Direct Black 19 Direct Fast Black G for Viscose/Paper

Product Description

Product Name: Direct Black 19
C.I. No.: 35255
CAS No.: 6428-31-5
Molecular Formula: C34H27N13Na2O7S2
Molecular Weight: 839.77
Relative Name:
Direct Light Fastness Black L-3BQ,Direct Light Fastness Black,Direct Light Fastness G
Direct Black 19, disodium salt (8CI);Artificial SilkBlack G;Artificial Silk Black GN;Artificial Silk Black GR;Bali Viscose Black G;BencidalFast Black G;Benzanil Fast Black G;Benzo Fast Black G;Benzoform BlackRRA-CF;;ChromeLeather Black GNA;Columbia Fast Black G;Daiwa Black 320H;Diamine Fast Black B;Direct Black 19;Direct Black L 3BG;Direct Fast BlackGU;Direct Fast Black SA;Direct Rayon Black KSG;Formal Fast Black 2B;Hispamin Fast Black CG;Kayarus Black G;Kayarus Black G Conc.;Orient Water Black 7;Phenamine Viscose Black RR;Pyrazol Fast Black GS;Rayon Black G;Rayon BlackGSN;Solar Black G;Sumilight Black G;Tertrodirect Black V;Tetrazo Deep Black GC Extra;Viscose Black GNA;Viscose Black J;Viscose Black N;Viscose Black NG;Vondacel Black VN;Water Black 100L;WaterBlack 108L;Water Black P 200;

Direct Direct Black 19 Physical Properties and light fastness, solubility.

Direct Direct Black 19
Dyeing depth %	2
Insolubles %	0.15
Light Fastness	3
Washing Fatness	2
Rubbing fastness(dry)	4
Rubbing fastness(wet)	3

Direct Direct Black 19 Properties:
green and black. Black powder. Soluble in water for green light black, solubility of 100 g/L (80 ºC), slightly soluble in ethanol and acetone. The strong sulfuric acid in the green light for black, dilute red after black precipitation; In nitric acid to dark brown. Dyes and microstructure of sulfuric acid solution 10% red; Add thick sodium hydroxide solution for green light blue. Copper ions in dyeing color shade the green, iron ion a slight change in color.

Applications:
Used in viscose of dyeing and printing. In the cotton knitwear, blankets, flannelette, silk, viscose, silk that the fabric, wool/viscose fiber blend fabrics can be used. Can also be used in leather, paper and electrochemical aluminum color.

---

>> Automatic Rotary Two Color Rubber Gumboot Production Line
>> Wholesale Vacuum Pack Fresh Yellow Mixed Colour Waxy Sweet Corn
>> Easy De-Moulding Panel Machine Lightweight Precast Wall Concrete Wall Panels Making Machine/ Production Line/Equipment for Sale
>> PVR30 PVR32 Tire Valve Motorcycle Scooter
>> Tc30 Linear Guide Way CNC Machine Tool Turning and Milling with B Axis 6-Sided Machining Center
>> Aluminium Alloy18cm 20cm 25cm 30cm Anti-slip Swimming Pool Grilles Plastic Overflow Pool Grating
>> Lady Sheepskin Leather Women Fashion Winter Gloves Full Fingers
>> Ctx6325 Turret Milling&Drilling Machine with Dro Auto Feed
>> 700L Type High Clearance Propelled Agriculture Boom Spray
>> Automatic Comfortable Cattle Body Cleaning Brush, Milk Cow Scratch Brush
>> High Quality Collapsible Folding Thicken EVA Fishing Bag Tackle Live Fish Box Tank Bucket Camping Outdoor Fishing Tackle
>> High-Efficiency Fuel Oil Heater for Optimal Heating and Energy Savings
>> Handbags Women Handbags Ladies Laptop Work Shoulder Tote Bags with Large Space
>> Free Sample Factory Good Quality Custom Logo OEM Double Glass Bottle Packing Top Red Wine Luxury Paper Gift Bag Box With Handles
>> Full Automatic Vertical Flow Formed Fill Seal Pouch Sachet Filling Packaging Machine Small Liquid Vertical Packing Machine
>> Shared single car password lock aluminum alloy shell
>> Factory high frequency hardening gear specifications can be customized
>> Customize Perforated Metal Mesh for Speaker Grill
>> Bluetooth Speaker High Power HiFi Audio Speaker Passive Radio Music Sound Equipment USB XLR Speaker Sound Box PA Speaker with APP Control
>> Chain Saw 58cc Wood Saw Single Cylinder Power Saw