Naphthol Red - Wikipedia
网页Naphthol Red (Pigment red 170 or PR170) is an organic pigment extensively used in automotive coatings and painting. It is produced synthetically by converting p-aminobenzamide into the corresponding diazonium compound followed by coupling with 3-hydroxy-2-naphththoic acid (2-ethoxy)anilide ("Naphtol AS-PH" dye precursor).
Pigment Colour Index: Red Pigments - Jackson's Art Blog
网页2021年10月1日 · The Naphthol red pigments PR 5, PR 9, PR 112, PR 170 and PR 188 are a large group of synthetic organic red pigments. They were originally produced as dyes, but were laked to make pigments for artist paints, printing inks, cosmetics, and plastics at the beginning of the 20th Century.
Naphthol Red. Which one should I use? - WetCanvas: Online …
网页2019年8月26日 · It’s brighter in real life than the swatch on the Dick Blick site indicates. And it really does seem to be a RED red — not warm, not cool, right in the middle. Lightfastness is excellent, and it’s cheap — a series 1 color. Some here will tell you to just bite the bullet and fork over for a cadmium.
The Ultimate Naphthol Red Vs Cadmium Red Comparison!
网页The main differences between Naphthol red and cadmium red is that the fluorescent variant of naphthol red is fluorescent. The non-fluorescent variant of naphthol red is slightly darker than cadmium red too by the smallest margin offering a slight difference there too.
Naphthol Red - Wikiwand
网页Naphthol Red (Pigment red 170 or PR170) is an organic pigment extensively used in automotive coatings and painting.
Decoding Pigments: Naphthol Red vs Cadmium Red Face-Off
网页2023年10月24日 · Naphthol Red unveils its true prowess in layering techniques. Its transparent nature allows artists to build depth gradually, creating a sense of three-dimensionality. With each successive application, the pigment reveals new dimensions, drawing the observer deeper into the artwork.
PR170, Naphthol Red AS | Red | Artist Paints & Pigments
网页Naphthol Red AS. Click for search results with PR170 used together with other pigments in All mediums.
PR112, Naphthol Red AS-D | Red | Artist Paints & Pigments
网页Artist pigment PR112, Naphthol Red AS-D, red color pigment, 100 paints and other artist mediums made with this pigment.
Napthol Red - Gamblin Artists Colors
网页2016年1月6日 · Napthol Red: Modern organic warm red that closely matches Cadmium Red Medium in masstone. Makes more intense tints, more transparent. Excellent for high key painting. Pigment: Napthol AS-D (PR112) Vehicle: Alkali refined linseed oil Lightfastness II, Series 2, SEMI-TRANSPARENT
naphthol red – Cultural Heritage Science Open Source
网页Naphthol red. Used as artists’ pigments from the 1920’s. Manufacturer / product code: Kremer / 23600. Chemical description: synthetic organic pigment, organic synthetic monoazo. Naphthol.