Rubber Hardness Table

The rubber durometer chart is a scale of measuring the hardness of a rubber material developed by albert shore in the 1920s.

Rubber hardness table.

Thus if you need a rubber or o ring durometer that feels like a running shoe sole review our rubber hardness chart below then pick shore 70a. Generally most rubber materials fall under the rubber durometer scale of shore a. 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. 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. Higher numbers on the scale indicate a greater resistance to indentation and thus harder materials. For example a material with a shore hardness of 95a is also a shore 45d. Shore who developed a measurement device called a durometer in the 1920s.

The durometer scale was defined by albert f. This website is driven by the ping pong community worldwide. Add your own rating. A rubber durometer of shore 70a is the most commonly chosen material hardness for all applications.

While other scales exist there are three commonly used shore scales in the rubber and plastics industry. Tires are manufactured in a rubber plant and the process consists of mixing a variety of chemicals into a large rubber block mold. The durometer hardness specifically measures an elastomer s resistance to indentation. Lower numbers indicate less resistance and softer materials.

Shore a medium range shore d very hard range and shore oo very soft range. While the rubber is used in the sport of table tennis the hardness value is just for the sponge. 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. The most effective way.

The shore durometer is a device for measuring the hardness of a material typically of polymers elastomers and rubbers. Hardness may be defined as a material s resistance to permanent indentation. The harder the sponge is the more speed it will give. A chart showing general hardness comparisons is below.

The shore 00 hardness scale measures rubbers and gels that are very soft. The below chart shows the durometer of many common items so if a durometer guage is not available please use this as a guide.