Standard or specification
BNQ 2560-114, Granulats
Bureau de normalisation du Québec
Paid standard that defines the MG-20, MG-56 and MG-112 classes. Cited by number only, never reproduced.
Open the source- Consulted
- October 10, 2026
- Region
- QC
- Language
- fr
- Paid standard
- ✓
Cited by
What we take from it
- The MG-20 class and its gradation envelope are defined by BNQ 2560-114 (paid standard, cited only).