Cylinder External Labeling

A List of Color Codes for Mixed Gas Cylinders

Main Hazardous Properties of the Mixed Gas	Head color		Body color	Letter color wheel color
	Up	Below
Combustibility	R03 Bright Red		B04 Silver Gray	R03 Bright Red
Toxicity	Y06 Pale Yellow			Y06 Pale Yellow
Oxidizing property	PB06 Pale (Phthalocyanine) Blue			PB06 Pale (Phthalocyanine) Blue
Non-combustibility (General)	G05 Dark Green			G05 Dark Green
Flammability and toxicity	R03 Bright Red	Y06 Pale Yellow		R03 Bright Red
Toxicity and Oxidizing Properties	Y06 Pale Yellow	PB06 Pale (Phthalocyanine) Blue		Y06 Pale Yellow