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ASTM D1076-14
Standard Specification for Rubber—Concentrated, Ammonia Preserved, Creamed, and Centrifuged Natural Latex
Automaticky preložený názov:
Štandard Specification pre Guma & ndash koncentrovanej, čpavok zachovalé, smotanou a odstredí prírodného latexu
NORMA vydaná dňa 1.7.2014
Informácie o norme:
Označenie normy: ASTM D1076-14
Poznámka: NEPLATNÁ
Dátum vydania normy: 1.7.2014
Kód tovaru: NS-16252
Počet strán: 13
Približná hmotnosť: 39 g (0.09 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
Kategórie - podobné normy:
Anotácia textu normy ASTM D1076-14 :
Keywords:
ICS Number Code 83.040.10 (Latex and raw rubber)
Doplňujúce informácie
| Significance and Use | ||||||||||||||||||||||||||||||||||||
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4.1 This specification denotes limits on the 4 categories of latex as defined in the scope and defines the test methods to use for the specified properties. These test methods may be used for production control or for referee purposes. |
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| 1. Scope | ||||||||||||||||||||||||||||||||||||
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1.1 This specification covers requirements for first grade concentrated natural rubber latex (see Table 1) 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 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. 1.2 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:
1.4 The 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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| 2. Referenced Documents | ||||||||||||||||||||||||||||||||||||
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