ASTM D-4236 is a standard developed by the American Society for Testing and Materials that focuses on the labeling of art materials. It aims to ensure that products used in art and craft activities are safe for consumers, particularly children. The standard requires manufacturers to evaluate their products for potential hazards and to provide appropriate warnings on labels. This standard covers various types of art materials, including paints, markers, and adhesives. By adhering to ASTM D-4236, manufacturers help inform users about any risks associated with their products, promoting safer practices in creative activities.