Benzimidazolone Yellow (PY181)

Pigment Yellow 181 (C.I. 11777) is a Monoazo of Benzimidazolone range of reddish yellow pigments suitable for plastics applications.

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Ferro is a leading global manufacturer of high performance Monoazo Benzimidazolone pigments. 

These pigments cover the color spectrum from greenish yellow to orange. Used in conjunction with 5-(2' hydroxy-3'- naphtoylamino)-benzimidazolone as a coupling component, it imparts red colors ranging from medium red to carmine red, maroon and brown shades. 

Lysopac Yellow 8113C is a reddish Benzimidazolone Yellow pigment with good opacity offering excellent light fastness, heat resistance and good dispersibility. It is a recommended pigment for plastics applications, including vinyls and polyolefins for film extrusions and injection molding applications.

BENZIMIDAZOLONE YELLOW (PY181) PIGMENT CHARACTERISTICS

RECOMMENDED PIGMENT 
HEAT FASTNESS   LIGHT
FASTNESS
ACID FASTNESS ALKALI FASTNESS  SOLVENT FASTNESS 
Lysopac Yellow 8113C
260ºC* 
5 mins 
*Plastics HDPE
Excellent
(8 on blue wool scale)
 Excellent Excellent  Good
 
 
 
 
 
 
 
 

BENZIMIDAZOLONE YELLOW (PY181) RECOMMENDED PIGMENTS AND APPLICATIONS

RECOMMENDED PIGMENT  PROPERTIES  APPLICATIONS
Lysopac Yellow 8113C Lysopac Yellow 8113C (PY181) is a reddish yellow shade Benzimidazolone Yellow pigment that offers good opacity, excellent light and heat fastness with good dispersibility.

Plastics, including vinyls and polyolefins used in film extrusions and injection-molding processes



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