Rubber Hardness Table

Hardness may be defined as a material s resistance to permanent indentation.

Rubber hardness table.

The below chart shows the durometer of many common items so if a durometer guage is not available please use this as a guide. The durometer hardness specifically measures an elastomer s resistance to indentation. This website is driven by the ping pong community worldwide. The most effective way.

Tires are manufactured in a rubber plant and the process consists of mixing a variety of chemicals into a large rubber block mold. A chart showing general hardness comparisons is below. A vital sponge characteristic is the level of hardness of it. The durometer scale was defined by albert f.

The shore durometer is a device for measuring the hardness of a material typically of polymers elastomers and rubbers. The harder the sponge is the more speed it will give. The shore 00 hardness scale measures rubbers and gels that are very soft. The shore a hardness scale measures the hardness of flexible mold rubbers that range in hardness from very soft and flexible to medium and somewhat flexible to hard with almost no flexibility at.

While other scales exist there are three commonly used shore scales in the rubber and plastics industry. Shore who developed a measurement device called a durometer in the 1920s. A rubber durometer of shore 70a is the most commonly chosen material hardness for all applications. Lower numbers indicate less resistance and softer materials.

Rubbers by highest sponge hardness rating view users ratings and reviews of table tennis equipment to compare products and find the right rubber blade or racket to fit your playing style. Several batches of tires typically form with different grades of hardness within the same batch due to varying pounds and measures of the chemicals added to the mix. Durometer measures the hardness in polymers elastomers and rubbers. The rubber durometer chart is a scale of measuring the hardness of a rubber material developed by albert shore in the 1920s.

For example a material with a shore hardness of 95a is also a shore 45d. Durometer conversion chart mechanical rubber approximate hardness value to be used as a guide type extra soft soft chewing gum medium soft pencil eraser medium hard windshield wiper blade hard skate wheel extra hard bowling ball shore a rubber soft plastic polyurethane 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100. Shore a medium range shore d very hard range and shore oo very soft range. Higher numbers on the scale indicate a greater resistance to indentation and thus harder materials.

While the rubber is used in the sport of table tennis the hardness value is just for the sponge. Buy ping pong rackets and paddles online.