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Cellulose diacetate

      Cellulose diacetate is used for the production of chemical fibers and acetate silk. 

      Chemical formula - [C6H7O2(OH)-x(OCOCH3)x]n

      Safety requirements: fire-resistant polymer. Chemical neutral. Dust the diacetate cellulose is fire and explosion proof. The degree of impact on the human body relates to toxic substances of the 3rd hazard class.

 

KSt 6-00203855-09:2007
Code: CN FEA  3912110009

 

Index name

CDA of cotton cellulose    

CDA of wood cellulose    

Top grade

1 st grade

2 nd grade

1

Appearance

Amphorous or granule-like fractions

2

Mass share of combined acetic acid,%

54,2-55,5

54,2-55,5

54,2-55,5

54,2-55,5

3

Increment of viscosity IWF-4, not less

0,34

0,33

0,32

0,34

4

Dynamic viscosity of 23% solution of

cellulose diacetate Pas, within

70-120

80-130

90-140

not more than 90

5

Colourity of KFK, %,

0,20-0,40

0,20-0,50

0,20-0,60

0,4-1,0

6

Filterability, g/cm2

3,5-5,0

2,5-3,5

not less than 18

7

Mass share of free acetic acid,

%, not more than

0,02

0,02

0,02

0,0035

8

Mass share of low-molecular fractions, not more than

5,0

6,0

7,0

-

9

Mass share of water, not more than

3,5

3,5

3,5

3,5

10

Mass share of residue after calcination,

%, not more than

Transparency,%

There is no color change when comparing with original

at 195°С

at 190°С

at 180°С

at 200°С

11

Bulk weight, kg/m3,

0,1

0,25

0,25

0,05

12

Mass share of residue after calcination,

%, not more than

-

-

-

50±5

13

Transparency,%

-

-

-

300-450

       The product is packed in polypropylene bags with liners of polyethylene film. CDA should be stored in compressed form in the dry indoors with no direct sunlight, moisture and acid vapors.

       Transported: Cellulose diacetate (CDA) is transported by all kinds of covered vehicles in accordance with the rules of carriage of goods, operating in this mode of transport each subject to the deletion moisture and ensure the preservation of its quality.

        Warranty storage perioud is one year from the date of manufacture.

 

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