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Standard Specification for Natural Rubber (NR) Technical Grades
Translate name
STANDARD published on 1.6.2020
Designation standards: ASTM D2227-96(2020)
Publication date standards: 1.6.2020
SKU: NS-997569
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: American technical standard
Category: Technical standards ASTM
This specification covers the minimum physical and chemical requirements for five technical grades of raw natural rubber. Materials are classified into grades according to retained dirt content, ash content, volatile matter content, nitrogen content, initial plasticity, plasticity retention index, color index, and Mooney viscosity. Skim rubber is not permitted in any grade.
Keywords:
natural rubber (NR), technical grade ,, ICS Number Code 83.040.10 (Latex and raw rubber)
Significance and Use | ||||||||||||
4.1 The general end-use quality of manufactured rubber products depends on the physical and chemical properties of the rubber. |
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1. Scope | ||||||||||||
1.1 This specification covers minimum physical and chemical quality requirements or specifications for five grades of raw natural rubber. 1.2 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee. |
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2. Referenced Documents | ||||||||||||
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Latest update: 2024-12-22 (Number of items: 2 217 000)
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