Oil of spearmint - Chinese types (80 % and 60 %) (Mentha viridis L. var. crispa Benth.), redistilled oil Ingestion-build-232773 Black oxide coatings can be

Black oxide coatings can be used to diminish friction between sliding or bearing surfaces or for decorative purposes or to reduce light reflection

The following tables are included in BS EN 62460:

BS ISO 21940‑1:2019 supersedes BS ISO 19499:2007

11 Test report

Milling machines (including boring machines)

Oil of spearmint - Chinese types (80 % and 60 %) (Mentha viridis L. var. crispa Benth.), redistilled oil Ingestion-build-232773 Black oxide coatings can be1 Scope This part of ISO 3033 specifies certain characteristics of the oil of spearmint, Chinese type (80 % and 60 %) (Mentha viridis L. var. crispa Benth.), redistilled oil, in order to facilitate assessment of its quality.