3132 Big Red Powder Pigment Red 21

Product introduction of big red powder (pigment red 21)

3132 Big Red Powder (C.I. Pigment Red 21)

The index number:C.I.P.R.21

English name: Pigment Red 21,C.I.Pigment Red 21,3132-Fast Red

Chinese alias: C.I. Pigment Red 21; Big Red Powder; Light Fast Big Red Powder; Heat Resistant Big Red Powder; Big Red Pigment; 3132 Big Red; Pigment Red 21

1. physical index

Lightfastness: Level 6-7

Heat resistance: 140℃.

Alkali resistance: level 5

Water resistance: Level 4

Oil resistance: Level 2-3 

2. Product parameters

Tinting strength (standard): 95-105%;

Moisture content: ≤1.5%

Water-soluble matter: ≤1.5%;

Oil absorption: 35-45%;

Sieve residue (20 mesh): ≤5%

Refractive index: 1.665

Density: 1.31

CAS number: 6410-26-0

Molecular formula: C23H16ClN3O2

Molecular weight: 401.84500

Customs code: 3204170000

3. Pigment Properties

Shandong Caizhiyuan Pigment Technology: 3132 Big Red Powder (C.I. Pigment Red 21) is a yellow bright scarlet pigment with bright color, high tinting strength, excellent  and alkali resistance, excellent light fastness and dispersibility. In paint coatings, it can be mixed with medium chrome yellow pigments to create a bright orange. In plastics, flowability and migration resistance are excellent.

4. Application field

Mainly used for powder coating, paint, coating printing paste, water-based color paste, chalk color paste, candle, fertilizer, paper, printing pad, printing oil, wall powder coloring, etc.

5. Product packaging

Packed in kraft paper bags, net weight 25kg/bag.