This Schopper Air Permeability Tester was designed according to QB/T1667. It is used to test the air permeability of materials like paper, bag of cement, cable paper and so on.
Sponge Resilience Tester GT-LE02 is used to test the rebound height and used to determine the rebound resilience (coefficient of resilience) within the test term of the polyurethane flexible material.
Pen cap air flow tester mainly be used to test the safety of the caps for writing and marking instruments which are designed or clearly intended for use by children up to 14 years of age. However, Caps for writing and marking instruments which are not designed or intended for use by children, e.g. jewellery pens, expensive fountain pens, professional technical pens, are not be test by this method .
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