Durometer Range Suggestions And Physical
Considerations

When researching for a manufacturing project, the right qualifying information will go a long way toward getting you started. To help you make an informed decision on your next polyurethane part order, we have created a chart with suggested durometer ranges for various applications. In conjunction with that, we have listed the physical properties of different durometers that you should consider for each use.

Suggested Durometer Ranges

The following durometer ranges (notated as shore durometers) are matched with a set of physical characteristics that would likely be ideal for the intended application of the finished polyurethane product. Every project is different and will need to be evaluated on a case-by-case basis- but this chart is a good starting point to give you an idea of what to look for.

Index of Physical Considerations

Application Selector

Select Application: Select Application Bumpers Bushings, Cams & Bearings Check Valves Chute & Hopper Liners Clamps Cutting Board Surfaces Drive Rollers Flexible Couplings Gaskets Gears Light Drive Belts Mallet Heads Metal Forming Pads Mounts Printing Rollers Pulley/Sheave Liners Pump Impellers Scraper Blades Seals Stripper Springs Tires & Wheels

Shore "A":

Shore "D":

Physical Considerations:

function populateFields() { var application = document.getElementById("applicationDropdown").value; var shoreA = ""; var shoreD = ""; var physicalConsiderations = ""; switch(application) { case "Bumpers": shoreA = "50A - 80A"; physicalConsiderations = " B: Compression Set\n C: Rebound (Resilience)\n I: Ability To Handle Dynamic Forces\n J: Shock Absorption"; break; case "Bushings_Cams_Bearings": shoreA = "90A"; shoreD = "50D - 70D"; physicalConsiderations = " B: Compression Set\n E: Load Bearing Ability\n F: Chemical/Water Resistance\n G: Heat/Cold Resistance\n H: Frictional Properties\n I: Ability To Handle Dynamic Forces"; break; case "Check_Valves": shoreA = "60A - 90A"; physicalConsiderations = " B: Compression Set\n C: Rebound (Resilience)\n F: Chemical/Water Resistance\n G: Heat/Cold Resistance"; break; case "Chute_Hopper_Liners": shoreA = "60A - 90A"; shoreD = "50D"; physicalConsiderations = " A: Tear Resistance\n D: Abrasion Resistance\n F: Chemical/Water Resistance\n H: Frictional Properties"; break; case "Clamps": shoreA = "60A - 90A"; physicalConsiderations = " B: Compression Set\n E: Load Bearing Ability\n G: Heat/Cold Resistance\n H: Frictional Properties"; break; case "Cutting_Board_Surfaces": shoreA = "90A"; shoreD = "50D - 70D"; physicalConsiderations = " A: Tear Resistance\n C: Rebound (Resilience)\n I: Ability To Handle Dynamic Forces"; break; case "Drive_Rollers": shoreA = "50A - 90A"; physicalConsiderations = " D: Abrasion Resistance\n E: Load Bearing Ability\n F: Chemical/Water Resistance\n G: Heat/Cold Resistance\n H: Frictional Properties\n I: Ability To Handle Dynamic Forces"; break; case "Flexible_Couplings": shoreA = "50A - 90A"; physicalConsiderations = " A: Tear Resistance\n E: Load Bearing Ability\n G: Heat/Cold Resistance\n I: Ability To Handle Dynamic Forces\n J: Shock Absorption"; break; case "Gaskets": shoreA = "50A - 90A"; shoreD = "50D"; physicalConsiderations = " B: Compression Set\n F: Chemical/Water Resistance\n G: Heat/Cold Resistance"; break; case "Gears": shoreA = "90A"; shoreD = "50D - 70D"; physicalConsiderations = "A: Tear Resistance\n D: Abrasion Resistance\n E: Load Bearing Ability\n F: Chemical/Water Resistance\n G: Heat/Cold Resistance\n I: Ability To Handle Dynamic Forces"; break; case "Light_Drive_Belts": shoreA = "60A - 90A"; shoreD = "50D"; physicalConsiderations = " A: Tear Resistance\n D: Abrasion Resistance\n F: Chemical/Water Resistance\n G: Heat/Cold Resistance\n H: Frictional Properties"; break; case "Mallet_Heads": shoreA = "90A"; shoreD = "50D - 70D"; physicalConsiderations = " A: Tear Resistance\n C: Rebound (Resilience)\n J: Shock Absorption"; break; case "Metal_Forming_Pads": shoreA = "70A - 90A"; shoreD = "50D"; physicalConsiderations = " A: Tear Resistance\n J: Shock Absorption"; break; case "Mounts": shoreA = "50A - 90A"; physicalConsiderations = " B: Compression Set\n E: Load Bearing Ability\n G: Heat/Cold Resistance\n J: Shock Absorption"; break; case "Printing_Rollers": shoreA = "20A - 50A"; physicalConsiderations = " C: Rebound (Resilience)\n F: Chemical/Water Resistance"; break; case "Pulley_Sheave_Liners": shoreA = "60A - 90A"; shoreD = "50D"; physicalConsiderations = " D: Abrasion Resistance\n G: Heat/Cold Resistance\n H: Frictional Properties\n I: Ability To Handle Dynamic Forces"; break; case "Pump_Impellers": shoreA = "90A"; shoreD = "50D - 70D"; physicalConsiderations = " D: Abrasion Resistance\n F: Chemical/Water Resistance\n G: Heat/Cold Resistance"; break; case "Scraper_Blades": shoreA = "60A - 90A"; shoreD = "50D - 60D"; physicalConsiderations = " A: Tear Resistance\n D: Abrasion Resistance\n F: Chemical/Water Resistance\n G: Heat/Cold Resistance\n H: Frictional Properties"; break; case "Seals": shoreA = "50A - 90A"; shoreD = "50D"; physicalConsiderations = " B: Compression Set\n F: Chemical/Water Resistance\n G: Heat/Cold Resistance"; break; case "Stripper_Springs": shoreA = "80A - 90A"; shoreD = "50D"; physicalConsiderations = " C: Rebound (Resilience)\n F: Chemical/Water Resistance\n H: Frictional Properties\n J: Shock Absorption"; break; case "Tires_Wheels": shoreA = "60A - 90A"; shoreD = "50D - 60D"; physicalConsiderations = " B: Compression Set\n C: Rebound (Resilience)\n D: Abrasion Resistance\n E: Load Bearing Ability\n H: Frictional Properties\n I: Ability To Handle Dynamic Forces"; break; default: shoreA = "N/A"; shoreD = "N/A"; physicalConsiderations = "N/A"; break; } document.getElementById("shoreA").value = shoreA; document.getElementById("shoreD").value = shoreD; document.getElementById("physicalConsiderations").value = physicalConsiderations; }

Polyurethane Durometer Reference Calculator

The easiest way to understand different urethane measurements is by applying them to things that you are already familiar with. That’s why we’ve put together this polyurethane durometer reference calculator, which gives you everyday items that correspond to different Shore Hardness measurements. Give it a try!