Ribbon Properties	R550 Extremely Durable Resin
Description	Result	TestMethod
Ink	Resin
Color	Black	Visual
Total Thickness	6.5 ± 0.9μ	Weight
Base Film Thickness	4.5 ± 0.4μ	Weight
Durability of Printed Image
Label Stock	Top-Coated Polyester
Print Speed	4 IPS
Description	Result	TestMethod
Print Density	> 2.07	Densitometer
Smudge Resistance	A*	Colorfastness Tester - 400 Cycles 500 Grams with Cotton Cloth
Scratch Resistance	A*	Colorfastness Tester - 50 Cycles 200 Grams with Stainless Steel Pointed Tip
*American National Standard Institute (ANSI) Grade Levels A, B, C, D, and F, where A is excellent, B is above average, C is average, D is below average, and F is poor.
Conversion Char
Millimeters (mm) to Inches	mm ÷ 25.4
Meters (m) to Feet (ft)	m ÷ 0.3048
C° to F°	(1.8 X C°) + 32 = F°
Thousand square inches (MSI) to m2	MSI X 0.645
Inches to Millimeters (mm)	Inches ÷ 0.03937
Feet (ft) to Meters (m)	Feet ÷ 3.2808
F° to C°	(F° ÷ 1.8) - 17.77
MSI	m2 ÷ 0.645