COPRO DocumentCertificate fileLaboratory
COPRO is the author of documents listed below.
Certification application for bitumen for road construction
General certification regulations for the product certification in the construction sector under the COPRO mark
Technical prescriptions for bitumen for road construction
Circular Certification bitumen for road construction
Financial system within the framework of the Copro-Mark of conformity
Application regulations for the product certification of bitumen for road construction under the COPRO quality mark