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Nlgi consistency grades
| Oil glossary |
Simplified system established by the national lubricating grease institute (nlgi) for rating the consistency of grease.
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Established, английский
Установленный
Lubricating, английский
Consistency, английский
- The degree to which a semisolid material such as grease resists deformation. (see astm designation d 217.) sometimes used qualitatively to denote viscosity of liquids.
- That property of a liquid adhesive by virtue of which it tends to resist deformation
- Последовательность
- The ability of a transaction to change a system from one consistent state to another consistent state.
- The desirable property of an estimator whereby the calculated value of a parameter converges upon the true value as the sample size increases.
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Nominal filtration rating, английский
An arbitrary micrometer value indicated by a filter manufacturer. due to lack of reproducibility this rating is deprecated.
Nlgi automotive grease classifications, английский
- Automotive lubricating grease quality levels established jointly by sae, astm and nlgi. there are several categories in two classifications: chassis lubricants and wheel bearing lubricants. quality or performance levels within each category are defined by astm tests.
- Specialty or mult-purpose greases meeting the requirements of astm d-4950 for chassis (category la or lb) or wheelbearing (category ga, gb or gc) can be registered with nlgi and subsequently marked with a trademarked nlgi symbol that shows which performance categories the grease meets.
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