Q. What is a durometer? Is it an instrument or a measurement?
A. It’s both. A durometer is an instrument used to measure hardness and is typically used on polymeric, elastomeric, and rubber materials. Durometer also refers to the hardness result obtained.
There are several scales of durometer, used for materials with different properties. The most common scales are the ASTM D2240 type A and type D scales. The A scale is for softer materials, while the D scale is for harder ones. However, the ASTM D2240-00 testing standard details 12 scales, depending on the material to be tested; types A, B, C, D, DO, E, M, O, OO, OOO, OOO-S, and R. Each scale results in a value between 0 and 100, with higher values indicating a harder material.
Durometer is a dimensionless quantity that offers a comparative value within any particular scale. There is no simple relationship between a material's durometer in one scale, and its durometer in any other scale.
A. It’s both. A durometer is an instrument used to measure hardness and is typically used on polymeric, elastomeric, and rubber materials. Durometer also refers to the hardness result obtained.
There are several scales of durometer, used for materials with different properties. The most common scales are the ASTM D2240 type A and type D scales. The A scale is for softer materials, while the D scale is for harder ones. However, the ASTM D2240-00 testing standard details 12 scales, depending on the material to be tested; types A, B, C, D, DO, E, M, O, OO, OOO, OOO-S, and R. Each scale results in a value between 0 and 100, with higher values indicating a harder material.
Durometer is a dimensionless quantity that offers a comparative value within any particular scale. There is no simple relationship between a material's durometer in one scale, and its durometer in any other scale.
No comments:
Post a Comment