DCL - 7751 Benzimidazolone Yellow, PY.151 - Dar-Tech

Identification & Functionality

CI Name: Pigment Yellow 151
CI Number: 13980
Chemical Family: Azo Compounds
Chemical Name: 2-[(E)-(2-oxo-1-{[(2-oxo-2,3-dihydro-1H-benzimidazol-5-yl)amino]carbonyl}propyl)diazenyl]benzoic acid
Pigment Type: Organic Pigments
CASE Ingredients Functions: Pigment
Technologies: CASE Ingredients,
Pigments & Colorants
Product Families: Pigments & Colorants — Color Pigments
Organic Pigments
CASE Ingredients — Pigments & Colorants
Color Pigments

Features & Benefits

CASE Ingredients Features: Good Gloss Retention,
Good Tint Strength,
Good Weather Fastness,
Outdoor Durability
Key Benefits: 7751 has improved weatherfastness compared with traditional PY.151’s.

Highest chroma of all PY.151s

In tint, the conventional grades of PY.151 begin to fade with around ΔE*= 3 units after 2,000 hours of exposure.

7751 is the only product with ΔE*= 3 units after the full 4000 hours of exposure.

Applications & Uses

Markets: Automotive & Transportation,
Building & Construction,
Paints & Coatings
Applications: Paints & Coatings — Automotive & Transportation
Aerospace Coatings,
Automotive OEM Coatings
Paints & Coatings — Building & Construction
Architectural Coatings,
Decorative Paints
Building & Construction — Building Envelope & Roofing
Architectural Coatings
Automotive & Transportation — Coatings & Finishes
Aerospace Coatings,
Automotive OEM Coatings
Building & Construction — Decorative Materials & Finishes
Decorative Paints, Coatings & Stains
Paints & Coatings — Industrial Coatings
Industrial Coatings
Automotive & Transportation — Transportation
Aerospace & Aviation
Coating Type: Powder Coating

Properties

Color: Yellow
Physical Properties
Typical Properties
Resistance
Stability
Light Fastness Properties
Weather Fastness Properties
Note: Resistance Properties Legend: 1=Poor, 2=Fair, 3=Good, 4=Very Good, 5=Excellent

Warpage: 1 = Minimal, 2 = Some, 3 = Severe

Weatherfastness: 1=Poor, 2=Fair, 3=Good, 4=Very Good, 5=Excellent

Lightfastness: 1-2=Poor, 3-4=Fair, 5=Good, 6-7=Very Good, 8=Excellent

	Value	Units	Test Method / Conditions
Overpaint Resistance (Paints)	5.0	—	—

	Value	Units	Test Method / Conditions
Heat Stability (Paints)	200.0	°C	—

	Value	Units	Test Method / Conditions
Lightfastness (1-8): Masstone	8.0	—	—
Lightfastness (1-8): Tint 1:10	7 - 8	—	—

	Value	Units	Test Method / Conditions
Weatherfastness (1-5): Masstone	5.0	—	—
Weatherfastness (1-5): Tint 1:10	4 - 5	—	—

Regulatory & Compliance

Technical Details & Test Data

Shade Indicator: MASSTONE COLOR CHART SHOWING PIGMENT YELLOW 151 GRADES

TINT COLOR CHANGE ON WEATHERING EXPOSURE FOR PY.151 GRADES

Packaging & Availability

DCL 7751 Benzimidazolone Yellow, PY.151