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Phenolic yellowing resistant agent for nylon 2191 Anti yellowing agent Main compositionspecial surfactant derivatives. General properties Appearance: yellow transparent viscous liquid Ionicity: anionic Ph: 6-8 Stability: stable to acid, electrolytes and mild alkali Solubility: easily soluble in water Product features Efficiently prevents storage yellowing due to the contact between white or pale nylon fibre and bht (butylated hydroxytoluene) while bht occurs in most plastic bags. Application Suitable for padding and exhaust dyeing. It can be used with bleaching agent in same bath or used at 70 after dyeing. It is suggested to add ht-2191 after drain of dyeing bath. 1. Padding: Ht-2191: 20-40 g/l Citric acid: 2-5 g/l Pad at room temperature with water retention at 80-85%, and dry at 120-140. 2. Dipping: For white shade, ht-2191 can be used in same bath or add at 60-70, while for other shades, ht-2191 should be added after drain. Ht-2191: 2-4% Citric acid: 0.5-1.0 g/l Process at 70 20 -30 min, then dry. Packaging and storage 125 kg/ polyethylene drum, 6 months in sealed container at room temperature. Notes The data contained in this literature are based on our current knowledge and experience. It is imperative that it be tested to determine, to your satisfaction, whether it is suitable for your intended use and application. We shall not take any responsibility in any situation for improper use. Sample supply
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Anti Yellowing Agent HT-2191 is a phenolic yellowing resistant agent for nylon, composed of special surfactant derivatives. It appears as a yellow transparent viscous liquid with anionic ionicity, pH 6–8, and is stable to acid, electrolytes and mild alkali. The supplier states it efficiently prevents storage yellowing caused by contact between white or pale nylon fibre and BHT from plastic bags. Application methods include padding at 20–40 g/L with citric acid 2–5 g/L, pad at room temperature with 80–85% water retention and dry at 120–140°C, or dipping at 2–4% with citric acid 0.5–1.0 g/L at 70°C for 20–30 minutes. It is packed in 125 kg polyethylene drums with a six-month shelf life in sealed containers at room temperature.
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HT Fine Chemical Co, Ltd. is a B2B supplier based in China, listed on Global Trade Plaza since October 2026. Use Inquire now or Chat with supplier to ask HT Fine Chemical Co, Ltd. for prices, specifications and documents for Anti Yellowing Agent.
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HT Fine Chemical Co, Ltd., a B2B supplier from China, dispatches Anti Yellowing Agent primarily through the port at China. Packaging types (e.g., bulk, custom, eco-friendly) and estimated pricing may vary based on order volume and destination. To get detailed logistics and pricing information, use Get a quote or Chat with supplier, or Sign Up for direct supplier interaction.