Buy rubber antioxidants prevents rubber from aging due oxidation in air

chemical-categories

Rubber Antioxidant 4020(6PPD) Industrial Grade

Chemical Name   N(1,3-dimethyl-butyl)-N'-phenyl-P-phenylenediamine

 Molecular Structure

Molecular Formula  C18H24N2

Molecular Weight  268

CAS No.  793-24-8

Specifications GB/T 21841-2008

  Item

Specifications

Appearance

Black brown lumpish or granular solid

Assay                (%)Min

96

Initial Melting Point (℃)Min

45

Freezing Point    (℃)Min.

46

Heat Loss         (%)Max.

0.5

Ash                   (%)Max.

0.3

 

Properties  Density :0.98g/cm3 ,soluble in gasoline, benzene, acetone and etc. Insoluble in water.

Applications It is an antioxidant used for rubber products with high efficiency, low poison and low solvent-extraction amount. Also used as stablizer in synthetic rubber. It’s main used in tire, rubber shoes, belt, hoses automotive mounts so on. 6PPD is regulated for use in articles in contact with food as specified under FDA 21 CFR 177.2600 and under BGVV XXI, Categories 3-4.

Storage  Store closed containers in a cool, dry, well-ventilated area. Avoid exposure to direct sunlight.

Packing  25kg net paper bags lined with polyethylene film bags.

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Rubber Antioxidant NDBC(NBC) Industrial Grade

Chemical Name   Nickel Dibutyl Dithiocarbamate

Molecular Structure                                                   

Molecular Formula  C18H36N2S4Ni

Molecular Weight   467

CAS#   13927-77-0

Specifications  Q/KES202-2007

 Item

 Specifications

Appearance

Dark green powder

Initial Melting Point                 (℃) Min.

83

Heat Loss                       (%)Max.

0.5

Nickel content                     (%)

12.0 ~13.0

Residue on 150μm Sieve   (%)Max.

0.1

Residue on 63μm Sieve   (%)Max.

0.5

 

Properties  Density is 1.26g/ cm3. flashing point is 260℃. Soluble in chloroform, benzene and carbon bisulfide, a little soluble in acetone, insoluble in water.  

Applications Mainly use in styrene-butadience rubber, chloroprene rubber and chlorosul-fonated polyethylene rubber. Avoiding the rubber crack for the sunshine and ozone, promoting the heat-resistant of chloroprene rubber and chlorosul-fonated polyethylene rubber. In plastic industry, it can be used as stabilitant and ozone-resistant agent for high polymer materials. It has advantage of stability for polypropylene fibre, thin film and narrow belt, but it will make the products appear yellow-green color. The use level is 0.3-0.5%. NDBC is regulated for use in articles in contact with food as specified under BgVV XXI, Category 4.

Storage Store closed containers in a cool, dry, well-ventilated area. Avoid exposure to direct sunlight.

Packing  25kg net paper bags lined with polyethylene film bags..

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