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EVS 940:2019

Burnt shale for the plastics industry. Specifications and conformity criteria

General information
Valid from 01.10.2019
Base Documents
EVS 940:2019/AC:2020
Directives or regulations
None
Standard history
Status
Date
Type
Name
16.07.2020
Corrigendum
01.10.2019
Main + corrigendum
This Estonian standard is valid for thermally treated oil shale or its mixtures, where the proportion of oil shale is at least 70 % (hereafter burnt shale or BS). Burnt shale is used as a filler material in plastic. Burnt shale consists of clinker material, free lime, dehydrated calcium sulphate and a mixture of partially caked particles of the previously mentioned components and depending on its fineness is divided into the following product classes: — Plastic BS – F — Plastic BS – M — Plastic BS – C. The standard establishes the characteristics, required testing methods and a procedure for the evaluation of conformity of burnt shale.
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