Paper Dye Direct Red 31 Direct Red 12b

Model NO.: Direct Red 31
Trademark: Emperor
Origin: China
HS Code: 3204140000
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.
Paper Dye Direct Red 31 Direct Red 12b

Paper Dye Direct Red 31 Direct Red 12b
Paper Dye Direct Red 31 Direct Red 12b
Paper Dye Direct Red 31 Direct Red 12b
Paper Dye Direct Red 31 Direct Red 12b








 

Polishing Lapping Pad

These tools and materials are commonly used in lapidary work, jewelry making, and metalworking for achieving smooth and polished surfaces on gemstones and metal pieces. Each serves a specific purpose in the various stages of grinding and polishing. Always make sure to use the appropriate lap or disc for the type of material you are working with to achieve the desired finish.

  1. Leather Polishing Disc:

    • Material: Leather discs are often used in conjunction with polishing compounds for fine polishing and buffing in jewelry and lapidary work. The leather provides a soft and flexible surface.

  2. Phenolic Faceting Lap:

    • Material: Phenolic laps are commonly used in lapidary work for faceting gemstones. Phenolic is a type of resin that is bonded with abrasive materials to create grinding and polishing laps.

  3. Tin Polishing Lap:

    • Material: Tin laps are used in the faceting process for gemstones. These laps have a layer of tin on their surface, which is used with polishing compounds for achieving a high polish on gem facets.

  4. Zinc Alloy Polishing Lap:

    • Material: Zinc alloy laps are also used in lapidary work, particularly for faceting gemstones. Similar to other laps, they are coated with abrasive materials and used in combination with polishing compounds.

  5. Polishing Head:

    • Tool: A polishing head is a tool used in various applications for buffing, polishing, and finishing surfaces. It can be attached to rotary tools or other polishing equipment.


Leather Polishing Disc,Phenolic Faceting Lap,Tin Polshing Lap,Zinc Alloy Polising Lap,Polishing Head

Hans Super Abrasive Diamond Tool Co.,Ltd , https://www.hansuperabrasive.com