ISO 27668-1-2016 pdf free.Gel ink ball pens and refills一Part 1: General use.
This part of Iso 27668 establishes minimum quality requirements for gel ink ball pens (refillable and non-refillable) and refills for general use.
Additional requirements for gel ink ball pens for documentary use are given in ISO 27668-2.
2 Normative references
The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
ISO 1O5-A02, Textiles — Tests for colourfastness — Part A02: Grey scale for assessing change in colour ISO 105-B02, Textiles — Tests for colourfastness — Part B02: Colourfastness to artificial light: Xenon arc fading lamp test
ISO 534, Paper and board — Determination of thickness, density and specific volume ISO 535, Paper and board — Determination of water absorptiveness — Cobb method ISO 536, Paper and board — Determination ofgrammage
ISO 868, Plastics and ebonite — Determination of indentation hardness by means of a durometer (Shore hardness)
ISO 2144, Paper, board and pulps — Determination of residue (ash) on ignition at 900 degrees C
ISO 5627, Paper and board — Determination of smoothness (Bekk method)
ISO 6588-1, Paper, board and puips — Determination of pH of aqueous extracts — Part 1: Cold extraction
ISO 6588-2, Paper, board and pulps — Determination of pH of aqueous extracts — Part 2: Hot extraction
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1 pen writing instrument equipped with a feeding system which deposits a writing fluid on a surface
Note 1 to entry: It is available in refillable or non-refillable (disposable) form.
3.2 ball pen pen with a writing fluid feeding system based on a rotatable ball writing tip integrated either within
the pen itself or within a refill.
3.3 gel ink ball pen ball pen which deposits a writing fluid whose viscosity decreases markedly with rotation of the ball when writing and increases back to or near to the original viscosity in non-movement, i.e. when not writing
3.4 cartridge disposable container for the writing fluid, which is detached when empty and replaced by a (new) full container
Note ito entry: Adapted from ISO 9175-1:1988, 3.4.
3.5 refill identifiable assembly of components, usually removable from a complete pen. with which it is possible to write independently of the complete pen, but which lacks either characteristics or components which would make it suitable for use as a pen.
3.6 write test machine device for mechanically generating a line with a pen or refill on a writing surface and which can be adjusted for
— a writing angle between 60° and 90°,
— writing load from 0,1 N to 5 N,
— writing speed between 1 rn/rn in and 10 rn/mm, and
— line pitch between 1 mm and 5 mm,
with a continuous spiral line (100 mm circumference) and a fixed or rotating motion along the longitudinal axis of the pen or refill; the writing surface is to be placed on a polished stainless steel plate. [SOURCE: ISO 12756:1998, 3.7].ISO 27668-1 pdf download.
Tags: Gel ink ball pens and refills
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