productunder review
"Remazol" type reactive dye
Also known as: Remazol
A trademarked reactive dye developed for cellulosic fibres, sold by several Japanese dye retailers.
Pillar: Bonding
Claims and evidence (7)
"Remazol" type reactive dye is a type of reactive dyecontextual
Describes the "Remazol" type as a reactive dye characterised by vivid colour that does not require steaming.
Limitations: 講習会案内文であり、技術解説として書かれたものではない。
Source: 藍熊染料の講習会（一覧頁） （藍熊染料株式会社） ・「レマゾールタイプ染料の基礎」講習会の説明文 ・manufacturer statement ・ checked against the source by AI
States that Remazol dye is a reactive dye developed to dye cellulosic fibres such as cotton and hemp.
Source: レマゾール染料 （ミムラセンリョウ株式会社） ・「レマゾール染料の特徴」の段落、1文目 ・manufacturer statement ・ checked against the source by AI
"Remazol" type reactive dye has the property of characterised by vivid colour; steaming is not requiredcontextual
Scope: As described for a workshop on screen-printing/tube-drawing paste dyeing
Same passage as above.
Source: 藍熊染料の講習会（一覧頁） （藍熊染料株式会社） ・同上 ・manufacturer statement ・ checked against the source by AI
"Remazol" type reactive dye has the property of "Remazol" is a registered trademark of DyStar, so the product name has been changed to "Remazol type"contextual
States "Remazol is a registered trademark of DyStar. Remazol has been renamed to 'Remazol type'."
Source: 「レマゾール」タイプ イエローGR 100g（商品頁） （藍熊染料株式会社） ・商品説明欄の注記 ・manufacturer statement ・ checked against the source by AI
"Remazol" type reactive dye has the property of states it has more vivid and wider-ranging hues than conventional direct dyes or Sirius dyes, and superior fastness properties because the dye bonds directly to the fibre; states it is suited to items exposed to sunlight for long periods, such as flags and noren curtains, as well as to clothing fabric and craft dyeingcontextual
States it has more vivid and wider-ranging hues than conventional direct dyes or Sirius dyes, and outstanding fastness because the dye bonds directly to the fibre chemically; suited to items exposed to sunlight for long periods such as boat flags, noren curtains and banners, as well as to clothing fabric and wax-resist craft dyeing.
Source: レマゾール染料 （ミムラセンリョウ株式会社） ・「レマゾール染料の特徴」の段落 ・manufacturer statement ・ checked against the source by AI
"Remazol" type reactive dye has the property of dissolve by stirring well in 60-70°C water, without heating it directly; states that if no other chemicals are added, the dissolved dye solution is stable for 20-30 dayscontextual
States: dissolve Remazol dye by stirring well in 60-70°C warm water; do not heat it directly; if no other chemicals are added, the dye solution is stable for 20-30 days.
Limitations: アルカリ等を加えた後の安定性については別の段落（固着法ごと）で述べられている。
Source: レマゾール染料 （ミムラセンリョウ株式会社） ・「染料の溶解」の段落 ・manufacturer statement ・ checked against the source by AI
"Remazol" type reactive dye works by for immersion dyeing, the dye bath is 20-40x the fabric weight, with dye concentration up to about 5% of fabric weight at most (about 1% for pale shades); anhydrous Glauber's salt is added at 30-50g per litre of dye bath and the bath heated to 60°C, then 30 minutes after dyeing starts, soda ash (dissolved separately) is added at 20g per litre, and dyeing continues at 60°C for a further 60 minutescontextual
Scope: Immersion (tub) dyeing
States: dye-bath volume 20-40x fabric weight, dye concentration up to about 5% of fabric weight at maximum depth, anhydrous Glauber's salt 30-50g per litre of dye bath, soda ash 20g per litre; 30 minutes after dyeing starts, remove the fabric, dissolve the soda ash separately and add it, then dye at 60°C for 60 minutes.
Source: レマゾール染料 （ミムラセンリョウ株式会社） ・「浸染」の染色浴の構成と手順1〜6 ・manufacturer statement ・ checked against the source by AI
"Remazol" type reactive dye is used in Batikcontextual
this paper states Remazol can be applied in batik dyeing by dipping, dabbing, or brushing
Source: Innovation of Batik Textile Works Using Wax Printing Techniques: Insights from Indonesia （Mulyanto; Lili Hartono, 2025） ・p.14 "Reactive dyes or remazol..."の段落 ・institutional summary ・ checked against the source by AI
Open questions (1)
Why is a reactive-dye solution with no alkali mixed in said to stay stable far longer than the "weakens within an hour" figure from English-language sources?🧪 testable at home
Mimura states that a dissolved reactive-dye solution with no other chemicals added is stable for 20-30 days. Dharma/Burch state that a dye solution mixed with soda ash weakens within an hour to a few hours. Are these describing the same thing, or is there a difference between "the dye solution itself" and "the dye solution once alkali has been mixed in"?