DIRECT Red 31
TECHNICAL DATA SHEET Product name: DIRECT RED 31 POWDERCAS NO.: 5001-72-9C.I.: 29100EINECS: 225-669-8Chemical formula: C32H23N5O8S2.2NaMolecular structure: Appearance: Shade: Strength: Odor: Specific gravity: PH value: Moisture /%: Insoluble matter /%： Light fastness: Washing fastness(40°С) Rubbing fastness: Sublimation fastness (180°С 30sec): Perspiration fastness: Red powder Similar to the standard 150±3% Weak odor 1.0-1.17.0-9.0 <5.0 <0.5 2 3 Dry: 4 Wet: 2 2 3Performance and features: The product is mainly used for dyeing cotton,Website:, hemp, mucilage glue, silk, and mucilage or cotton mixed textile fabrics.
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