What is another name for Type I gypsum product?
Explanation
Type I gypsum is commonly referred to as impression plaster, whereas Hydrocal is known as Class I stone, Densite as Class II stone, and model plaster is used specifically for making models.
Type I gypsum is commonly referred to as impression plaster, whereas Hydrocal is known as Class I stone, Densite as Class II stone, and model plaster is used specifically for making models.