ASTM D 1076 : 2015 : REDLINE现行
Standard Specification for Rubber—Concentrated, Ammonia Preserved, Creamed, and Centrifuged Natural Latex
出版：American Society for Testing and Materials
专家解读视频
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.
