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BS 6057-1.2:1990

BS 6057-1.2:1990

Current

Current

The latest, up-to-date edition.

Rubber latices. Specification and coding Specification for evaporated, preserved natural rubber latices

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

08-31-1990

Publisher

British Standards Institution

NO CONTENTS SECTION

Provides specifications for natural rubber latex concentrate which has been concentrated by evaporation, but not by centrifuging or creaming, or to latices from natural sources other than Hevea brasiliensis, or to compounded or vulcanized latex. Specifies requirements for evaporated natural rubber latex concentrates of NR latex, type HA, KHS and KLS.

This International Standard gives specifications for natural rubber latex concentrate which has been concentrated by evaporation. It does not apply to natural rubber latex concentrates which have been concentrated by centrifuging or creaming, or to latices from natural sources other than Hevea brasiliensis, or to compounded latex or vulcanized latex.

This International Standard covers requirements for evaporated natural rubber latex concentrates of the following types:

NR latex, type HA evaporated: Evaporated latex concentrate preserved with ammonia only or with ammonia together with other preservative(s), with an alkalinity of at least 0,60 % (m/m) with respect to the latex.

NR latex, type KHS evaporated: Evaporated latex concentrate preserved with potassium hydroxide and having a nominal total solids content of 73 % (m/m).

NR latex, type KLS evaporated: Evaporated latex concentrate preserved with potassium hydroxide and having a nominal total solids content of 68 % (m/m).

Committee
PRI/50
DevelopmentNote
Also numbered as ISO 2027 Supersedes 90/36492 DC (09/2005)
DocumentType
Standard
Pages
8
PublisherName
British Standards Institution
Status
Current
Supersedes

BS 6057-2:1987 Rubber latices Sampling
BS 6057-3.3:1990 Rubber latices. Methods of test Determination of alkalinity of natural rubber latex concentrate
BS 6057-0:1981 Rubber latices General introduction
BS 6057-3.1(1990) : 1990 RUBBER LATICES - METHODS OF TEST - DETERMINATION OF MECHANICAL STABILITY OF NATURAL RUBBER LATEX CONCENTRATE
ISO 7780:1998 Rubbers and rubber latices Determination of manganese content Sodium periodate photometric methods
ISO 8053:1995 Rubber and latex Determination of copper content Photometric method
BS 6057-3.4(1990) : 1990 RUBBER LATICES - METHODS OF TEST - DETERMINATION OF DRY RUBBER CONTENT OF NATURAL RUBBER LATICES

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Hardcopy - English
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