21 Oct SUIN Gel Pens, Lined Journals, Binders, and Stationery Materials– Technical Spec Overview
Gel Pen Ink System and Writing Performance SUIN gel pens make use of a water-based gel ink formulation with pigment suspension in a thixotropic gel service provider that preserves constant thickness of approximately 800-- 1,200 mPa · s throughout creating. The 0.7 mm tungsten carbide ball...
