Pigment Red 21 High Tinting Organic Red Powder

• Customization: Available
• CAS NO.: 1048-76-0
• Formula: C16h11n3o3
• Model NO.: Pigment Red 21
• EINECS: 213-888-0
• Colour: Red
• Appearance: Powder
• Usage: Ink, Plastic, Paint
• Application Material: PP, PE, PVC, ABS, EVA
• Type: Synthetic
• Composition: Monoazo
• Solubility: Solubility
• Name: Pigment Red 21
• Tinting Strength: 100-105 %
• Volatite 105 °c: 1.0% Max
• Light Fastness: 5
• Heat Resistance: 200 °c Min
• pH Value: 6-8
• Moisture Content: ≤1.5%
• Oil Absorption: 40–55 G/100g
• Transport Package: 25kg/Bag
• Specification: high purity
• Trademark: Ruicai
• Origin: China
• Production Capacity: 10000mt/Y

Product Description

 

Product Description
Pigment Red 21 is a high-performance monoazo red pigment featuring bright color shade, high tinting strength, and good dispersibility. It is widely used in plastics, coatings, inks, and masterbatch applications.

Key Features:
1.Bright and strong coloring strength
2.Fine particle size, excellent dispersibility
3.Compatible with various resins such as PP, PE, PVC, ABS, EVA
4.Heat resistance up to 200°C
5.Good indoor lightfastness and chemical stability
6.Custom formulation available upon request (particle size, dispersant, etc.)

Detailed Photos

Item	Value
Tinting Strength	100 ± 5%
Heat Resistance	≤200°C
Light Fastness	Grade 5 (Blue Wool Scale)
Oil Absorption	40-55 g/100g
Moisture Content	≤1.5%
pH Value	6.0-8.0

Applications:

• Plastic products (injection, extrusion, blow molding)
• Masterbatch manufacturing
• Solvent-based and water-based inks
• Industrial and decorative coatings
• Stationery (crayons, modeling clay, etc.)

Certifications

Company Profile

Packaging & Shipping

Packing:  Outer paper bag packing, inner plastic bag.
                    25kg pigments/bag
Lead time:  Within 7 workdays after receiving customers' payment.

 

After Sales Service

1. According to the requirements of customers, we choose the safest and most cost-effective mode of transportation for customers
2. Tracking goods until the goods are safely delivered to customers
3. 24 hours online, we will provide technical support to solve the problems for customers.
4. Provide the return-exchange goods service for no reason.

FAQ