Alan Chemical Industries LTD

El SDR negro azufre es Lustrous Grains, imparte un tono negro completo con un ligero tono rojizo o verdoso que tiene buena resistencia a la luz y bajo precio. Estamos disponibles en polvo, gránulos y forma líquida, con un alto grado de propiedades que otros tintes de algodón disponibles en el mercado. Las buenas propiedades de resistencia al color, como la resistencia a la luz, la resistencia al lavado y la rentabilidad, hacen que el negro de azufre sea una clase importante de tinte. Cas.No. 1326-82-5 Fuerza (con el estándar) 100% Sombra Aproximada a la Norma pH Valor 12.0-13.5 Viscosidad (mpa. S) 1.30-1.50 Application: Mainly used for dyeing on cotton, also used for dyeing on cambric, viscose and vinylon. In Denim, It shows controlled diffusion of dyestuff on slasher//rope dyeing machines for SBIT (Sulphur Bottom Indigo Topping) and IBST (Indigo Bottom Sulphur Topping) applications. It is recommended for bottoming//topping application on denim yarn The powder dye is first made into paste with a little water (containing the requisite amount of Sulphide and soda ash) and then boiled for about ten minutes with further addition of water, to make solution. This solution is then made upto the requisite volume with water in the dyeing vessel. The material to be dyed is then introduced in bath, the temperature is raised and the necessary quantity of common salt or glauber’s salt crystals are added depending upon the depth of the shade required. The material is then rinsed well, after treated if necessary, rinsed again and finished in the normal manner. SDR FASTNESS PROPERTIES (a) Acid (Organic) : 4-5 (b) Alkali : 4-5 (c) Hot processing : 5 (d) Light : 6-7 (e) Mercerizing : Redder-Apparent increase in strength (f) Milling : 4-5 (g) Perspiration : 5 (h) Washing moderate : 5 Washing Severe : 4-5 SULPHUR BLACK SDR Advantages: ALAN CHEMICAL provides full range concentration of Sulphur black powder from 100% to 240%. And We are very strong on glucose reduced Sulphur black liquid which quality same as ARHCORMA. Both Reddish and Bluish shade avaible. On 2019 have passed OEKO-TEX、On 2020 GOTS certificate.>