Methodology for PCF Calculations of Lubricants, Greases and other Specialties
• Gas Engine Oils • Paper Machine Oils • Transformer fluids • Dielectric fluids
Additional functions may be reported in the documentation but shall not be considered in the PCF calculation. Examples of additional functions are:
• Cooling ability • Corrosion Protection • Cleaning abilities • Biodegradability • Service life
2.3.2 Product system
The product system comprises the life cycle stages from cradle-to-(outbound)-gate, resulting in a partial PCF calculation. This product system covers the raw material extraction and manufacturing up to and including the product manufacturing, as well as internal storage and transport by the lubricant manufacturer. By this means, “gate” indicates the lubricant manufacturer’s outbound gate. Figure 1 shows the typical product life cycle stages of a lubricant or other speciality. Note, that the depicted product life cycle stages are general descriptions and might include more detailed product life stages. A cradle-to-grave approach comprising all life cycle stages is out of scope for this methodology.
Acknowledging that there are lubricant manufacturers containing several life cycle stages within their company operations, e.g. integrated companies, the inbound gate of the lubricant manufacturer might be situated before the actual manufacturing life cycle stage phase of a lubricant or other speciality. For example, the lubricant manufacturer could contain the refining and processing of raw materials or even the raw material acquisition itself, thus comprising all life cycle stages from cradle-to- (outbound)-gate within the lubricant manufacturer company’s (inbound)-gate-to (outbound)-gate (cf. Figure 1). An example product system of a typical lubricant manufacturer only containing the manufacturing part as a life cycle stage is provided in Figure 2.
Version 1.2, 15.10.2025 © ATIEL and UEIL
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