Standard Specification for Natural Rubber (NR) Technical Grades
NORMA vydána dne 1.6.2020
Označení normy: ASTM D2227-96(2020)
Datum vydání normy: 1.6.2020
Počet stran: 2
Přibližná hmotnost: 6 g (0.01 liber)
Země: Americká technická norma
Kategorie: Technické normy 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)