This specification covers high-reactivity pozzolans for use as a mineral admixture in portland cement concrete and mortar to fill small voids and/or where pozzolanic action is desired. High-reactivity pozzolans are microsilica products with a particle size typically one to two orders of magnitude smaller than portland cement. These materials are usually supplied in undensified or densified dry form. If the material is supplied in a densified form, the tests should be performed on the as-collected undensified material before being processed into densified form.
This standard is not intended for specifying silica fume. It is recommended that M 307 or ASTM C 1240 be used for that purpose.
- Published:
- 2004
- Number of Pages:
- 6
- File Size:
- 1 file , 1.7 MB
- Product Code(s):
- M321-04-UL, M321-04-UL, M321-04-UL
- Note:
- This product is unavailable in Ukraine, Russia, Belarus
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