G/TBT/N/CHL/632  
27 March  2023 
(23-2173) Page: 1/2 
Committee on Technical Barriers to Trade  Original:  Spanish  
 
  
NOTIFICATION  
The following notification is being circulated in accordance with Article 10.6.  
 
1. Notifying Member : CHILE 
If applicable, name of local government involved (Articles 3.2 and 7.2):  
2. Agency responsible:  
Dirección General de Obras Públicas  (Directorate -General of Public Works)  
Name and address (including telephone and fax numbers, email and website 
addresses, if available) of agency or authority designated to handle comments 
regarding the notification shall be indic ated if different from above:  
Subsecretaría de Relaciones Económicas Internacionales - Ministerio de Relaciones 
Exteriores de Chile (Under -Secretariat for International Economic Relations, Ministry of 
Foreign Affairs of Chile)  
3. Notified under Article 2.9.2 [X], 2.10.1 [ ], 5.6.2 [ ], 5.7.1 [ ], 3.2 [ ], 7.2 [ ], 
other:  
4. Products covered (HS or CCCN where applicable, otherwise national tariff 
heading . ICS numbers may be provided in addition, where applicable) : Cement - 
Terminol ogy, classification and general requirements  
5. Title, number of pages and language(s) of the notified document : NCh 148:2021 
Cemento -Terminología, clasificación y requisitos generales  (NCh 148:2021 Cement - 
Terminology, classification and general require ments) ; (18 pages, in Spanish)  
6. Description of content : The notified rule establishes the terms used for cements made 
with Portland clinker, and their classification in accordance with their composition, 
resistance and requirements . This rule applies to  cements used in the creation of mortars 
and concretes . The cements are classified in to six classes and three grades, as indicated 
in clause 4.  
7. Objective and rationale, including the nature of urgent problems where 
applicable : Quality requirements  
8. Relevant documents:  
• NCh 147 Cementos - Análisis químico  
• NCh 150 Cemento - Determinación de la finura por tamizado húmedo  
• NCh 151 Cemento - Método de determinación de la consistencia normal  
• NCh 152 Cemento - Método de determinación de los tiempos de fraguado  
• NCh 154 Cemento - Determinación del peso específico relativo  
• NCh 157 Cemento - Ensayo de expansión en autoclave  
• NCh 158 Cemento - Ensayo de compresión  G/TBT/N/CHL/632  
- 2 - 
  • NCh 159 Cemento - Determinación de la superficie específ ica por el 
permeabilìmetro de Blaine  
• NCh 160 Cemento - Agregado Tipo A para uso en cementos - Especificaciones  
• NCh 161 Cemento - Puzolana, escoria básica y cenizas volantes para uso en 
cementos - Especificaciones  
• NCh 162 Cemento - Extracción de muestras  
• NCh 642 Cemento - Envases - Sacos de válvulas - Especificaciones  
• EN 1969 Cemento - Calor de hidratación - Método Semiadiabático  
• ASTM C1012 Standard Test Method for Length Change of Hydraulic -Cement 
Mortars Exposed to a Sulfate Solution  
• UNE 196 -3 Métodos de Ensayo de Cementos - Ensayo de determinación del tiempo 
de fraguado y la estabilidad de volumen  
• Manual de Carteras del MOP , available at: https://mc.mop.gob.cl/  
9. Proposed date of adoption : - 
Proposed date of entry into force : - 
10. Final date for comments : 60 days from notification  
11. Texts available from : National enquiry point [ ] or address, telephone and fax 
numbers and email and website addresses, if available, of other body:  
Subsecretaría de Relaciones Económica s Internacionales  
Ministerio de Relaciones Exteriores de Chile  
Teatinos 180, piso 11  
Tel.: (+56)-2-22827 5250  
Email: tbt_chile@subrei.gob.cl  
To view the above -mentioned standards, go to https://www.inncoleccion.cl/  and enter 
the following details:  
Empresa  (Company) : SUBREI -002-23 
Usuario  (Username) : subrei 
Contraseña  (Password) : subrei