Elements and Performance Criteria
- Identify properties of textile
- Specifications and or sample of textile material product is confirmed with originator and client
- End use and performance standards expected of finished product are clarified and determined with appropriate personnel
- Sample is analysed to determine type and composition using appropriate techniques, if required
- Perform preliminary selection and evaluation of dyes
- Preliminary selection of dyes and chemicals and auxiliaries is undertaken with reference to specifications and or previous product dyeing references
- Expected textile production and reproduction processes are identified based on preliminary dye selection and appropriate personnel advised
- Preliminary dye selection is determined for the sample of textile
- Dye selections and specification and recipe are trailed using laboratory-based production facilities and results evaluated against requirements of originator and client, as required
- Dye selection and recipe is reviewed, and re-developed and re-tested as required
- Approval of preliminary dye specification by originator and client is sought prior to implementing limited production run
- Perform final selection and evaluation of dyes and specification and recipe
- Sampling and testing techniques are selected appropriate to evaluation of product during limited production run
- Tests are implemented using established enterprise procedures and quality standards
- Results are analysed and preliminary dye selection and recipe reviewed, modified and re-tested as required
- Dye selection checked against original client specifications and requirements and enterprise production process and requirements
- Approval of colour specification by originator and client is sought prior to implementing bulk production run
- Environmental requirements and procedures concerned with waste, pollution, storage and recycling of materials are correctly applied at all stages of the process
- Prepare final dye specification and recipe
- Samples from bulk production run are tested using appropriate techniques
- Results are analysed and dye recipe reviewed, modified and re-tested as required
- Dye specification and recipe is developed, checked and filed in accordance with workplace requirements and industry and quality standards
- Reports and documentation are prepared
- Dye specification and recipe is monitored to ensure continuity and repeatability of colour and test results