Pure gum is a full floating natural rubber.
" It also makes a great industrial skirting due to its excellent flexibility and high tensile strength.It resists most organic salts, ammonia, acids, and alkalis. This product is perfect for squeegee applications such as professional window cleaning equipment or machines which clean ice skating rinks. Pure Gum is a great choice for industrial applications which require a very flexible elastomer with great "rebound or bounce back" qualities.