US Domestic Products

Rubber Chemicals
Rubber Chemicals


Company Information

US Headquarters

  • 4040 Embassy Parkway, Suite 190
    Akron, Ohio 44333
    Phone: 330-542-8400


Accelerators & Vulcanizers

Sovereign Chemical is the premiere provider of chemicals targeting the rubber and plastics industry. We specialize in Additives, Adhesives, and Resins.

 

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Copper 2-mercaptobenzothiazolate

Sovchem® CMBT Oiled Powder  
 Product Bulletin
 SDS

CMBT is a fast-curing accelerator especially suited for EPDM. Its vulcanizates have low compression set. CMBT is used extensively in hose compounding.

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Zinc dibenzyldithiocarbamate

Sovchem® ZBEC Oiled Powder  
 Product Bulletin
 SDS

Ultra accelerator that is activated at low temperatures. ZBEC is one of few dithiocarbamates that is not a concern with nitrosamines. It does not generate a secondary amine that is volatile enough to migrate out of the rubber and form nitrosamines.

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Tetraethyl thiuram disulfide

Sovchem TETD Crystal  
 Product Bulletin
 SDS

Fast-curing ultra accelerator for NBR, EPDM and most other polymers.

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Tetramethyl thiuram monosulfide

Sovchem® TMTM Powder,Oiled Powder and Granule  
 Product Bulletin
 SDS

Fast curing ultra-accelerator for nitrile, EPDM and most other polymers. May be used alone or with thiazoles. Gives tight cure with good compression set, high modulus, good color and age resistance.

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Thiourea, N,N'-dibutyl

Sovchem® DBTU   
 Product Bulletin
 SDS

Ultra accelerator for CR and a secondary accelerator for natural rubber, EPDM and SBR. Also used as a corrosion inhibitor in non-rubber applications.

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2-Mercaptobenzothiazole

Sovchem® MBT Powder   
 Product Bulletin
 SDS

Fast curing primary accelerator suitable for use in most polymers. Best results are obtained with a combination of MBT as the primary accelerator and thiuram, dithiocarbamate or guanidine accelerators as boosters. MBT acts as a retarder in CR based compounds. Acts as a mild peptizer for NR and CR rubbers. Applications include motor cycle/scooter tires, butyl tubes, belts, retreads, footwear, hot air cured products, hoses, cables and miscellaneous molded and extruded rubber products.

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Diphenyl guanidine

Sovchem® DPG Granule  
 Product Bulletin
 SDS

Thiazole and sulfenamide booster, accelerator. Non-nitrosoamine generating. Can replace TMTD in many applications. Excellent accelerator for curing thick rubber articles.

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Zinc di-isobutyl dithiocarbamate

Sovchem ZDiBC Powder  
 Product Bulletin
 SDS

Used for primary or secondary ultra-accelerator in NR, IR, BR, SBR, NBR, HR, EPDM, and their latexes. Similar in property to PZ and EZ. Less accelerating effects than PZ and EZ to dry rubber. Effectively used in both natural and synthetic latexes for faster curing at normal (low) temperature than PZ and EX, and less scorching and blooming.

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N,N-Dicyclohexyl-2-benzothiazolesulfenamide

Sovchem® DCBS Oiled Powder  
 Product Bulletin
 SDS

Delayed-action slow curing sulfenamide accelerator. DCBS is more often used in steel skim compounds for improved adhesion. Stocks containing DCBS can be stored for long time without deterioration in scorch safety or vulcanisate properties. DCBS is highly suitable and widely used in retread, large tires, shock absorbers and conveyor belts.

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2-Mercaptobenzothiazole disulfide

Sovchem® MBTS Powder  
 Product Bulletin
 SDS

Similar in performance to MBT, but provides much greater scorch resistance. Can also be boosted with thiurams, dithiocarbamates, and guanidines.

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Hydroxylamine Hydrochloride

Sovchem® HAHC  
 Product Bulletin
 SDS

In the rubber and plastics industries, it is an antioxidant, vulcanization accelerator, and radical scavenger. It is also used as a fixative for textile dyes as a metal extraction and flotation aid, as an antioxidant in fatty acids and soaps, and as a color stabilizer and emulsion additive in color films. It is a starting material for pharmaceuticals and agrochemicals manufacturing.

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Polymeric Sulfur

Sunsine HD-OT20 Oiled Powder  
 Product Bulletin
 SDS

Non-staining, non-coloring Sulfur curing agent. Used to retard bin scorch, prevent migration of sulfur and preserve surface tack which is important in the manufacture of tires and other plied-up rubber goods.

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Polymeric Sulfur

Sunsine HS-OT20 Oiled Powder  
 Product Bulletin
 SDS

Non-staining, non-coloring Sulfur curing agent. Used to retard bin scorch, prevent migration of sulfur and preserve surface tack which is important in the manufacture of tires and other plied-up rubber goods.

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Tetrabenzyl thiuram disulfide

Sovchem® TBzTD Oiled Powder  
 Product Bulletin
 SDS

A fast curing primary or secondary accelerator in NR, SBR and NBR applications. Safer for processing than TMTD because it provides longer scorch times. Also used as a retarder in the vulcanization of PVC rubber. Developed to replace thiurams such as TMTD where the presence of nitrosamines is of concern. The dibenzylnitrosamine is not carcinogenic according to published literature.

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Tellurium diethyldithiocarbamate

Sovchem TDEC  
 Product Bulletin
 SDS

Ultra accelerator that is activated at low temperatures. Can be used as a primary and a secondary accelerator.

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Tetramethylthiuram disulfide

Dimicit TMTD Oiled Powder  
 Product Bulletin
 SDS

Fast-curing ultra-accelerator for NBR, EPDM and most other polymers. May be used alone or with thiazoles. Cure modifier in CR: retards G-types, accelerates W-types. TMTD can also act as a sulfur donor for semi-EV and EV-type cure systems. Vulcanizates that are cured with TMTD used as an accelerator with little or no sulfur have excellent aging properties.

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Zinc Diethyldithiocarbamate

Sovchem® ZDEC  
 Product Bulletin
 SDS

Ultra accelerator that is activated at low temperatures. Can be used as a primary and a secondary accelerator. It has a medium scorch safety for a dithiocarbamate. Vulcanizates have excellent aging properties Can be used in natural rubber and most synthetic elastomers. Also used in latex. Especially good in with slow curing polymers such as EPDM and butyls. Is synergistic with thiazoles where it is used as a secondary accelerator. Thiurams can be used to slightly delay the scorch of dithiocarbamates. Promotes a fast cure that is activated at low temperatures. Dithiocarbamates promote predominately mono-sulfidic crosslinks that are good for heat aging resistance and low compression set. They promote high crosslink densities.

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Zinc dimethyldithiocarbamate

Sovchem® ZDMC Powder and Oiled Powder  
 Product Bulletin
 SDS

Used for NR, IR, BR, SBR, NBR, HR, EPDM and natural and synthetic latexes. Stronger accelerating power than TMTD. Strong resistance to scorching. In its handling, care should be taken because of its increase activation and strong tendency to scorch at low temperatures (100º C). Often used as a secondary accelerator.

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2-Benzothiazolethione, zinc salt

Sovchem® ZMBT  
 Product Bulletin
 SDS

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 performace as MBT at curing temperatures 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.

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Dithiocarbamates

Copper dibutyldithiocarbamate

Sovchem® CDBC Granule or Powder  
 Product Bulletin
 SDS

Protection agent and stabilizer for plastics. Also used as an inhibitor for production of acrylic acid.

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Nickel dibutyldithiocarbamate

Sovchem® NBDC Oiled Powder  
 Product Bulletin
 SDS

Most often used as an antidegradant but can also be used as a secondary accelerator.

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Zinc dibutyldithiocarbamate

Sovchem® ZDBC Oiled Powder  
 Product Bulletin
 SDS

Ultra accelerator that is activated at low temperatures. Also used as a stabilizer in NR and as an antioxidant in thermoplastic rubbers, butyl rubber and hot melts.

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Guanidines

Diorthotolyl guanidine

Sovchem® DOTG Oiled Powder  
 Product Bulletin
 SDS

Non-staining thiazole and sulfenamide booster, accelerator Non-nitrosamine generating. More active than DPG. Can be used in curing Vamac G (registered trademark of Dupont). Slow curing primary accelerator for natural rubber but too slow for synthetic rubbers. DOTG has more scorch safety than DPG. Need slightly less DOTG than DPG to get the same state of cure.

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Diphenyl guanidine

Sovchem® DPG Oiled Powder  
 Product Bulletin
 SDS

Thiazole and sulfenamide booster, accelerator. Non-nitrosamine-generating; Can replace TMTD in many applications. Excellent accelerator for curing thick rubber articles. DPG has less scorch safety than DOTG. Need slightly more DPG than DOTG to get the same state of cure. DPG produces predominately poly-sulfidic crosslinks which maximizes the tear strength of its vulcanizates.

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Sulfenamides

N-cyclohexyl-2-benzothiazolesulfenamide

Sovchem® CBS Granule  
 Product Bulletin
 SDS

Delayed action sulfenamide accelerator. CBS has the ability to provide fast efficient mixing of difficult, highly loaded carbon black reinforced compounds without sacrificing scorch safety or physical properties. Its vulcanizates have good reversion and aging resistance.

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N-oxydiethylene-2-benzothiazylsulfenamide

Sovchem® MBS (MOR) Granule  
 Product Bulletin
 SDS

Has the longest scorch delay of the delayed action thiazole and sulfenamide accelerators making it ideal for calendered compounds such as steel belt and textile skim compounds. It is particularly suited for steel belt skim compounds.

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N-t-butyl-2-benzothiazolesulfenamide

Sovchem® TBBS Granule  
 Product Bulletin
 SDS

Delayed-action sulfenamide accelerator. TBBS has the ability to provide fast efficient mixing of difficult, highly loaded carbon black reinforced compounds without sacrificing scorch safety or physical properties. Its vulcanizates have good reversion and aging resistance.

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Sulfur Donors

4,4'-Dithio-bis-morpholine

Sovchem® DTDM Powder and Granule  
 Product Bulletin
 SDS

Sulfur donor or accelerator with long scorch safety. Excellent for hard to process compounds such as highly loaded compounds and compounds that are calendered. Vulcanizates cured with DTDM have excellent heat aging properties.

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Thiazoles

2-Mercaptobenzothiazole

Sovchem® MBT Granule  
 Product Bulletin
 SDS

Sovchem® MBT Oiled Powder  
 Product Bulletin
 SDS

Fast-curing accelerator suitable for use in most polymers. Best results are obtained with a thiuram, dithiocarbamate or guanidine booster.

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2-Mercaptobenzothiazole disulfide

Sovchem® MBTS Granule  
 Product Bulletin
 SDS

Sovchem® MBTS Oiled Powder  
 Product Bulletin
 SDS

Similar in performance to MBT, but provides much greater scorch resistance. Can also be boosted with thiurams, dithiocarbamates, and guanidines.

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Thioureas

Diethylthiourea

Sovchem® DETU Crystal  
 Product Bulletin
 SDS

Ultra-accelerator for CR & secondary accelerator for NR & SBR. Corrosion inhibitor in metal treatment solutions.

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Diphenylthiourea

Sovchem® DPTU Powder  
 Product Bulletin
 SDS

Slow accelerator for dry rubber and latex. Used in medical goods and tires. Provides good heat aging.

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Ethylene thiourea

Sovchem® ETU Oiled Powder  
 Product Bulletin
 SDS

Ultra-accelerator for use in CR.

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Thiurams

Dipentamethylenethiuram tetrasulfide

Sovchem® DPTT Oiled Powder  
 Product Bulletin
 SDS

Secondary accelerator and sulfur donor. Has more scorch safety than TMTD or TETD. Vulcanizates cured with DPTT have excellent aging properties and good heat resistance.

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Tetramethylthiuram disulfide

Sovchem® TMTD Oiled Powder  
 Product Bulletin
 SDS

Fast-curing ultra-accelerator for NBR, EPDM and most other polymers. May be used alone or with thiazoles. Cure modifier in CR: retards G-types, accelerates W-types. TMTD can also act as a sulfur donor for semi-EV and EV-type cure systems. Vulcanizates that are cured with TMTD used as an accelerator with little or no sulfur have excellent aging properties.