Dyeing a fiberglass lampshade involves a delicate process to ensure the material maintains its integrity while absorbing the new color. Start by cleaning the lampshade thoroughly with a gentle soap and water to remove any dust or oils that could affect dye adherence. Once dry, choose a dye suitable for synthetic materials – polyester-specific or acrylic fabric dyes work well for fiberglass. Prepare the dye according to the manufacturer's instructions. You can apply the dye using a spray bottle for an even coat or dip the entire lampshade if possible, but ensure a uniform application to avoid streaks. Wear gloves to protect your hands and work in a well-ventilated area to avoid inhaling fumes. After applying the dye, let the lampshade dry completely, ideally in a warm, non-humid environment to avoid any dye running. Applying a sealant is optional but can help fix the dye and protect the color from fading over time. Note that dyeing can change the translucency of the lampshade, affecting how light filters through, so consider the desired final appearance when selecting your dye and applying it.

A polymer binder is a substance used in materials science to hold together various components of a composite material, paint, or ink. Acting as the matrix in which other materials are embedded, it provides structural integrity, durability, and influences the physical properties of the end product. These binders can be of different chemical nature, including natural polymers like starch or synthetic ones such as polyvinyl acetate. Their choice depends on the application's requirements such as thermal resistance, flexibility, or waterproofing. Polymer binders are crucial in producing a wide range of products from construction materials like concrete and asphalt, to consumer goods like paper coatings and art supplies. The right binder can dramatically affect the performance, longevity, and appearance of a product.

Two-part epoxy, a strong adhesive made from resin and hardener, has a variable lifespan depending on factors like the type of epoxy, the application conditions, and how it is stored before use. Generally, when stored properly, unopened epoxy can last about 1-2 years. Once mixed, its effectiveness depends on the specific product but typically has a working time of minutes to hours before it cures. After curing, high-quality epoxy can last decades under the right conditions, resisting wear and environmental factors. Environmental exposure, mechanical stress, and the mix ratio can significantly affect the longevity of the bond. For best results, follow the manufacturer's guidelines on use and storage.