Fast Orange 1. Product Name Trade Name: Fast Orange C.I. Number: Pigment Orange 16 2. Physical, Chemical and Fastness Properties Oil absorption capacity (ml/100g): ≤ 40 Lightfastness :6-7 Heat resistance: 150 ℃ Water resistance :4-5 Oil resistance:4-5 Acid resistance: 5 Alkali resistance: 4