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sklademVydáno: 1981-11-30
BS 4284:1981
Specification for dental impression pastes (zinc oxide type)
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| Označení normy: | BS 4284:1981 |
| Počet stran: | 12 |
| Vydáno: | 1981-11-30 |
| ISBN: | 0 580 12274 3 |
| Status: | Standard |
Popis
BS 4284:1981
This standard BS 4284:1981 Specification for dental impression pastes (zinc oxide type) is classified in these ICS categories:
- 11.060.10 Dental materials
This British Standard specifies characteristics of dental impression pastes, the principal ingredients of which are a base (zinc oxide) and an activator (eugenol or eugenol substitute).
General and specific requirements for consistency, working time, strain in compression, dimensional stability and compatibility with gypsum, for impression pastes comprised essentially of zinc oxide and eugenol or a eugenol substitute.