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ISO 12757-1:2016 pdf free

ISO 12757-1:2016 pdf free.Ball point pens and refills一General use
This document establishes minimum quality requirements for ball point pens (refillable or non-refillable) and refills for general use.
Additional requirements for ball point pens for documentary use are given in ISO 12757-2.
The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
ISO 105-A02, Textiles 一Tests for colour fastness一Part A02: Grey scale for assessing change in colour
ISO 105-B02, Textiles一Tests for colour fastness一Part BO2: Colour fastness to artificial light: Xenon arc fading lamp test
ISO 534, Paper and board一Determination of thickness, density and specific volume
ISO 535, Paper and board一Determination of water absorptiveness一- Cobb method
ISO 536, Paper and board一Determination of grammage
ISO 868, Plastics and ebonite一Determination of indentation hardness by means of a durometer (Shore hardness)
ISO 2144, Paper, board and pulps一Determination of residue (ash) on ignition at 900 degrees C
ISO 8791-4, Paper and board一Determination of roughness/smoothness (air leak methods)一Part 4:Print-surf method
Take a quantity of at least 10 ball point pens and/or refills at random. Generate a continuous 5 m line on the testing paper specified in 5.2 by the write test machine specified in 5.1 under the climatic conditions specified in 6.2. Lift the pens off the paper and allow to rest for 3 h.
Generate 300 m of writing and examine for compliance with 4.3.1. Use this machine-written test sheet for the following tests, except for 6.3.3 (drying time test) and 6.3.7 (shelf life test).
Prepare a machine-written test piece approximately 5 cm long, without the beginning and end of a written line, from the test sheet provided in 6.3.1 and keep it under the climatic conditions specified in 6.2 for 24 h.
Examine the back of the test paper for compliance with 4.3.2.
Draw a straight line in accordance with 5.1 a), b) and c) on the testing paper specified in 5.2. After 20 s,rub once perpendicularly across the written line with the eraser specified in 5.3.
Examine the line for compliance with 4.3.3.ISO 12757-1 pdf download.

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