IRHD Hardness Tester

Product Details :

Digital International Hardness Rubber Degree.

Technical Specification

• Digital Gauge Range:- 0.000 to 10.000 mm.
• Resolution :-  0.001.
• Digital Timer : 0 to 60 sec .
• Resolution :- 0 sec.
• Diameter Boll :- 2.50 +/- 0.01 mm.
• Minor force on Ball  :0.29 +/- 0.02
• Major  load  on Ball:- 5.4 +/- 0.01N
• Total force  on Ball :-5.7 +/- 0.03
• The machine have timer  indicater with buzzer.

This test method measures the penetration depth of a rigid ball into the surface of a rubber specimen which is then converted to a hardness scale value (IRHD). On the IRHD scale, "0" represents a material having an elastic modulus of zero and 100 represents a material with an immeasurable elastic modulus Hardness Measuring System.

Test Details

This standard can measure the hardness of vulcanized or thermoplastic rubber. The standard test specimen should be between 8 and 10mm in thickness. Nonstandard specimens can be measured but should be no thinner than 2mm, whereas a micro test can measure specimens between 1.5mm - 2.5mm in thickness.

*Please Note: The information outlined above is to be used as a reference for ASTM D1415 Standard Test Method for Rubber Property-International Hardness and ISO 48 Rubber vulcanized or thermoplastic – Determination of Hardness. Please refer to the appropriate standards agency for full details and the most current revision.

Measures according to DIN ISO 48, ISO 48, ASTM D 1415, BS 903: Part A26.