ISO DIN ASTM Digital Durometer shore A shore D shore O shore hardness tester
Type | Indenter | Typical Examples of Materials Tested | Hardness values | |
Shore A Hardy D400 | 0.79Truncated (frustum)cone | Soft vulcanized rubber, natural rubber, nitriles, thermoplastic elastomers, flexible polyacrylics and thermosets, wax Wax, felt, and leathers. |
20~90A | |
Shore B Hardy D410 | R0.1Cone | Moderately hard rubber, thermoplastic elastomers, paper products, and fibrous materials. | Above 90A Below 20D | |
Shore C Hardy D420 | 0.79Truncated (frustum)cone | Medium-hard rubber, thermoplastic elastomers, medium- | Above 90B Below 20D | |
Shore D Hardy D430 | R0.1Cone | Hard Rubber, thermoplastic elastomers, harder plastics, and very dense textile windings. |
Above 90 A
| |
Shore DO Hardy D440 | R1.2Spherical radius | Moderately hard rubber, thermoplastic elastomers, and very dense textile windings. | Above 90 C Below 20 D | |
Shore O Hardy D450 | R1.2Spherical radius | Soft rubber, thermoplastic elastomers, very soft plastics and thermoplastics, medium-density textile windings. |
Below 20DO | |
Shore E Hardy D460 | R2.5Spherical radius | Hard sponge, EVA | Above 90DO Below 20 A | |
Shore OO Hardy D470 | R1.2Spherical radius | Extremely soft rubber, thermoplastic elastomers, sponge, extremely soft plastics and thermoplastics, foams, low-density textile windings. |
Below 20 O |