When cleaning acrylic, you need to use a soft cloth dampened with water to wipe, do not use a vegetable cloth or coarse cloth to avoid scratching the acrylic. Acrylic can be wiped with alcohol, but it is recommended to spray it on a soft cloth before wiping. Do not use high-concentration alcohol to avoid fog or cracks on the acrylic. A: If the acrylic has slight scratches, it can be treated with "US NOVUS ". It is a remover, cleaning agent, and maintenance agent. It can wipe off small scratches and make the acrylic back to transparent and bright, but Cannot be used on optical lenses. If the scratches are deep, it is recommended to use a cloth wheel for polishing. A: Acrylic has good weather resistance, and it will not yellow under long-term exposure to UV light, but if the plastic raw material is not 100% new, some recycled materials are added, which will cause acrylic The possibility of yellowing, if yellowing has occurred, it means that it has deteriorated and cannot be treated with cleaning methods. It is recommended to buy it again.