Rockwell hardness is the most commonly used method for measuring the hardness of plastics.
Rockwell hardness is a type of indentation hardness that incorporates creep behavior into hardness measurement, taking into account properties such as elastic modulus and recoverability. There are three scales: R, L, and M, with the R scale being the most commonly compared in catalogs, followed by the M scale. The standard specifies an appropriate range of 50 to 115, and it is noted that if the measurement exceeds 100, it is advisable to measure using the next harder scale. For values below HRR50, Rockwell hardness is deemed inappropriate, and it is preferable to choose durometer hardness instead.
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【Features】 ○ Hardness measurement incorporating creep behavior ○ Physical property measurement considering elasticity, recoverability, etc. ○ The standard specifies an appropriate range of 50 to 115 ● For other functions and details, please contact us.
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At DJK, we respond to all customer needs swiftly and accurately under confidentiality. DJK engages in the following activities related to polymer materials and composite materials: 1. Synthesis, polymerization, and modification reactions 2. Compounding, molding, and sample processing 3. Material testing, physical property measurement, and analysis services 4. Technical consulting 5. Defective product failure analysis testing 6. Application and testing outsourcing for overseas standards (FDA/EPA, DMF, biodegradability certification, and others)