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DIN Standards Committee Plastics

Overview

It has long been accepted that some of the parameters associated with the Taber test as given in ISO 5470:1980 needed to be more closely specified if reasonable reproducibility ® was to be obtained. Much of the work is now completed and has been acknowledged by ISO/TC 61 in publishing ISO 9352, which employs a zinc plate as a means of calibrating the initial abrasive power of the wheels. This does not, however, entirely overcome the problem of clogging or maintaining abrasion properties between and during tests. It may also be regarded as expensive and time-consuming. This part of ISO 5470 permits the approach in ISO 9352 to be adopted if so desired. However, the major disadvantages of the Taber abrader are that: a) end points can be somewhat subjective unless a gravimetric technique is employed; b) only a small strip of material is abraded; c) because of the velocity of interfacial friction, localized heating of the coating polymer can cause softening and thus be less representative of abrasive wear in service; d) the 6 mm diameter hole in the centre of the test piece does not permit post-abrasion assessments of properties such as hydrostatic heat resistance or resistance to chemical reagents. This part of ISO 5470 describes a method of assessing the abrasive wear resistance of coated fabrics using the Taber abrader. The responsible German standardization committee for this standard is Working Committee NA 054-04-04 AA "Kunststoff-Folien und kunststoffbeschichtete Flächengebilde (Kunstleder); allgemeine Eigenschaften" ("Plastic films and plastics-coated fabrics (artificial leather); general characteristics") at DIN Standards Committee Plastics (FNK).

Document: references other documents

Responsible national committee

NA 054-04-04 AA - Plastics films and plastics coated fabrics (artificial leather); General test methods  

Responsible european committee

CEN/TC 248/WG 4 - Coated fabrics  

Responsible international committee

ISO/TC 45/SC 4/WG 13 - Coated fabrics