The list of sealing acronyms and abbreviations.

All sealing related acronyms and abbreviations.

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HSN:
Highly Saturated Nitrile(Mechanical sealing, Sealing, Technology)
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IRHD:
International Rubber Hardness Degrees(Mechanical sealing, Sealing)
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IRM:
Industry Reference Material(Mechanical sealing, Sealing, Technology)
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ISPE:
International Society of Pharmaceutical Engineers(Mechanical sealing)
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In:
Inch(Sealing, Mechanical sealing, AIR)
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KN/M:
Kilonewtons Per Meter(Mechanical sealing, Sealing, Technology)
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LOP:
Lip Opening Pressure(Mechanical sealing, Sealing, Technology)
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MDR:
Moving Die Rheometer(Mechanical sealing, Sealing, Technology)
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MPa:
Megapascal(Sealing, Mechanical sealing, Electronic engineering)
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NBR:
Nitrile Butadiene Rubber(Sealing, Mechanical sealing, Polymer)
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NSF:
National Sanitation Foundation(Mechanical sealing, Sealing, Science)
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ODR:
Oscillating Disk Rheometer(Mechanical sealing, Sealing, Science)
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OOR:
Out-Of-Roundness(Mechanical sealing, Sealing, Technology)
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PLI:
Pounds per Linear Inch(Sealing, Mechanical sealing, Forest industry)
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PTFE:
Polytetrafluoroethylene(Mechanical sealing, Sealing, Polymer)
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RA:
Roughness Arithmetic Average(Mechanical sealing, Sealing, Technology)
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RMA:
Rubber Manufacturers Association(Mechanical sealing, Sealing, Motor)
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RPA:
Rubber Process Analyzer(Mechanical sealing, Sealing, Technology)
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RWD:
Radial Wall Dimension(Mechanical sealing, Sealing, Technology)
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RWV:
Radial Wall Variation(Mechanical sealing, Sealing, Technology)
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APASmart Define. (2018). sealing. Retrieved September 25, 2026, from http://smartdefine.org/sealing/abbreviations/r
ChicagoSmart Define. 2018. "sealing" http://smartdefine.org/sealing/abbreviations/r (accessed September 25, 2026).
HarvardSmart Define 2018, sealing, Smart Define, viewed 25 September, 2026, <http://smartdefine.org/sealing/abbreviations/r>.
MLASmart Define. "sealing" 18 January 2018. Web. 25 September 2026. <http://smartdefine.org/sealing/abbreviations/r>