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Mould Injection Molding Eyeglass Frame
"Crafted with lightweight and highly resilient PP or eco-friendly bio-based and recycled materials, combined with efficient mechanical injection molding, these lightweight and durable sports eyewear frames meet the comfort and protection needs of sports enthusiasts while embracing environmental responsibility and contributing to sustainable development."
I. Eco-Friendly Materials
Eco-friendly materials typically refer to materials made from renewable resources or bio-based materials, with a lower environmental impact during their production process. Common eco-friendly materials used in eyewear frame manufacturing include:
● Bio-Based Plastics: These plastics are generally made from renewable resources such as corn starch, sugarcane, castor oil, and other plant-based materials. Compared to traditional petroleum-based plastics, the production of bio-based plastics reduces reliance on fossil fuels and lowers carbon emissions. Common bio-based plastics include:
● Bio-Acetate: Similar to traditional acetate but made with bio-based acetic anhydride, making it more environmentally friendly.
● Castor Oil-Based Polymers: Polymers made from castor oil, possessing lightweight, flexible, and durable properties.
● Natural Materials: Utilizing naturally occurring materials such as wood, bamboo, and natural rubber. These materials are renewable, biodegradable, and environmentally friendly.
● Wood: Using wood from sustainably managed forests, treated and processed to create eyewear frames with unique textures and aesthetics.
● Bamboo: Known for its rapid growth and high renewability, bamboo is an ideal eco-friendly material. Bamboo eyewear frames are lightweight, strong, and possess a distinct natural beauty.
● Natural Rubber: Derived from rubber trees, it offers good elasticity and abrasion resistance, often used for nose pads or temple tips to enhance wearing comfort.
II. Recycled Materials
Recycled materials are made from recovered waste materials such as plastics and metals, processed and re-manufactured for new applications. Using recycled materials reduces the extraction of virgin resources and lessens environmental pollution. Common recycled materials used in eyewear frame manufacturing include:
● Recycled Plastics: Recycling various waste plastic products, such as PET bottles and plastic bags, through cleaning, shredding, and melting processes to create recycled plastics suitable for eyewear frame production.
● Recycled Metals: Recovering waste metal products, such as stainless steel and aluminum, through smelting and reprocessing to create recycled metals for eyewear frame production. Stainless steel and aluminum are favored for their recyclability, combined with their strength and lightweight properties.
