A document-class roller pen that meets even the toughest of the ISO 14145-2 conditions, such as erasure resistance, water resistance, chemical resistance, light resistance and bleaching resistance tests, (ISO 14145-2 clause 4.1 to 4.8). This ISO standard stipulates that a roller pen for documentary use should meet special stringent requirements, in addition to those for general use, (ISO 14145-1).
So, what does the compliance means for the Writers?
The documents written with Dollar's Official roller pen:-
Will be timeless and remain clearly legible for decades, Will not fade away when archived, Will be tamper-evident against any modifications, washing or even chemical fixing
All these strong security features are presented in a friendly design, that gives an immense pleasure to write with.
Laboratory tests
Ordinary/ general purpose roller pen
Light-fastness / fade-resistance test
According to ISO 14145-2 clause 4.8, the script / line should remain visible after a rigorous testing, as specified in clause 6.2.7.
Chemical-resistance test
According to ISO 14145-2 clauses 4.3-4.6, the script / line should remain visible after a rigorous chemical-resistance testing, as specified in clauses 6.2.2.-6.2.5.
Will be timeless and remain clearly legible for decades,
