Direct Dyes Black 56 for Paper Dyeing

Product Description

Product Name: Direct Black 56
C.I. No.: 34170
CAS No.: 8003-57-4
Molecular Formula: C36H22N7Na3O10S3
Molecular Weight: 877.77
Shade: red light grey. Gray powder.

Relative Name:
Direct Light Fastness Gray LBN,Direct Light Fastness Gray LRN,Direct Gray L-8BR;

Direct Direct Black 56 Physical Properties and light fastness, solubility.

Direct Black 56
Dyeing depth %	2
Insolubles %	0.15
Light Fastness	4-6
Washing Fatness	2
Rubbing fastness(dry)	4
Rubbing fastness(wet)	3

Direct Direct Black 56 Properties:red light grey. Gray powder. Soluble in water for dark purple, not soluble in alcohol. The strong sulfuric acid in the green light for gray blue, diluted into purple. The dye solution to join strong hydrochloric acid have precipitation of dark; Add thick, hydrogen oxidation solution have dark purple precipitation. Cellulose fiber of dyeing, the dye well after sex is good, in the 80 ºC temperature when the biggest affinity. Discharge sex is good, hard to sensitive. For the red light gray color. Dye in bath of copper, iron ion colored light basic unchanged, the SDC classification for a class B. Neutral and alkaline white are 5 levels.

Applications:
Mainly used for cotton, linen, silk, cellulose fiber fabrics such as glue the dyeing. Can also be used for leather, paper all the dyeing.

Note: The data contained here are based on our current knowledge and experience. It is the responsibility of user to test our products before the final application.
EXHIBITIONS PHOTOS:
FACTORY PHOTOS:

---

>> Allied hy-ram77 710 905b 805c 805b 800 797cs 790 785cs 785b ar95b ar130b hr230 hr500 hr14 hydraulic breaker rock hammer chisels seal kits oil seal
>> High Efficiency Paper Cushioning Wrap Machine
>> Metal CNC Lathe Machine Price Ck6140 Ck6146 Ck6150 Ck6156
>> Lane Manure Disposal Equipment Liquid Fertilizer Mixing Machine Liquid Chemical Fertilizers Production Line
>> Hot Sale Promotion Gift Car Shape PVC Fridge Magnet
>> Nickel Cadmium Battery,Nickel Iron Battery,Lithium Battery,AGM Battery,Solar Battery,OPzV battery
>> Hg32 ERW Pipe Making Machine
>> 80W 100W 120W 150W 180W CNC Wood/Acrylic/Plastic/Glass/Fabric/Textile/Leather 1390 CO2 Laser Engravers Cutters Engraving Cutting Machines Price
>> Beke CNC Hydraulic Rolling Machine 4 Roller Automatic Rolling Machine
>> Marchtop Fashion Diqital Hydraulic Water Pump Vacuum 12V Pressure Control Switch
>> IPL+RF+ND YAG+Hifu+Gold Microneedles Diode Laser Tattoo Removal Laser 4in1
>> Tungsten Carbide 4 Flutes Square Endmills
>> Shandong Bearing Factory Wheel Hub Bearing Units 43550 Truck Auto Bearing
>> Modern Double Tempered Clear Glass UPVC PVC Swing Casement Door
>> 1: 24 New Design RC Boat Remote Control Toy with Double Propellers
>> Ceramic Coating Wire Pulley/Assemble Ceramic Pulley Wheel/Big Idler Pulley
>> Gogo Fresh Vegetables for Global Market
>> Single Using Mini Cute Forks Eco-Friendly Disposable Bamboo Sticks for Kids Use
>> Hydraulic CNC Bender, Full Automatic Bending Machine for Copper, Stainless Steel, Aluminum, Carbon Steel
>> Electronic Biometric Mobile ID Duty-Free Airport E Passport RFID Mrz Ocr Passport Reader PPR-100A