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ASTM D2227-96(2007)

Заменен
Standard Specification for Natural Rubber (NR) Technical Grades — 2 стр.
Реферат

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.

Область применения

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

ICS
83.040.10 Latex and raw rubber / Латекс и сырой каучук
Сборник ASTM
09.01 Rubber, Natural and Synthetic –– General Test Methods; Carbon Black / Каучук, Натуральный и Синтетический - Общие методы испытаний, Технический углерод
Тематика
Rubber