Coating clay involves several steps and can enhance the appearance and durability of your clay project. First, ensure your clay piece is completely dry; this might take a few days depending on its size and thickness. If using air-dry clay, follow the manufacturer’s instructions for drying times. For kiln-fired clay, bake as per the guidelines. Once dried, smooth out any imperfections with fine-grit sandpaper. Next, apply a base coat of gesso or primer if you plan to paint the clay; this helps the paint adhere better. If not painting, skip to sealing. Use a high-quality sealer that suits the type of clay (porcelain, earthenware, stoneware) and the intended use (decorative, functional). Apply the sealer in thin, even layers, allowing each to dry before applying the next. Two to three coats usually suffice. For extra shine, add a layer of varnish or glaze. Always work in a well-ventilated area and follow product safety instructions.

Polypropylene (PP), known for its versatility and cost-effectiveness, is widely used in various applications, from packaging to automotive parts. To enhance its properties, several additives are commonly introduced. Antioxidants are added to prevent degradation from oxygen exposure. UV stabilizers help protect the polymer from sunlight, extending its outdoor life. Flame retardants are incorporated to improve fire resistance, crucial for electrical and construction materials. Impact modifiers improve its toughness, especially at low temperatures, making it suitable for durable goods. Nucleating agents are used to refine the polymer's structure, improving its clarity and mechanical properties. Additionally, plasticizers can be added to increase flexibility, and antistatic agents are used to reduce static electricity accumulation on the surface, important for electronic packaging. Each additive is chosen based on the desired property improvement, ensuring PP meets the specific demands of its end-use application.

The choice of thickener in vegan pudding can significantly affect its taste, texture, and nutritional profile. Among the options, cornstarch stands out as a preferred thickener due to its excellent thickening properties, neutral taste, and wide availability. It's derived from the endosperm of corn kernels, making it a gluten-free and allergy-friendly option for vegans and those with dietary restrictions. Another commendable alternative is agar-agar, a seaweed-derived ingredient, ideal for those seeking a firmer texture akin to gelatin-based puddings. Agar-agar is particularly appreciated in vegan recipes as a gelatin substitute and works well in both sweet and savory dishes. However, for a silkier and creamier texture, blending silken tofu or avocados as part of the base can also achieve desirable results, adding a nutritional boost. Each thickener has its unique advantages, so the best choice depends on the desired outcome and dietary preferences.