“Conversion to block rubber entails considerable investment in plant and machinery and entails high conversion cost benefitting only the processors margin…. “The block rubber manufactured from latex is generally graded as ISNR 5, which is equivalent to RSS 1 of sheet rubber.
What is a rubber stamp made of?
Rubber stamp. Rubber stamping, also called stamping, is a craft in which some type of ink made of dye or pigment is applied to an image or pattern that has been carved, molded, laser engraved or vulcanized, onto a sheet of rubber. The rubber is often mounted onto a more stable object such as a wood, brick or an acrylic block.