging, baby and water bottles, sealants for dental fillings, eyeglass lenses, and various other everyday products.

3. Application fields of BPA materials

Its usage dates back to the 1960s for creating plastic bottles, sippy cups, and lining the interiors of food and beverage cans. BPA can be found in a wide range of products, including mineral water bottles, medical equipment, and food packaging.

27 million tons of plastic containing BPA are produced globally each year. BPA has been linked to endocrine disorders, cancer, obesity, and fetal and child health risks. The European Union has banned the production of baby bottles containing BPA since March 2, 2011, due to concerns about precocious puberty.

4. BPA restriction regulations in various countries

(1) Canada

On October 18, 2008, Canada categorized BPA as a toxic chemical substance, making it the first country to do so. The use of BPA in the production of baby bottles was subsequently banned. 

(2) United States

In March 2009, a proposal was made to prohibit the use of BPA in reusable and other food containers. The ban was implemented 180 days after it was passed.

(3) China

On May 30, 2011, the Ministry of Health and six other departments made an announcement prohibiting the use of BPA in infant feeding bottles due to potential food safety risks and to protect the health of sensitive groups such as infants and young children.

(4) Sweden

The Swedish Code released regulation SFS 2012:991 in March 2013, which forbids the use of BPA in food packaging coatings and coatings for children under 3 years old. The regulation also updated the Food Regulations 2006:813 and will be effective from July 1, 2013.

5. Alternatives to BPA PC: Characteristics and main application scenarios of BPA-free materials

With the restrictions on BPA materials in various countries, BPA-free PC have been developed and widely used, gradually replacing BPA materials in production.

BPA-free PC is a copolyester that is not crystalline. Its products have impressive impact resistance, making it ideal for forming thick-walled transparent products. This material can be shaped in any way the designer intends, and its processing and forming abilities are top-notch. Additionally, BPA-free PC can be conventionally processed and machined to achieve the desired finish.

BPA-free materials are frequently utilized in food contact items, with a particular focus on the baby product industry, including baby bottles, toddler cups, and tableware bowls. Additionally, these materials are used in household utensils, like coffee pots and crispers, as well as space cups. They are also currently being used in the production of optical lenses, electronic cigarette holders, high-end electrical appliances, and other products, with additional applications in development or already in mass production.

6. The application of BPA-free materials in the eyewear industry, the main promotion countries: the United States, Europe

BPA-free materials are popular in the eyewear industry due to their excellent performance. The most used model currently is TRITAN PCTC TX1001. This material doesn’t have BPA in the production process or release it during use. It meets environmental protection requirements and FDA standards. Its appearance is clear and transparent with a crystal-like luster. It also has food-grade high temperature resistance. Manufacturers widely use it due to its high reputation and popularity.

7. The price of BPA-free sunglasses

In the past few years, due to the lack of suppliers of BPA-free PC raw materials in the world, the price has remained high, which has discouraged many downstream product manufacturers, and has always been hesitant to choose between PC and BPA-free PC. In recent years, with the gradual increase of suppliers of BPA-free PC raw materials on the market, the competition is fierce, and the price of materials has dropped a lot. For downstream suppliers, the production cost has been reduced a lot. Feedback to the eyewear industry, the price of BPA-free PC sunglasses It has also become no longer unattainable, gradually applicable to the majority of consumers, and widely recognized by major eyewear buyers.

8. YOOSUNGLASSES BPA-free Sunglasses Best Selling Style Recommendations

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