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Significance and Use
3.1 Zinc oxide is an important rubber compounding material. It is used to activate the organic accelerators to increase the rate of vulcanization and to enhance physical properties. It is also a vulcanizing agent for halogen-containing elastomers.
1.1 This classification system covers the compounding material commercially known as zinc oxide. The types of zinc oxide used in the rubber industry are related to the production process used. Typical chemical and physical properties are included.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D280 Test Methods for Hygroscopic Moisture (and Other Matter Volatile Under the Test Conditions) in Pigments
D3037 Test Method for Carbon Black--Surface Area by Nitrogen Adsorption
D3280 Test Methods for Analysis of White Zinc Pigments
D4075 Test Methods for Rubber Compounding Materials--Flame Atomic Absorption Analysis--Determination of Metals
D4315 Test Methods for Rubber Compounding Material--Zinc Oxide
ICS Number Code 83.040.20 (Rubber compounding ingredients)
UNSPSC Code 13101607(Rubber compound)
|Link to Active (This link will always route to the current Active version of the standard.)|
ASTM D4295-89(2017), Standard Classification for Rubber Compounding Materials—Zinc Oxide, ASTM International, West Conshohocken, PA, 2017, www.astm.orgBack to Top