Rubber Compounding Materials
Vulcanization Materials
Activators


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Stearic Acid F-2000
Stearic acid
Harwick Standard
ï

Non-toxic off-white powder, faint odor; titre - minimum 52C, iodine number 20 maximum; acid number - 195 minimum.

Rubber grade lower cost grade of stearic acid used to activate rubber and latex, as a dispersing agent, lubricant, stabilizer, and processing aid.


Stearic Acid R Prill
stearic acid
HB Chemical
ï

Prilled rubber grade stearic acid.

Rubber activator, dispersing agent, lubricant, stabilizer, processing aid.


Akrochem Stearic Acid-Rubber Grade (RG)
Stearic acid
Akrochem Corp.
ï

Titer 52-64°C; iodine value 10 max.; acid no. 193-213; saponification no. 193-214; Gardner color 10 max.

Dispersing agent and accelerator activator in rubber compounds.


Pristerene 9429
Stearic acid.
M.F. Cachat
ï

Tallow based rubber grade stearic acid; titre, 52-60°C, iodine no. 11 max., acid value 192-210 and saponification value 194-212.


Actone
Surface coated urea
Parabor Industria E Comercio de Produtos Quimicos LTDA
ï

Fine white powder; sp. gr. 1.32; slightly hygroscopic.

Activator for blowing agents; reduces odor of DNPT blowing agents; activator for MBT, MBTS and dithiocarbamates.


BIK-OT
Surface-coated urea
Chemtura
ï

Sp.gr. 1.31; fine, white powder; mp, 129-134°C; good storage stability under normal conditions; somewhat hydroscopic.

For CR, IIR, NBR, NR, SBR and EPDM; activator for nitrogen-type blowing agents; activator for thiazole, thiuram and dithiocarbamate accelerators; relatively nondiscoloring and non-staining; reduces odor-producing properties of dinitrosopentamethylene tetramine blowing agents; helps lower decomposition point of Celogen AZ and Kempore types to range normal for rubber curing.


Emery 531
Tallow fatty acid
Cognis
ï

Activator


Triethanolamine
Triethanolamine
The Dow Chemical Company
ï

Sp.gr. 1.124-1.130; viscous, pale yellow liquid; slight ammonia odor; hygroscopic; Bp (150 mm). 277-279°C. pH (25% solution); 11.2 flash pt. about 360°F; d, about 9.4 lb/gal.

NR, SR, latex activator; dispersing agent neutralizes clay acidity; improves processing reduces gas permeability; somewhat increase tear resistance; sBR activator with certain accelerators; add directly.


Suprmix Triethanolamine 85
Triethanolamine - silicate blend
The HallStar Co.
ï

Sp.gr. 1.277; light buff, non-dusting powder; pressure sensitive; shipped: fiber drums.

NR, SBR, latex activator; dispersing agent; use in Hi-Sil, Silene and Zeolite loaded stocks; use 3-6% on filler content.


Triethylene Glycol
Triethylene glycol
The Dow Chemical Company
ï

Sp.gr. 1.124-1.127; clear, colorless, hygroscopic liquid; Bp. 278-300°C; flash pt. 330°F; d, 9.39 lb/gal. at 20°C.

NR, SR, latex activator with non-black reinforcers.





Urea, WUF-16
Urea
Sovereign Chemical Company
ï

Coated or oil treated powder

Activator for nitrogen type blowing agents; product is hygroscopic and relatively non-dusting.


Dynamide
Urea powder formulated to improve processing and functionality.
Littlern Corporation
ï

Sp.gr. 1.34; fine white powder; avg. particle size less than 10 micron.

Activator for nitrogen blowing agents; lowers decomposition temperature; reduces odor produced by some blowing agents; secondary accelerator; component of nitrosamine-free curing systems.


Activator Dispersions - Taber brand
Various activators
Taber Inc.
ï

Paste, polymer masterbatches and netted powders of activators; compatibags, slabbed and/or pellitized masterbatches.

Consistent dispersion to improve processing.


Cadmium Oxide FlowSperse
Various percentages of cadmium oxide in different carriers
Flow Polymers LLC
ï

Paste and elastomeric dispersions

Activators for high heat resistant cure systems, prevents porosity in vulcanizates; dessicant.


Dibasic Lead Phosphite FlowSperse
Various percentages of dibasic lead phosphite in different carriers
Flow Polymers LLC
ï

Paste and elastomeric dispersions.

Activator


Dibasic Lead Phthalate FlowSperse
Various percentages of dibasic lead phthalate in different carriers
Flow Polymers LLC
ï

Paste and elastomeric dispersions.

Activator


Litharge FlowSperse
Various percentages of litharge in different carriers
Flow Polymers LLC
ï

Paste and elastomeric dispersions.

Activator for NR and SRs.


Tribasic Lead Sulfate FlowSperse
Various percentages of tribasic lead sulfate in different carriers
Flow Polymers LLC
ï

Paste or elastomeric dispersion.

Ease of incorporation and handling.


Stearic acid F-2500
Vegetable based stearic acid
Harwick Standard
ï

Non-toxic off-white powder, faint odor; titre - minimum 50C, iodine number 10 maximum; acid number - 195 minimum.

Vegetable based grade of stearic acid used to activate rubber and latex, as a dispersing agent, lubricant, stabilizer, and processing aid


Stearic acid, SA 590
Vegetable based stearic acid, rubber grade
Sovereign Chemical Company
ï

Flake, sp.gr. 0.84

see SA-590





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Click companies below for more information about Activators

Suppliers listed
on this page

Harwick Standard

HB Chemical

Akrochem Corp.

M.F. Cachat

Parabor Industria E Comercio de Produtos Quimicos LTDA

Chemtura

Cognis

The Dow Chemical Company

The HallStar Co.

Sovereign Chemical Company

Littlern Corporation

Taber Inc.

Flow Polymers LLC

     

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