Pigment Yellow 191

Categories:Pigment for Color Masterbatch/Plastic
Brand:Fineland Chem
Product Name:PV Fast Yellow HGR
Color Index:Pigment Yellow 191
C.I.No:18795
CAS No:129432-54-7
EC No:403-530-4
Chemical Group:Azo Lake class
Chemical Formula:C17H13CIN4O7S2Ca
Download:py191-hgr-1-tds
Update Time:Dec 16,2024

Pigment Yellow 191 Characteristic

Recommended for color plastic, its color shade similar with PY83, not so high color strength,but it’s properties are good in heat resistance.In HDPE, its heat resistance can be 300c,and no size change. Its light fastness is 7-8 degree. It has good migration resistance in the PVC. Also can be used for paint, mainly for road marking paint. Is kind of economical pigment. We have reddish and greenish shades for your reference.

Physical Properties

Test Item	Specification
Density (g/cm3 )	1.7-1.8
Specific Surface Area(m2/g)	10-30
Oil Absorption(g/100g)	30-60
PH Value	5.0-7.5
Bulk Density (lb/gal)	3-5
Total impurities(ppm)≤	600

Fastness Properties (5=excellent, 1=poor) | Light Fastness (8=excellent, 1=poor)

_{Acid Resistance}	5	_{Heat Resistance(℃)}	300
_{Alkali Resistance}	5	_{Light Resistance (Full Shade, 1-8)}	7
_{Migration Resistance}	5	Light (Reduced tinting,1-8)	6-7
_{Ethyl Acetate}	4	Weather Resistance	5
Ethanol	4	MEK	4-5

Pigment Yellow 191 Application

Pigment yellow 191 application:
Recommended for color plastic compound. In HDPE, its heat resistance can be 300 degrees centigrade, and no dimensional deformation. It has good migration resistance in the PVC. Also can be used for paint, mainly for road marking paint.

Package and Delivery

● 25KG Kraft bag, 400KG Carton Box.
● Lead Time: Normally around 15 days after signed contract.

Pigment Yellow 191 Advantages

1. Bright color expression
Pigment Yellow 191 (PV Fast Yellow HGR) provides an extremely vivid and long-lasting yellow color, making plastic products more visually attractive. Its high color saturation ensures bright and vivid colors, making your products stand out and have significant market competitiveness whether in high-end consumer products or industrial applications.

2. Excellent light fastness
The pigment exhibits excellent lightfastness and can effectively resist the erosion of ultraviolet rays and strong light. When Yellow 191 is exposed to light for a long time, the color remains bright and does not fade easily, ensuring that plastic products maintain long-term color stability outdoors or under strong light conditions.

3. Strong weather resistance
PY 191 is extremely weather-resistant and can withstand high temperatures, humidity and other harsh environmental conditions. Whether in extreme climates or industrial environments, this pigment can maintain its excellent color performance, ensuring the long-term use of plastic products in various environments.

4. Excellent dispersion
PV Fast Yellow HGR has excellent dispersion properties and can be evenly mixed into plastic substrates to avoid color spots and unevenness. Yellow 191 improves production efficiency, ensures uniform and stable color in the final product, and enhances overall aesthetics.