Circular letter
Certification Bitumen for road construction

Document
Reference

RBC 54/2026/01

Valid from
21/04/2026
Document type
Circular letter
Applicable to
Certification system
COPRO
Product
Bitumen for road construction TRA 54

What is a COPRO document?

A COPRO document is a regulation, circular letter, regulatory note or similar, of which COPRO is the author and editor.

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