Rubber Compounding Materials
Vulcanization Materials
Activators


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Akrochem Zinc Oxide 35
Precipitated zinc oxide
Akrochem Corp.
ï

White to light yellow powder; sp.gr. 5.6; surface are 35 m2/gram.

Effective activator of extremely fine particle size; use in NR, SR and latex applications; high activity permits 20-30% reduction in loading compared to regular zinc oxide; useful in transparent and translucent rubber articles; crosslinking agent for CR and XNBR.


Akrochem Oleic Acid
Primarily cis-9-octadecenoic acid (oleic)
Akrochem Corp.
ï

Oyster white liquid; sp.gr. 0.90

Utilized as an activator, plasticizer in NR and SR where color or clarity are not critical; typical loading 2-10 phr.


Poly-Dispersion ERD-90
Red Lead in an EPR binder
Rhein Chemie Corporation
ï

Sp.gr. 4.57; Red Lead, 90%; very fine dispersion in elastomeric slab form, scored, dusted and separated with PE.

To produce low water absorption polychloroprene compounds and EPDM wire; provides processing and handling safety, excellent dispersion, uniform cures curing activator for CR, IIR, CSM.


Akroform Pb3O4-90/EPR/P
Red Lead in EPR
Akrochem Corp.
ï

90% active.

Easy and safer handling; used primarily as ECO acid acceptor.


Kenmix
Red lead/N 5/1
Flow Polymers LLC
ï

Sp.gr. 3.82

Activator in paste form in Kenflex N.


Kenmix
Red lead/N 9/1
Flow Polymers LLC
ï

Sp.gr. 4.93

Activator in paste form in Kenflex N.


Kenmix
Red lead/P 5/1
Flow Polymers LLC
ï

Sp.gr. 3.82

Activator in paste form in Kenflex P.


Kenmix
Red lead/P 9/1
Flow Polymers LLC
ï

Sp.gr. 4.93

Activator in paste form in Kenflex P.


Kenmix
Red lead/Sundex 790 9/1
Flow Polymers LLC
ï

Sp.gr. 4.81

Activator in paste form in Sundex 790.


Kenmix
Red lead/Sunpar 2280 9/1
Flow Polymers LLC
ï

Sp.gr. 4.7

Activator in paste form in Sunpar 2280.





Drimix
Ridacto 75 Powder
Flow Polymers LLC
ï

Sp.gr. 1.22

Free flowing powder form of Ridacto, an accelerator activator


Stearic Acid
Rubber grade stearic acid
The HallStar Co.
ï

Sp.gr. 0.84' white flakes, mild fat odor; non-toxic; mp, 70°C; idine no, 9.5, titre 52°C, acid number 197-209.

For NR, SRs (except IIR), latexes; activator; plasticizer; softener; gives acid-type activation; improves processing; aids filler and pigment dispersion; add directly.


SA-590
Rubber grade, vegetable based stearic acid
Sovereign Chemical Company
ï

Flake, sp. gr. 0.84

Vegetable based grade of stearic acid designed for use in rubber compounding as an activator; also used in esters for various lubricant applications as metal working and textile lubricants, and in the production soaps, emulsifiers, and metallic stearates.


Drimix
Silacto 75 Powder
Flow Polymers LLC
ï

Sp.gr. 1.25

Free flowing powder form of Silacto, an activator for silica containing stocks.


Rhenofit F
Specially treated fine CaO
Rhein Chemie Corporation
ï

Sp.gr. approx. 3.0; white powder

Cross-linking modifier and desiccant for the use in fluoroelastomers.


Rhenofit CF
Specially treated very fine Ca(OH)2
Rhein Chemie Corporation
ï

Sp.gr. approx. 2.2 white powder

Crosslinking activator for fluoro-elastomers.


Stearic Acid - Industrene
Stearic acid
R.E. Carroll Inc.
ï

White powder or flakes.

Single, double, triple pressed.


Stearic Acid F-300
Stearic acid
Harwick Standard
ï

Stearic acid; non-toxic white powder; color (Lovibond), 1.5Y/0.2R; titer, 58-61C; iodine number 1 max.; acid number 200-206.

Rubber activator; dispersing agent; lubricant; stabilizer; processing aid; latex activator.


Stearic Acid F-1500
Stearic acid
Harwick Standard
ï

Non-toxic white powder; faint odor; titer, 58-62C; iodine number, 6 max.; acid number, 200-207; sap number 201-208.

Rubber activator; dispersing agent; lubricant; stabilizer; processing aid; latex activator.


Stearic Acid
Stearic acid
H.M. Royal, Inc.
ï

Sp.gr. 0.84; white powder, flakes, slabs; mild fat odor; non-toxic; mp, 126-133°F; iodine No, 0-15; mp and Iodine number both depend on purity (whether single, double or triple-pressed).

For NR, SRs, (except IIR), latexes; activator; plasticizer; softener; gives acid-type activation; improves processing; aids filler and pigment dispersion; add directly.





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Suppliers listed
on this page

Akrochem Corp.

Rhein Chemie Corporation

Flow Polymers LLC

The HallStar Co.

Sovereign Chemical Company

R.E. Carroll Inc.

Harwick Standard

H.M. Royal, Inc.

     

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