Shake box

Table 11.2 shows a comparison of common pill test methods. The best correlation between test method and actnal wear is fonnd when a variety of mechanical forces act npon the fabric dnring testing. For anti-pilling tests of a new article with strange pilling behavionr, the combination of at least two different methods is recommended. They shonld be based on different principles, for example a friction test (e.g. Martindale) and a shock or impact dominated test as RTPT or the shake box test."... 

Pilling test Martindale pilling tester Random tumble pilling tester (RTPT, Du Pont) Shake box (Pillbox ICI/Hoechst)... 

A stainless steel-lined tubular pressure reactor having an internal volume of about 350 mL and equipped with a thermocouple well and gas inlet was charged with 210 g. (1.36 moles) of freshly distilled carbon tetrachloride, 35 g. of water, and 0.47 g. (0.00194 mole) of benzoyl peroxide ( Lucidol ). The reactor was evacuated, pressured to 500 Ib./sq. in. with ethylene, and placed horizontally in a shaking box equipped with a heater. When the temperature of the reaction mixture was... 

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