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Victor, There are two methods of UV coating, as you may or may not know. In some instances, many people find themselves comparing a sample that was screen UV coated and your only ability inhouse is roller UV coating. You can lay a lot more with screen than roller and mantain a better lay. By...

Gaz, Something that has really worked for me in the field when encountering calcium carbonate issues / stripping issues of the roller train is the good ol' fashioned Copperizing Solution. If you have any copper rollers in the ink train, the calcium carbonate will leach itself to the rubber...

Based on what you experienced, it sounds as though the stock's pH was certainly out of the neutral range. It's rare that you encounter an offset sheet that has an ecessively acidic pH but more so Alkaline. Typical printing stocks vary in pH from 6 - 7.5 pH. What you were seeing was probably the...

I regularly use the pH pencil. It is what is known as a "Litmus Pencil." I have had inconsistant readings with the pens as the tips have a tendancy to retain paper fibers from the frequent checking. The Litmus Pencis I have found to be extremely helpful in shops that call me in when combatting...

Guys, I am referring to Hydrogen Peroxide that you would have in your medicine cabinate or pantry. It comes in the brown, plastic bottle. This stuff isn't used for bleaching. Here's the analogy: If any of you guys have been around children (kids or family) and they suddenly fall.. After rthey...

Metallics can be difficult regardless of the ink manufacturer. Adding "Water Resistant Compound" is a raw materiel that your ink supplier should be able to furnish you. This ingredient helps in both bodying up the ink and fighting off over emulsification for occuring. Remember, metallics have...

Printing on Plastics / No Porous Substrates Printing on Plastics / No Porous Substrates I would first and foremost check the "Dyne Level." Many times, printers encounter adhesion issues and they are confused with drying. Ask your ink / stock supplier to furnish you with that information...

Viscosity of fountain solution?? Are you guys sure you aren't lloking for the Surface Tension of mixed founts? The Dynamic Surface Tension is actually a calculated number to determine "How Wet" a particular diluted fountain solution is. The lower the number - the wetter it will run. Examples...

As for the rag fires, many of these Low VOC solvents are ester based products. Very much like linseed oil, if the shop rags are soiled in these washes and then buried in the bottom of the barrel, from lack there of oxygen - they have been known to smolder. Many of the recognized manufacturers...

Luke, I would encourage you to get references from other users of that particular product. Everyone is going to brag or boast about the success of their product. The truth is that there are various types of "Low VOC" solvents and what works in one shop does not necessarely work in another...

Luke, We're a manufacturer of solvents of various types (High and Low VOC). Understand that there are particular solvents such as acetone and a few others that are V.O.C. exempt. If you incorporate a solvent of such in the wash blend, it reduces V.O.C.'s and doesn't necessarely compromise...