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RED-Pigment Red 31-Naphthol Red 31-For plastic, ink and textile printing

Categories	Pigment for Textile Printing Ink/Paste
Brand	Fineland Chem Pigment Suplier Manufacturing
Product Name	Vulcan Fast Bordoaux BF
Color Index	Pigment Red 31
C.I.No	12360
CAS No	6448-96-0
EC No	229-246-9
Chemical Group	Mono Azo
Chemical Formula	C31H23N5O6
Update Time	May 14,2024

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Detail Information

characteristic

Pigment Red 31 Description

Advantage:

PR31, bluish red with excellent light resistance (7 degree) and

bleeding resistance, with high heat

resistance to 280 ℃/5min. Non-permeable color, resistant to hot water, soap, detergent, ethanol, etc.

Physical Properties

Test Item	Specification
Cont of water % ≤	2.5
Soluble matter in water %≤	2.0
Oil absorption %	45±5
Water permeate (grade)	5
Oil permeate (grade)	5
Conductivity (µm/cm)≤	250
Quality of total (ppm)	200
Residues passing through(100mesh)% ≤	5.0
Ph value	6.5～7.5

Fastness Properties (5=excellent, 1=poor)

_{Acid Resistance}	3	_{Soap Resistance}	4
_{Alkali Resistance}	3	_{Bleeding Resistance}	3
_{Alcohol Resistance}	3	Light Fastness (8=excellent)	6
_{Ester Resistance}	3	Light Fastness (8=excellent)	6
_{Ketone Resistance}	3	Benzene Resistance	3

application

Pigment red 31 application:

Mainly be used for coloring rubber products, textile printing and printing ink like water based ink, packaging ink. Used for coloring polystyrene and acrylic resin, transparent grade, such as car tail lights, signal lights, etc.