Crystagloss QS METALLIC vehicle is a low acid number quickset vehicle for sheetfed offset metallic ink formulations. Simply mix Crystagloss QS METALLIC vehicle with solvent-damped bronze and aluminum pigment pastes to obtain a press-ready ink. Crystagloss QS METALLIC vehicle is formulated to promote good 'leafing' properties of metallic pigments thus ensuring excellent brilliance of printed films containing metallic pigments. Crystagloss QS Metallic vehicle can easily handle 25-50% metallic paste by weight and still maintain good flow and leafing properties. Crystagloss QS METALLIC has a very high tack to compensate for the solvent present in most pigment pastes made for offset inks. This product can be used to make low-VOC heatset web offset metallic inks also.
Acid number: <5, nominally about 3.
When using metallic pigments, be careful not to use too much drier, as Crystagloss QS METALLIC is rich in drying oils and can form a flexible "skin" quite aggressively. Under normal circumstances, we recommend adding no more than about 1% driers (assuming 6% metal content). Crystagloss QS METALLIC vehicle is wax-free.
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