BS EN 4860. Aerospace series. Environmental testing. Test Xb: Abrasion of markings, letterings, surfaces and materials caused by rubbing of fingertips and hands Ingestion-build-79769 h) Bibliography introduced

h)      Bibliography introduced

The particles are appropriately dispersed and fixed in the object plane of the instrument

specifies the requirements and test methods for the inspection of sprayers for bushes and trees

The principle of superposition does not strictly apply to touching cables and hence the calculation method set out in BS IEC 60287-3-3 will produce an optimistic result if applied to touching cables

The method is applicable only to powders which flow freely through the specified test orifice

BS EN 4860. Aerospace series. Environmental testing. Test Xb: Abrasion of markings, letterings, surfaces and materials caused by rubbing of fingertips and hands Ingestion-build-79769 h) Bibliography introduced