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Rubber Accelerator ZMBT(MZ)


Chemical Name: Zinc 2-mercaptobenzothiazole

Structure:


Molecular Formula: C14H8N2S4Zn

Molecular Weight: 397.86

CAS NO: 155-04-4

Specification:


Item

MZ-5

MZ-15

Powder

Oiled powder

Granular

Powder

Oiled powder

Granular

Appearance

Light    yellow powder(granular)

Light    yellow powder(granular)

Initial M.P. ℃ ≥

200.0

200.0

200.0

200.0

200.0

200.0

Loss on drying % ≤

0.30

0.50

0.30

0.30

0.50

0.30

Zinc content %

16.0-22.0

16.0-22.0

16.0-22.0

15.0-18.0

15.0-18.0

15.0-18.0

Free M % ≤

5.0

5.0

5.0

15.0

15.0

15.0

Residue on 150μm sieve % ≤

0.10

0.10

-

0.10

0.10

-

Residue on  63μm  sieve % ≤

0.50

0.50

-

0.50

0.50

-

Additive %

-

1.0-2.0

-

-

1.0-2.0

-

Granule Diameter mm

-

-

2.50

-

-

2.50


Properties: Light yellow powder (granule) with a little bitter, no poison. The density is 1.70, the decomposable temperature is 300οC. Soluble in chloroform, acetone, partly soluble in benzene, ethanol, CCl4, insoluble in gasoline, water and ethyl acetate. Decomposition when meeting strong acid and strong alkali


Application: Used for NR,IR,SBR,NBR, EPDM and latex. May be regarded as an intermediate between M and DM. Used as a secondary accelerator in combination with PZ and EZ. Similar performance as MBT at curing temperature in dry rubber application. Has lower scorch and better processing safety. Suitable for mold curing. Require zinc oxide and stearic acid as activators in many kinds of rubber batch. Easily disperses in rubber; yields non-staining and non-discoloring products. Mainly used in the manufacture of latex products, foam rubber, latex coating gloves, etc


Package: 25kg plastic woven bag, paper with plastic film bag, kraft paper bag or jumbo bag


Storage: The product should be stored in the dry and cooling place with good ventilation, avoiding exposure of the packaged product to direct sunlight. The validity is 2 year.


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