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PTC® Durometer Styles & Types
PTC® Instruments manufactures durometers to meet or exceed ASTM D2240 and offers A2LA accredited calibration services to ISO/IEC 17025 ANSI/NCSL, Z540-1.
Our sales department will help you determine the correct durometer for your application. We offer material testing to determine the correct durometer type and style for your application at no charge.
All Calibration Standards are traceable to the National Institute of Standards and Technology (NIST). Durometer calibration services and reports are provided by PTC Metrology™ and will meet your ISO, ANSI, MIL, DoD, EuroNorm and other international standards including DIN 53505, ISO 868 and ISO 7619.
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DUROMETER TYPES AND SPECIFICATIONS
Durometer Calibration & Repair
If you need to return an instrument for calibration and/or repair, please fill out our
Return Authorization Form
. One of our specialists will email you an RMA number and instructions to send in your unit. Turn around time is usually 3 to 5 days from the date it arrives at PTC® Instruments / PTC Metrology™
(See below for durometer styles and types)
Shore A Scale Durometers
Measure the hardness of EPDM rubber, neoprene, nitriles, polyurethane, printing rollers, silicone rubber, white PVC, thermoplastic elastomers, flexible polyacrylics, wax, felt and leather.
Shore D Scale Durometers
Measure the hardness of acrylic, epoxy, fiberglass, hard rubber, vinyl, cellulose acetate, and other similar materials. ASTM D2240
O Scale Durometers
Measure the hardness of soft printing rollers, nylon, rayon, orlon, artgume, and textile windings.
AO Scale Durometer
This instrument measures the indentation hardness of vulcanized or thermoplastic rubber in low hardness range and cellular rubbers.
B Scale Durometers
Measure the hardness of skate wheels, printing platen, rubber, thermoplastic, and elastomers.
C Scale Durometers
Measure the Hardness of Medium Hard Rubber, Elastomers, and Thermoplastics.
DO Scale Durometers
Measure the hardness of fireproof coatings, slasher beams, Pyrocrete®, and dense textile winding.
E Scale Durometers
E Scale Durometers test the hardness of Medium Density Textile Windings, Soft Rubber, Foamed Elastomers, Wound Threads, Yarn Packages.
OO Scale Durometers
Type OO durometers measure the hardness of polyethylene foam roll, sponge rubber, very soft rubber.
OOO and OOO-S Scale Durometers
Measure Cell Foams, Sponge Rubber, Viscoelastic polymers, Cellular and Gel-Like Materials
Type M Durometers with Stand
This system is designed specifically for measuring small cross section O-rings and thin pieces of rubber (not less than 1.25mm thick).
All PTC® digital durometers include an A2LA/NIST Traceable Calibration Certificate to ISO 17025 from PTC Metrology™
Asker C Scale Durometers
Measure Hardness of Soft Rubber, Sponge, Plastic Foam, Elastomers and similar materials. Asker C Durometers meet both JIS K7312 and SRIS 0101.
Asker F Scale Durometers
Measures the Hardness of Foam Rubber, Urethane Foam and Plastic Foams
Crab and Lobster Shell Durometers
Developed with the Alaska Dept. of Fish and Game and the Canadian Department of Fisheries and Oceans.
Composite Foam Durometer
Amusement Ride Safety Cushions, Vehicle Seats, Dashboards, Headrests, Armrests, Door Panels
Classic Style Durometers
ASTM Type A | B | C | D | OOO | SL | USG | Composite Foam
Ergo Style Durometers
ASTM Type A | B | C | D | E | O | OO | DO
Analog e2000 Durometers
ASTM Type A | B | C | D | E | O | DO
Analog Pencil Durometers
ASTM Type A | B | C | D | DO | O | OO | Asker® C
Model 414 USG Durometer designed for drywall manufacturers in process control.
Foam & Sponge Rubber Durometer
Model 302SL Durometer Measures the Hardness of soft materials such as foam rubber, sponge rubber, cellular material and gel-like materials.
Specific Application Durometers
PTC® manufactures durometers for specific applications such as Racing Tire Durometer, Composite Foam, Drywall, Foam & Sponge Rubber, Crab & Lobster Shells and Renfro Durometer.
DUROMETER REPAIR, CALIBRATION AND CERTIFICATION
Any e2000 Millennium Style Durometer can be made as an "R" designation. The "R" designation specifies a presser foot diameter of 18 Â± 0.5mm (0.71 Â± 0.02in) in diameter, while the spring forces and indenter configurations remain the same. Please specify the "R" Type when ordering. US Patent D436,874