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Enterprises that operate environmentally friendly hydraulic transmission media (emulsified oil, concentrate) products can apply for CMAC mark certification.
1. Environment-friendly hydraulic transmission medium.
Environmentally-friendly emulsified oil for hydraulic supports.
Environmentally-friendly concentrate for hydraulic supports.
Second, according to the standard.
CMAC15-3543101-GF-2022 "Technical Conditions for Environment-friendly Hydraulic Transmission Media".
3. Certification process.
Certification application, preliminary examination and acceptance, technical review and product inspection, factory audit, certificate issuance, post-certification supervision.
Fourth, the division of certification units.
1.Units are divided according to different formula systems;
2.The same formula system is divided into different units according to the applicable water hardness grade: hardness grade 20; Hardness rating 20.
V. Application Requirements.
1) The business license is within the validity period, and the applied product is within the scope of business;
2) Have the production and operation premises and technical capabilities suitable for the applied products;
3) Have a quality management system suitable for the applied product, and operate effectively;
4) Have the production conditions suitable for the applied products, and the equipment and ability to meet the requirements of process control and factory inspection;
5) Have a production process that meets the requirements and carry out effective control.
Sixth, technical indicators.
Appearance, 10 35
Kinematic viscosity (40), mm s
Opening flash point,
Freezing point, pH.
Biodegradability.
Chemical oxygen demand (CODCR), mg L
Total mercury, mg l
Total cadmium, mg l
Total chromium, mg l
Hexavalent chromium, MGL
Total lead, mg l
Total arsenic, mg l
Total zinc, mg l
Nitrite content (in terms of nitrogen), mg l
7. Sample inspection.
The samples must indicate the basic information such as the production unit, production date, specifications (models), and main parameters, and must be produced by the manufacturer of this application, and shall not borrow, rent, or purchase samples for testing.
8. Factory audit.
1) Document review.
The inspection team leader is responsible for the implementation of document review of the factory's quality assurance capability management documents and related materials, and the completion of the "Document Audit Report". When the documents submitted are not sufficient to meet the requirements, the inspection team leader shall request supplementary materials from the certification applicant.
2) On-site inspection.
1) Conduct factory quality assurance capability inspection in accordance with the "CMAC Product Certification Rules Factory Quality Assurance Capability Requirements" and Annex 3;
2) Product consistency check.
During the factory inspection, the consistency of the products applying for certification should be checked at the production site, and at least one specification and model of the certified products should be selected for consistency inspection.
9. Certificate issuance.
For the products that have completed the technical review, product inspection and factory inspection, and meet the requirements after comprehensive assessment, the CMAC certification certificate with a validity period of 5 years will be issued, and the CMAC mark will be allowed to be used, and the online announcement will be made.
Mine safety certification
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