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ACMETARD RE is highly essential for rubber compounds based on NR, IR, SBR, BR & NBR for improved processing characteristics. It is widely used in tyre compounds formulations involving sulphenamide accelerators systems. It can also be used as replasticizing agents for rubber compounds which either have been subjected to high temperatures for a long period during processing or stored for a long time under different fluctuating ambient temperatures and therefore can not be processed further or shaped without the risk of scorching.

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Dicyclohexyl Disulfide

Dicyclohexyl Disulfide Cas NO : 2550-40-5 Purity : 90.5%% Molecular Formula: C12H22S2 Molecular Weight: 230.43 Packing: 200kg/drum Uses: used in synthesis of pharmaceuticals, pesticides, dyes and other organic compounds


N-(Cyclohexylthio)phthalimide is a high effective pre-vulcanization inhibitor.It is applied in NR,SBR,BR,IIR,CR,EPM,EPDM,NBR with cure system consisting of sulfur and Thiazole but mainly Sulphenamide Accelerator.It is used in natural rubber and synthetic rubber. It may protect effectively the rubber material from scorching during Processing, so that to make it possible for extruder and calender to be running at a high temperature and high speed and improve the production the storage stabilizztion of the rubber material,protect natural vulcanization during storage.

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Rubber Antiscorching Agent CTP(PVI) Industrial Grade

Chemical Name  N-(cyclohexylthio)Phthalimide

Molecular Structure

Molecular Formula  C14H15O2SN

Molecular Weight  261.34

CAS No. 17796-82-6

Specifications Q/KES274-2007





   White or light-yellow crystals powder

Assay                    (%)Min


Initial Melting Point         (℃)Min.


Heat Loss               (%)Max.


Ash                      (%)Max.


Toluene undissolved matter  %MAX



Properties  Density :1.25~1.35g/cm3 ,soluble in gasoline, benzene, acetone and etc. Insoluble in water.

Applications It is a high effective pre-vulcanization inhibitor. It's applied in NR, SBR, BR, IIR, CR, EPDM, NBR with cure system consisting of sulfur and Thiazole but mainly Sulphenamide Accelerator. Even a small addition of this products to rubber compounds. PVI 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.


WESTCO CTP is an anti-scorching agent for both NR and SR rubber. It is a pre-vulcanization inhibitor. It provides predictable scorch control in most sulphur vulcanization and improved cost performance through marginal stock recovery, single-stage mixing, higher processing and/or curing temperatures. Crystals provide free flowing and non dusting characteristics.

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Zinc Dibenzyldithiocarbamate

Zinc dibenzyldithiocarbamate is a very fast primary or secondary accelerator for NR, SBR, IIR, EPDM and for natural and synthetic latexes. It provides excellent prevulcanization resistance in latex compounds. It has the best scorch resistance among zinc dithiocarbamate accelerators.

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