The following chart matches materials to the correct durometer type and model number for testing. If you have additional materials that you would like to confirm type and model for, please contact us and we’ll add them to this list. This selection guide is intended for reference only. Testing methods and durometer types may vary for the materials listed. To ensure the correct durometer Type and Model, send a sample of the material to our facility for a free evaluation.
Samples can be sent to:
Rex Gauge Company, Inc.
1250 Busch Parkway
Buffalo Grove, IL 60089
Swipe left and right over the below table to see all information.
| MATERIAL | DUROMETER TYPE | AVAILABLE MODELS |
|---|---|---|
| Armrests – Hardness | CF | 1600, 2000, DD-4 |
| Aspirin – Hardness | B | All Rex Models |
| Automobile Tire – Hardness | A | All Rex Models |
| Bowling Ball – Hardness | D | All Rex Models |
| Composite Foam – Hardness | CF | 1600, 2000, DD-4 |
| Cork – Hardness | O | All Rex Models |
| Cushions – Hardness | CF | 1600, 2000, DD-4 |
| Dashboards – Hardness | CF | 1600, 2000, DD-4 |
| Door Panels – Hardness | CF | 1600, 2000, DD-4 |
| Epoxy – Hardness | D | All Rex Models |
| Felt – Hardness | A | All Rex Models |
| Fiberboard – Hardness | RR | 1600, DD-4 |
| Fiberglass – Hardness | D | All Rex Models |
| Fibrous Materials – Hardness | B | All Rex Models |
| Flexible Polyacrylics – Hardness | A | All Rex Models |
| Foam – Hardness | OO | 1600, DD-4 |
| Fruit – Hardness | OO | 1600, DD-4 |
| Gasket – Hardness | A | All Rex Models |
| Gym Shoe – Hardness | Asker C | 1600, DD-4 |
| Headrests – Hardness | CF | 1600, 2000, DD-4 |
| Lead – Hardness | D | All Rex Models |
| Leather – Hardness | A | All Rex Models |
| Natural Rubber – Hardness | A | All Rex Models |
| Nitriles – Hardness | A | All Rex Models |
| O-Rings – Hardness | M | 1600, DD-4 |
| Paper Products – Hardness | B | All Rex Models |
| Plastic – Hardness | D | All Rex Models |
| Plastic Specimens – Hardness | M | 1600, DD-4 |
| Plastics, Extremely Soft – Hardness | OO | 1600, DD-4 |
| Plastics, Hard – Hardness | D | All Rex Models |
| Plastics, Medium Hard – Hardness | C | All Rex Models |
| Plastics, Very Soft – Hardness | O | All Rex Models |
| Pool Ques – Hardness | D | All Rex Models |
| PVC – Hardness | D | All Rex Models |
| Roller, Printing – Hardness | A, OO | All Rex Models |
| Roller-skate Wheels – Hardness | B | All Rex Models |
| Rubber – Hardness | A | All Rex Models |
| Rubber, Extremely Soft – Hardness | OO | 1600, DD-4 |
| Rubber, Hard – Hardness | D | All Rex Models |
| Rubber, Medium Hard – Hardness | C | All Rex Models |
| Rubber, Moderately Hard – Hardness | B, DO | All Rex Models |
| Rubber, Soft – Hardness | O | All Rex Models |
| Rubber, Thin – Hardness | M | 1600, DD-4 |
| Seal – Hardness | A | All Rex Models |
| Silicone Sealants – Hardness | OO, OOO | 1600, DD-4 |
| Skateboard Wheels – Hardness | B | All Rex Models |
| Soft Vulcanized Rubber – Hardness | A | All Rex Models |
| Sponge – Hardness | OO | 1600, DD-4 |
| Sugarcane – Hardness | O | All Rex Models |
| Textile Windings, Dense – Hardness | DO | All Rex Models |
| Textile Windings, Low Density – Hardness | 00 | 1600, DD-4 |
| Textile Windings, Medium Dense – Hardness | O | All Rex Models |
| Thermoplastic Elastomers – Hardness | A, B, C, D, DO, O | All Rex Models |
| Thermoplastics – Hardness | C | All Rex Models |
| Thermoplastics, Extremely Soft – Hardness | 00 | 1600, DD-4 |
| Thermoplastics, Rigid – Hardness | D | All Rex Models |
| Thermoplastics, Soft – Hardness | O | All Rex Models |
| Thermosets – Hardness | A | All Rex Models |
| Tissue, Animal – Hardness | OO | 1600, DD-4 |
| Vehicle Seats – Hardness | CF | 1600, 2000, DD-4 |
| Wax – Hardness | A | All Rex Models |
| Wood – Hardness | D | All Rex Models |