ISO 11540 Air Flow Test For Writing Instruments

Introductions

This machine is based on the "GB21027-2020 General Requirements for the Safety of Student Products" standard (i.e., under the pressure of 1.33KPa, the air ventilation of the pen cap must reach 8L/min), which is a special testing instrument customised for pen cap air permeability testing.

(i.e. under 1.33KPa pressure, the air ventilation of the pen cap must reach 8L/min), and it is a special testing instrument customised for pen cap ventilation testing. It is a special testing instrument customised for pen cap aeration testing. It is mainly used to insert the pen cap completely into

The main purpose is to insert the pen cap completely into an elastic tube with a suitable diameter, air circulation and pressure difference at both ends, in order to measure the air flow of the pen cap.

Test standards

① BS7272-1/-2: 2008 Safety standard for choking prevention of pen caps and pens plugs
② JTS S 6060:1996 Safety requirements for writing pens and marker pens caps for children up to and including 14 years of age
③ ISO 11540:1993 Safety requirements for writing pens and marker caps for children up to and including 14 years of age
④ GB 21027:2007 General requirements for the safety of student products
⑤ GB/T 24110-2009 Safety requirements and test methods for pen caps and end caps for import and export pen products

Technical parameter

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