Process information
| Key Data Set Information | |
| Location | PH |
| Reference year | 2024 |
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| Use advice for data set | This environmental product declaration shows the life cycle assessment of the production of of Ordinary Portland Cements Holcim OPC (Type I 28 MPa min) at the Bulacan plant of Holcim Philippines. Type of EPD: cradle-to-factory gate The system boundaries include the manufacture of Holcim OPC including the extraction of raw materials through to the finished product at the factory gate. The product stage includes: Module A1: Extraction and processing of raw materials. Module A2: Transport of raw materials to the factory gate and internal transport. Module A3: Manufacture of cement or cementitious components. The construction stage, the usage stage and the disposal stage are not taken into account in the life cycle assessment for cement. |
| Technical purpose of product or process | Holcim OPC is used as a binder in the manufacture of concrete and mortar. |
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| General comment on data set | Holcim OPC is an ordinary Portland cement composed mostly of clinker which is produced and monitored according to PNS 07. It consists of a mixture of finely ground, non-metallic, inorganic components. After adding water to the cement, a suspension (cement paste) is formed, which solidifies and hardens both in air and under water due to the onset of a hydration reaction and remains permanently solid. This cement is a hydraulically hardening binder for the production of concrete and mortar. |
| Copyright | Yes |
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| Content declaration | |
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| Data set valid until | 2029 |
| Technological representativeness | |
| Technology description including background system | Holcim OPC is manufactured at the Bulacan plant. Production of Portland cement clinker Limestone, marl, clay or their natural mixture, are required for the production of Portland cement clinker. These starting materials are mined in quarries, pre-crushed and transported to the nearby cement works. There they are homogenized into an intermediate product, with additional natural or secondary corrective substances being added to fine-tune the chemical composition. In the subsequent heating process, the Portland cement clinker is produced from the intermediate product. The firing process takes place in a rotary kiln, where the material is thermally converted at around 1450 °C and then rapidly cooled. The finished clinker is stored in silos. Extraction of limestone The limestone is extracted from natural deposits in opencast quarries. Cement Production To produce the ready-to-sell cement {name}, the cement components are finely ground and combined. A sulfate carrier is added to control the setting behavior. The Bulacan plant is ISO 9001 certified. |
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Modelling and validation
Administrative information
Environmental indicators