The Martindale is a unit for quantifying the

abrasion resistance Abrasion may refer to: * Abrasion (dental), the loss of tooth structure by mechanical forces from a foreign element * Abrasion (medical), a wound consisting of superficial damage to the skin * Abrasion (mechanical), the process of scuffing, scrat ...

textiles Textile is an Hyponymy and hypernymy, umbrella term that includes various Fiber, fiber-based materials, including fibers, yarns, Staple (textiles)#Filament fiber, filaments, Thread (yarn), threads, and different types of #Fabric, fabric. ...

, especially when used for

upholstery Upholstery is the work of providing furniture, especially seats, with padding, springs, webbing, and fabric or leather covers. The word also refers to the materials used to upholster something. ''Upholstery'' comes from the Middle English wor ...

. The Martindale method, also known as the Martindale rub test, simulates natural wear of a

seat A seat is a place to sit. The term may encompass additional features, such as back, armrest, head restraint but may also refer to concentrations of power in a wider sense (i.e " seat (legal entity)"). See disambiguation. Types of seat The ...

cover, in which the textile sample is rubbed against a standard

abrasive An abrasive is a material, often a mineral, that is used to shape or finish a workpiece through rubbing which leads to part of the workpiece being worn away by friction. While finishing a material often means polishing it to gain a smooth, reflec ...

surface with a specified force. The test equipment works in intervals of 5000 cycles, totalling the ''wear number'' (unit: Martindale) of abrasion cycles that leads to the material being worn to a specified degree. The higher the value, the more resistant the material is to abrasion.
Abrasion Resistance by the Martindale Method ASTM D4966-98 Standard Test Method for Abrasion Resistance of Textile Fabrics (Martindale Abrasion Tester Method)
' (PDF) The national German textile institute specifies a minimum requirement for various applications, and here are some examples: {, class="wikitable" ! !!Soft padding
artindale!! Hard padding
artindale, - , Private use , , 10,000 , , 15,000 , - , Office use , , 25,000 , , 35,000 , - , For

public transportation Public transport (also known as public transit, mass transit, or simply transit) are forms of transport available to the general public. It typically uses a fixed schedule, route and charges a fixed fare. There is no rigid definition of whi ...

, , 30,000 , , 40,000 Material for use by police or emergency services may require values of 200,000 to 500,000. In the US, the Wyzenbeek test is often used instead of the Martindale. The Martindale machine also tests for fabric pilling.

References

External links

Table of contents of DIN EN ISO 12947-1:2007-04 by Beuth-Verlag
Units of quality Textile engineering