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China, Chinese Zdhc Mrsl V3.1 Optical Brighener EMT/Fluorescent Brightener Sfn1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Chemical Auxiliary CatalystTextile Auxiliary AgentEMTOptical Brightening Agent EMT
Afine Chemicals Limited
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Product Description Optical Brightener EMT(Fluorescent Brightener SFN)Chemical name: Stilbene derivativeC.I.Number: 199Appearance: Slight Yellow powderIonic character: NonionicPH value: 6 ~ 8Solid content: 20% (min)Property: Mainly be used in whitening of polyester fabric and its blends with strong fluorescence, high whitening performance, good fastness to light, wash and excellent fastness to sublimation.Process:Pad-thermos fixing processER-330 2-3g/L (should be adjusted according to the sample testing), procedure: pad(two dips and two squeezes, residual liquor content 70%) →dry(100oC) →(180-200oC, 20-30s).Attention:The goods must be rinsed thoroughly after pretreatment to ensure the PH below 8 the PH of the pad liquor should be adjusted to 4-5 with acetic acid.HT exhausting processER-330 0.2-0.3%(o.w.f) liquor ratio 1:10-30Treating temperature 120-130oC Treating time 30-60minPH 5-10 (5-7 is specially recommended) ItemsSpecificationsResultsAppearanceSlight yellow-green LiquidConformParticle size (≤2-3um)≥90%≥95%PH6 ~ 86.8C.I.E whitenessWg: 140.7 Tw: 2.93 (Usage: 0.3%)Active content20.0±0.5%20.0%
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