ASTM D2227-96(2015)
Superseded , Reaffirmed Standard
Historical

ASTM D2227-96(2015)

Standard Specification for Natural Rubber (NR) Technical Grades
Most recent standard

Summary

1.1 This specification covers minimum physical and chemical quality requirements or specifications for five grades of raw natural rubber.


Rationale:

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.


Significance and Use:

4.1 The general end-use quality of manufactured rubber products depends on the physical and chemical properties of the rubber.

Technical characteristics

Publisher American Society for Testing and Materials (ASTM International)
Publication Date 01/01/1996
Confirmation Date 09/01/2015
Collection
Page Count 2
Themes Latex and raw rubber
EAN ---
ISBN ---
Weight (in grams) ---

Replaces

Previous versions

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