ASTM-D1076:2010 Edition

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D1076-10 Standard Specification for Rubber-Concentrated, Ammonia Preserved, Creamed, and Centrifuged Natural Latex

Published By	Publication Date	Number of Pages
ASTM	2010	13

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Categories: 83.040.10 - Latex and raw rubber, ASTM

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Description

ASTM D1076-10

Historical Standard: Standard Specification for Rubber-Concentrated, Ammonia Preserved, Creamed, and Centrifuged Natural Latex

ASTM D1076

Scope

1.1 This specification covers requirements for first grade concentrated natural rubber latex (see Table 1) of the following categories:

Category 1Centrifuged Hevea natural latex preserved with ammonia only or by formaldehyde followed by ammonia.

Category 2Creamed Hevea natural latex preserved with ammonia only or by formaldehyde followed by ammonia.

Category 3Centrifuged Hevea natural latex preserved with low ammonia with other necessary preservatives.

Category 4Centrifuged, or centrifuged and creamed, guayule latex, or other natural rubber latex, containing less than 200 µg total protein per gram dry weight of latex, with ammonia or other hydroxide, with other necessary preservatives and stabilizers.

Category 5Centrifuged Hevea natural latex treated with aluminum hydroxide or by other means, preserved with ammonia only or by formaldehyde followed by ammonia containing less than 0.5 % non-rubber content.

1.2 This specification is not necessarily applicable to latices prepared or preserved by other methods, and shall not be construed as limiting the desirability or usefulness of other categories of latices. It does apply to natural latex sources other than Hevea brasiliensis but does not apply to compounded latex concentrates.

1.3 The analytical procedures applicable to the specifications are included and appear in the following order:

Keywords

Acidity, alkalinity, pH–rubber materials/applications; Boric acid content; Coagulum content; Density–rubber; Dry rubber content; Fatty acids content; KOH number; Mechanical stability; Natural rubber (NR) latex–specifications; Rubber–specifications; Sludge; Solids content; Viscosity–rubber; Volatile fatty acids content

ICS Code

ICS Number Code 83.040.10 (Latex and raw rubber)

DOI: 10.1520/D1076-10

PDF Catalog

PDF Pages	PDF Title
1	Scope Referenced Documents
2	General Specification Requirements Significance and Use Inspection Preparations for Sampling Sampling Total Solids TABLE 1
3	Dry Rubber Content Protein Content Total Alkalinity
4	Viscosity
5	Sludge Content Coagulum Content KOH Number
6	Determination of pH Mechanical Stability
7	Copper and Manganese Scope Definition Conversion of Units Summary of Method Apparatus Procedure
8	Calibration of Density Bottle Calculation Summary of Method Apparatus Calibration of Volumetric Flask Procedure Calculations
9	Definition Apparatus Reagents Procedure Calculations
10	Boric Acid FIG. 1
11	Dry Films Precision and Bias
12	X1. TABLE X1.1 TABLE 2

Additional information

Standard Title	D1076-10 Standard Specification for Rubber-Concentrated, Ammonia Preserved, Creamed, and Centrifuged Natural Latex
Published Code	ASTM
Publication Date	2010
Pages Count	13
ICS Codes	83.040.10 - Latex and raw rubber