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Recycled rubber grade zinc oxide
  • Air ProRecycled rubber grade zinc oxide
  • Air ProRecycled rubber grade zinc oxide
  • Air ProRecycled rubber grade zinc oxide
  • Air ProRecycled rubber grade zinc oxide
  • Air ProRecycled rubber grade zinc oxide

Recycled rubber grade zinc oxide

Recycled rubber grade zinc oxide is usually used in combination with stearic acid HY18S6J2L, which can increase the solubility of recycled rubber grade zinc oxide in the rubber, increase the dispersibility in the rubber, improve the processing performance of reclaimed rubber products, and increase the vulcanization rate; Acid also has a lubricating effect. In the reclaimed rubber molded product, it can ensure the smooth release of the product.

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Recycled rubber grade zinc oxide

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Consumption of recycled rubber grade zinc oxide in recycled rubber products


Recycled rubber grade zinc oxide is usually used in combination with stearic acid HY18S6J2L, which can increase the solubility of recycled rubber grade zinc oxide in the rubber, increase the dispersibility in the rubber, improve the processing performance of reclaimed rubber products, and increase the vulcanization rate; Acid also has a lubricating effect. In the reclaimed rubber molded product, it can ensure the smooth release of the product.



Recycled rubber is made by recycling waste rubber and contains certain compounding agents, such as zinc oxide, carbon black and other substances. Therefore, recycled rubber grade zinc oxide is generally added in an amount of about 2-5 parts in reclaimed rubber products. Recycled rubber grade zinc oxide can be used as a colorant and filler in white latex reclaimed rubber products. The general dosage is about 4 parts. About 3 parts can be added to tire reclaimed rubber products. About 5 parts of stearic acid can be added to butyl reclaimed rubber products with about 1.5 parts of stearic acid.



Recycled rubber grade zinc oxide has many functions in reclaimed rubber products. It has different functions in different reclaimed rubber products, and it has more than one effect in the same reclaimed rubber. When designing the formula, it is necessary to design the compounding agent reasonably, strictly control the amount of recycled rubber grade zinc oxide, and consider other functions of recycled rubber grade zinc oxide, and appropriately reduce the amount of other compounds used. Under the condition of ensuring reclaimed rubber products, reduce production costs and improve production efficiency.

Item

Type1

Type2

Type3

Zinc oxide(Zn0 calculating as dry material)% ≥

99.7

99.7

99.5

Metal content(as dry)% ≤

none

none

0.008

Insoluble Matter in Hci %  ≤

0.006

0.008

0.03

Loss on ignition % ≤

0.2

0.2

0.25

Residue on sieve (45um)% ≤

0.1

0.15

0.2

Water soluble matter % ≤

0.1

0.1

0.15

 Volatile matter in 105℃ % ≤

0.3

0.4

0.5

Lead(pb)% ≤

0.008

0.05

0.1

Copper(Cu)%  ≤

0.0002

0.0004

0.0007

Manganese( Mn)%

0.0001

0.0001

0.0003

Cadmium (Cd)%

0.002

0.005

0.01

Iron (Fe)%

0.005

0.01


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