Testing Ink Durability with a Sutherland Rub Tester
If you've ever noticed ink smudging off a cardboard box or a shipping label onto your hands, you're looking at a problem that a sutherland rub tester is designed to solve before the product ever hits the shelf. It's one of those workhorse machines that people in the printing and packaging world rely on every single day, even if the average consumer has never heard of it. ...