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Durometers
Hardness is one of the most significant physical properties of elastomeric compounds. The hardness reflects all, or in part, such other qualities as resilience, durability, uniformity, tensile strength, and abrasion resistance.
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Features
- Meets or exceeds current ASTM D2240 specifications.
- Individual test report included with each instrument.
- Rugged construction, with all working parts totally enclosed.
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Model 306L
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The Model 306-L and 408A Scale Durometers are designed to measure the penetration hardness of rubber, elastomers, and other rubber-like substances such as neoprene, silicone, and vinyl and butyl. It can also be used for soft plastics, felt, leather and similar materials. It is built to meet or exceed American Society for Testing and Materials, Specification D2240-81.
Wherever there is a need for checking and standardizing plastic parts, the models 307-L and 409D can be used. These cover the broad spectrum of industrial, commercial and military areas. The models 307-L and 409D are designed for plastics— polystyrenes, vinyls, Formica, Plexiglas— hard rubbers and phenolic molded materials. These durometers are used for applications which vary from checking the hardness of contact lens blanks to bowling balls.
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The heat-treated, high carbon steel mainspring is precision centerless ground. Each spring is calibrated to the specified tolerances. A special cam arrangement permits a scale deflection of 100 points when the indenter is displaced exactly 0.100".
The non-glare, brushed aluminum dial scale is extended over 240 circular degrees to provide a reading accuracy well within 1% of the calibration curve.
An 8-32 threaded mounting knob at the top of the durometer permits permanent test stand emplacement. Each durometer is provided with a test block of steel which is far more independent of temperature changes than in a plastic block. |
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Test Stands and
Constant Load Weights are
available — Inquire for
information and pricing
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Model 408
With removable mounting
knob which allows comfortable
handheld use or test stand
emplacement.
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Specifications — All Models
Meets or exdeeds current ASTM D2240
Range: 0 to 100 point
Accuracy: ±1 point
Dimensions: 4" H x 2¼" W x 1¾" D
Weight: 6 oz (306/307) —
8 oz (408/409)
Shipping Weight: 2 pounds |
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| For rubber, rubber-like materials and soft plastics |
| Model 306-L |
Durometer with Ancillary Hand (Includes Test block and carrying Case) |
| Model 408A |
Durometer with Ancillary Hand (Includes Test block and carrying Case) |
| Model 401 |
Test Block (Type A) |
| Model CERTDURO |
10-Point NIST Certification |
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| For plastic and all semi-hard and plastic-like materials |
| Model 307-L |
Durometer with Ancillary Hand (Includes Test block and carrying Case) |
| Model 409D |
Durometer with Ancillary Hand (Includes Test block and carrying Case) |
| Model 402 |
Test Block (Type D) |
| Model CERTDURO |
10-Point NIST Certification |
| Pricing and Purchase of Durometers available on Abbeon.com. |
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