Multifibre DW is a specially engineered testing fabric composed of six different fibre components. Manufactured by SDC Enterprises (UK), it is widely used as an adjacent fabric in various ISO 105 C Series and E Series colour fastness tests. It also complies with major chain store fastness testing specifications.

The fabric features a narrow weave construction and includes the following fibre components: Acetate, Cotton, Nylon, Polyester, Acrylic, and Wool.

Multifibre DW undergoes stringent quality control procedures conducted by independent UKAS-accredited laboratories. Testing is performed on individual yarns prior to fabric construction, followed by comprehensive evaluation of the finished material. Each batch must successfully pass all required tests before being approved for sale, ensuring consistent quality and reliability for laboratory use.