Nitrocellulose

Other Trading Names:

  • Cellulose Nitrate
  • Guncotton
  • Pyroxylin
  • Flash Paper
  • Collodion
  • Celluloid

CAS Number: 9004-70-0

HS Code: 3912200000

Types of Packaging:

  • 25 kg Carton Box/Bag
  • 50kg Fibre Drum
  • 130Kg Fibre Drum
Inquiry right-arrow $1,590.00
Availability: Out of stock
SKU
Nitrocellulose
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Item

Index

Class

Imperial

Excellent

First Class

Eligible

Appearance

L

White fluffy/flaky fiber

H

Nitrogen Cont %

L

10.7-11.4

H

11.5-12.2

Transmittance %

L

≥92

≥92

≥87

≥85

H

≥93

≥93

≥88

≥85

Whiteness %

≥88

≥86

≥84

≥82

Damping Agent Con %

L

25~40

H

Water Con %

≤6

Ash Con %

≤0.2

Ignition Point °C

≥180

80℃ Thermal-resistance

≥180

Acidity (as H2SO4)%

1/16 S

1/8S

1/4S

Others

≤0.08

≤0.08

≤0.07

≤0.06

Viscosity

Type

A method

B Method

C method

LW

1/8

1.7~2.8

1/4a

3.1~4.9

1/4b

5.0~8.0

1/2a

3.0~6.0

1/2b

6.1~8.4

HW

1/32

0.6~1.0

1/16

1.1~1.6

1/8a

1.7~2.2

1/8b

2.3~2.8

1/4a

3.1~4.9

1/4b

5.0~8.0

1/4c

8.1~10.0

1/2a

3.0~6.0

1/2b

6.1~8.4

 

 

1

8.5~16.0

5

4.0~7.5

10

8~15

20

16~25

30

26~35

40

36~50

60

51~70

80

71~100

120

101~135

300

220~350

800

600~1000

1500

1200~2000

Chemical Description

  • Nitrocellulose is a chemical compound derived from cellulose, a natural polymer found in plant cell walls, by treating it with a mixture of concentrated sulfuric acid and nitric acid. The process of nitration replaces hydroxyl groups in the cellulose molecule with nitro groups, resulting in a highly flammable and versatile material. The degree of nitration determines the properties and applications of nitrocellulose, which can range from slightly nitrated forms used in lacquers and coatings to highly nitrated forms used in explosives.
  • Chemically, nitrocellulose involves the substitution of hydroxyl groups with nitro groups within the cellulose structure, where the number of nitro groups per glucose unit can vary. When fully nitrated, it is highly explosive and is known as guncotton. In less nitrated forms, nitrocellulose is used in less hazardous applications.
  • Nitrocellulose is insoluble in water but soluble in organic solvents like acetone, ethanol, and ether, which makes it suitable for a wide range of industrial applications. Its solubility properties are crucial for its use in the production of lacquers, varnishes, and inks. When dissolved in a suitable solvent, nitrocellulose forms a clear, viscous solution that can be applied as a coating or adhesive. Upon evaporation of the solvent, a tough, durable film remains, making it ideal for protective and decorative finishes.
  • One of the notable properties of nitrocellulose is its ability to form films that are flexible, glossy, and fast-drying, which is why it has been extensively used in the automotive and woodworking industries. Additionally, its historical use in the production of photographic and cinema films, due to its clear, strong, and flexible nature, highlights its importance in the development of early visual media.
  • However, the highly flammable and explosive nature of nitrocellulose, particularly in its more nitrated forms, requires careful handling and storage. Degradation over time can lead to instability, and it must be kept away from heat sources and stored in a controlled environment to prevent accidental ignition.
  • In the context of modern applications, nitrocellulose is valued not only for its traditional uses but also for its role in specialized areas such as propellants in ammunition, where its rapid decomposition and gas generation provide the necessary thrust without producing significant smoke, hence the term "smokeless powder."
  • Overall, nitrocellulose’s versatility, driven by its chemical properties, continues to make it an essential material across multiple industries, from pharmaceuticals to printing to aerospace.
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