Fl. Yellow X-10GFF to Orange G
Yellows and oranges
Ten yellows from Fl. Yellow X-10GFF to Yellow 2RL, plus Golden Yellow X-GL and Orange G. Light fastness mostly 6 to 7-8, an SD variant of each shade extends the range.
Textile Chemistry · Cationic Dyes
Cationic dyes foracrylic fibre.
Dragonacrylic dyes bond ionically to the acid groups in acrylic fibre. One shade card from Fl. Yellow X-10GFF to Black O, each shade with its C.I. Basic number, K value, F value and fastness data.
54 shadesyellow to black on acrylic
K value · F valuecompatibility and saturation per shade
ISO 9001 · 14001certified group
30+ countriesserved since 1992
Product detail
Cationic dyes across the shade card, grouped by hue.
The Dragonacrylic brochure lists every shade on acrylic fibre, with C.I. Basic number where it applies, dyeing depth in % owf, K value and F value for combination dyeing, fastness to light (xenon), washing at 60°C and rubbing dry and wet.
Brill. Red 5GN to Violet 3BL
Reds, pinks and violets
Brill. Red 5GN, Pink FF and FG, Red 2GL, Red X-GRL, Red GTLN and GTL, Violet 5BLH and 3BL. Washing fastness mostly 4 to 5.
Blue M-RL to Black O
Blues, browns and blacks
Blue M-RL, Brill. Blue RL, Turq. Blue X-GB, Navy Blue X-BRL, Dark Brown X-3RL and the three blacks X-RL, X-2RL and O, dyeing depth up to 3.0% owf.
Where it goes
Acrylic fibre, yarn and knitwear.
- Acrylic (polyacrylonitrile) fibre and yarn dyeing
- Combination dyeing across shades, matched by K value and F value
- Knitwear and blankets in bright, high-strength cationic shades
- Deep blacks and navies for acrylic outerwear
Before you order
Straight answers for the technical buyer.
01What are cationic dyes?
Water-soluble basic dyes that split into a coloured cation and bond ionically to the acid sites, sulfonate and carboxylate groups, in acrylic fibre. Dragonacrylic lists 54 shades from Fl. Yellow X-10GFF to Black O, each with its C.I. Basic number where it applies.
02What are cationic dyes used for?
Dyeing acrylic fibre, yarn and knitwear: sweaters, blankets and outerwear in bright, saturated shades. Regular polyester needs a disperse dye instead; only cationic-dyeable polyester, a modified grade, takes a basic dye, so check the fibre before you order.
03What is the difference between cationic and anionic dyes?
A cationic dye carries the colour on the cation and bonds to acid sites in fibres like acrylic. An anionic dye, such as an acid or a direct dye, carries the colour on the anion and bonds to basic sites in fibres like wool or cotton. Dragonacrylic covers the cationic side; Hongda's Dragonacid and Dragondirect ranges cover the anionic side.
04Why do cationic dyes level poorly?
The ionic bond to acrylic's acid sites forms fast and holds tight, so the dye exhausts before it can migrate and even out. That is what K value and F value manage: the brochure lists both per shade so you can combine dyes that exhaust at compatible rates and dye level.
05How do cationic dyes work?
The dye dissociates in water into a colourless anion and a coloured cation. The cation is drawn to the sulfonate and carboxylate groups in acrylic fibre and forms a strong ionic bond there, the reverse of how an acid dye bonds to wool. That strong bond gives cationic dyes their wash fastness and their tendency to dye unevenly without a matched K value and F value.
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