ASTM D 1076 : 2015 : REDLINE現行
Standard Specification for Rubber—Concentrated, Ammonia Preserved, Creamed, and Centrifuged Natural Latex
出版：American Society for Testing and Materials
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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.
