Direct Dyes Red 31 for Paper Dyeing

Model NO.: 29100
C.I.No.: Direct Red 12b
Molecular Formula: C32h21n5na2o8s2
Molecular Weight: 713.65
CAS No.: 5001-72-9
Related Name: Direct Red 12b
Insolubles: 0.15
Light Fastness: 2
Washing Fatness: 3
Rubbing Fastness: 4-5
Trademark: emperor
Transport Package: Bag
Origin: China
HS Code: 3204140000
Direct Dyes Red 31 for Paper Dyeing
Product Name: Direct Red 31
C.I. No.: 29100
CAS No.: 5001-72-9
Molecular Formula: C32H21N5Na2O8S2
Molecular Weight: 713.65
 
Relative Name:
Direct Red 12B,Direct Fast Pink,Direct Pink 12B,Direct Pink 5B.
 
Shade: colourful red blue light. Red brown powder
 
Direct Red 31 Physical Properties and light fastness, solubility.
                                             Direct Red 31
Dyeing depth % 2
Insolubles % 0.15
Light Fastness 2
Washing Fatness 3
Rubbing fastness(dry) 4-5
Rubbing fastness(wet) 2
 
Direct Red 31 Properties and Applications:
Soluble in water for product red solution, the solubility of 45 g/L (80 ºC), also can dissolve in fiber element solution, slightly soluble in alcohol for red orange, insoluble in other organic solvents. The strong sulfuric acid in orange to red light for brown, diluted dark blue light red precipitate generated; In nitric acid solution for orange brown, precipitation. The dye solution to generate strong hydrochloric acid purplish red precipitate; Add thick sodium hydroxide solution for orange brown. Copper ions in dyeing dim light; Iron ion in micro have change. Mainly used in viscose, such as cotton, silk, polyamide fiber cellulose fiber and viscose/silk blended fabric dyeing, can be used for pulp shading.
Package, 25KG/DRUM, CARTON BOX, BAG
 
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:
Direct Dyes Red 31 for Paper Dyeing



FACTORY PHOTOS:
Direct Dyes Red 31 for Paper Dyeing
Direct Dyes Red 31 for Paper Dyeing
Direct Dyes Red 31 for Paper Dyeing
Direct Dyes Red 31 for Paper Dyeing

Non-CNC Rebar Bending Machine, GW40 and GW50 Rebar Bending Machine belongs to this type of machine. 

This model control by manual, and worker press the green / red button to control the bending angle.


1. Simple operation, safe and durable, high quality copper wire motor, guarantee a more stable performance.

2. Fully enclosed gearbox lubrication, worm gear and worm drive, with speed adjustable gear, strong bending strength, not rebound.

3. ultra-high hardened accessories, adjustable baffle which guarantee a longer service life.

4. Machine surface adopts plastic-spray treatment; Accessories like long strips and disc are solid, forged, and chrome plated, so they are beautiful and generous.

5. Specially use thickened steel plate, high rigid disc and bar iron, high power medium speed national standard high quality electronic motor, guarantee a more stable performance. 

Rebar bending machine


bending shapes

Non-Cnc Rebar Bending Machine

Cheap Rebar Bending Machine,Used Rebar Bender Bending Machine,Manual Profile Rebar Bending Machine,Automatic Electric Rebar Bending Machine

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