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  • ASTM D 1076 : 2015 : REDLINE

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    Standard Specification for Rubber—Concentrated, Ammonia Preserved, Creamed, and Centrifuged Natural Latex

    Available format(s):  PDF

    Superseded date:  30-06-2021

    Language(s):  English

    Published date:  15-12-2015

    Publisher:  American Society for Testing and Materials

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    Abstract - (Show below) - (Hide below)

    CONTAINED IN VOL. 09.01, 2016 Describes requirements for first grade concentrated natural rubber latex of the following categories: Category 1 - Centrifuged Hevea natural latex preserved with ammonia only or by formaldehyde followed by ammonia. Category 2 - Creamed Hevea natural latex preserved with ammonia only or by formaldehyde followed by ammonia. Category 3 - Centrifuged Hevea natural latex preserved with low ammonia with other necessary preservatives. Category 4 - Centrifuged, or centrifuged and creamed, guayule latex, or other natural rubber latex, containing less than 200 [mu]g total protein per gram dry weight of latex, with ammonia or other hydroxide, with other necessary preservatives and stabilizers.

    Scope - (Show below) - (Hide below)

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

    (A)Dry rubber content by definition and use is the acid coagulable portion of latex after washing and drying.
    (B)It is accepted that KOH numbers for boric acid preserved latices will be higher than normal, equivalent to the amount of boric acid in the latex.
    (C)Blue or gray color usually denotes iron contamination caused by improper storage in containers.

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

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

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

    Category 4—Centrifuged, 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 5—Centrifuged 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.

    1.2This 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.

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

    Section

        Sampling

    6 and 7

        Total Solids

    8

        Dry Rubber Content

    9

        Protein Content

    10

        Total Alkalinity

    11

        Viscosity

    12

        Sludge Content

    13

        Coagulum Content

    14

        KOH Number

    15

        pH

    16

        Mechanical Stability

    17

        Copper and Manganese

    18

        Density

    19 – 31

        Volatile Fatty Acids

    32 – 36

        Boric Acid

    37

        Dry Films

    38

        Precision for All Test Methods

    39

    1.4The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

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    Committee D 11
    Development Note Supersedes ASTM D 640. (02/2002)
    Document Type Redline
    Publisher American Society for Testing and Materials
    Status Superseded
    Superseded By

    Standards Referenced By This Book - (Show below) - (Hide below)

    DIN EN ISO 22030:2011-09 Soil quality - Biological methods - Chronic toxicity in higher plants (ISO 22030:2005)
    ASTM D 3089 : 1997 : R2008 Standard Practice for Determining the A-D Dimension of Aerosol Valve Dip Tubes
    ASTM D 3314 : 2002 : R2017 Standard Test Method for Rubber—Chemical Analysis for Polystyrene Blocks In SBR (Styrene-Butadiene Rubber) and Styrene-Reinforced Latices
    ASTM D 4004 : 2006 : R2012 Standard Test Methods for Rubber—Determination of Metal Content by Flame Atomic Absorption (AAS) Analysis
    UNI EN ISO 22030 : 2011 SOIL QUALITY - BIOLOGICAL METHODS - CHRONIC TOXICITY IN HIGHER PLANTS
    ASTM D 4004 : 2006 : R2017 Standard Test Methods for Rubber—Determination of Metal Content by Flame Atomic Absorption (AAS) Analysis
    BS EN ISO 22030:2011 SOIL QUALITY - BIOLOGICAL METHODS - CHRONIC TOXICITY IN HIGHER PLANTS
    ASTM D 3314 : 2002 : R2012 Standard Test Method for Rubber—Chemical Analysis for Polystyrene Blocks In SBR (Styrene-Butadiene Rubber) and Styrene-Reinforced Latices
    MIL A 82569 : 0 ADHESIVE, NEOPRENE BASE, MEDIUM VISCOSITY
    ASTM D 3492 : 2016 : REDLINE Standard Specification for Rubber Contraceptives (Male Condoms)
    ASTM D 1417 : 2016 : REDLINE Standard Test Methods for Rubber Latices—Synthetic
    DIN ISO 22030:2005-11 SOIL QUALITY - BIOLOGICAL METHODS - CHRONIC TOXICITY IN HIGHER PLANTS
    03/116408 DC : DRAFT OCT 2003 BS ISO 22030 - SOIL QUALITY - BIOLOGICAL METHODS - CHRONIC TOXICITY IN HIGHER PLANTS
    NF EN ISO 22030 : 2011 SOIL QUALITY - BIOLOGICAL METHODS - CHRONIC TOXICITY IN HIGHER PLANTS
    NF ISO 22030 : 2005 SOIL QUALITY - BIOLOGICAL METHODS - CHRONIC TOXICITY IN HIGHER PLANTS
    ASTM D 3314 : 2002 : R2006 Standard Test Method for Rubber-Chemical Analysis for Polystyrene Blocks In SBR (Styrene-Butadiene Rubber) and Styrene-Reinforced Latices
    GOST 849:2018 Primary nickel. SpecificationsE
    I.S. EN ISO 22030:2011 SOIL QUALITY - BIOLOGICAL METHODS - CHRONIC TOXICITY IN HIGHER PLANTS
    ISO 22030:2005 Soil quality Biological methods Chronic toxicity in higher plants
    EN ISO 22030 : 2011 SOIL QUALITY - BIOLOGICAL METHODS - CHRONIC TOXICITY IN HIGHER PLANTS
    BS ISO 22030 : 2005 SOIL QUALITY - BIOLOGICAL METHODS CHRONIC TOXICITY IN HIGHER PLANTS
    ASTM D 4004 : 2006 Standard Test Methods for Rubber—Determination of Metal Content by Flame Atomic Absorption (AAS) Analysis
    ASTM D 3772 : 2015 : REDLINE Standard Specification for Industrial Rubber Finger Cots
    ACI PRC-548.3 : 2009 REPORT ON POLYMER-MODIFIED CONCRETE
    ASTM D 1566 : 2015 : REDLINE TERMINOLOGY RELATING TO RUBBER
    ASTM D 3314 : 2002 Standard Test Method for Rubber-Chemical Analysis for Polystyrene Blocks In SBR (Styrene-Butadiene Rubber) and Styrene-Reinforced Latices

    Standards Referencing This Book - (Show below) - (Hide below)

    ASTM D 5712 : 2015 : REDLINE Standard Test Method for Analysis of Aqueous Extractable Protein in Latex, Natural Rubber, and Elastomeric Products Using the Modified Lowry Method
    ASTM D 4483 : 2014-02 PRACTICE FOR EVALUATING PRECISION FOR TEST METHOD STANDARDS IN THE RUBBER AND CARBON BLACK MANUFACTURING INDUSTRIES
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