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PS 2138-2025
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Rubber latex — Styrene-butadiene— Determination of bound styrene content
Committee:
Plastics
Sector:
Chemicals and Petroleum
Available Standards
Original Standard
إنجليزي (English)
12
Page
2025
International Classification for Standards (ICS)
| Code | Classification |
|---|---|
| 83.040.10 | Latex and raw rubber |
Adopted Standards
| Standards / Amendment / Corrigendum | |
|---|---|
| 1 | ISO 3136:2023 |
Replacement Sequence
| Replaces |
|---|
| PS 2138-2010 |
Scope
This document specifies a method for the determination of the bound styrene content of styrene-butadiene rubber (SBR) lattices.
The method is applicable to hot (approximately 50 °C) emulsion polymerized SBR lattices having a bound styrene content, expressed on the SBR content, of up to 55 % and to cold (approximately 5 °C) emulsion polymerized SBR lattices having a bound styrene content between 18 % and 40 %.
The method is not applicable to reinforced styrene-butadiene rubber (SBR. .Y) lattices, carboxylic-styrene-butadiene rubber (XSBR) lattices and pyridine-styrene-butadiene rubber (PSBR) lattices.