Rubber Compounding Materials
Vulcanization Materials
Activators
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Tradename
Composition
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Supplier
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Properties
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Function
& Compounding
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Akrochem E-9347 Urea OT
Oil treated urea
Akrochem Corp.ï |
Sp.gr. 1.30; free flowing white powder, mp 129-134°C; slight water solubility.
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Blow promoter for nitrogen blowing agents; also a cure activator for thiazole accelerators in CR, IIR, NBR, NR and SBR.
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Akrochem PEG 3350
Polyethylene glycol
Akrochem Corp.ï |
Powder/Granules; sp.gr. 1.15; melt point 130°F; soluble in water
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As an activator for silica/mineral filled compounds; aso as a process aid/lubricant; typical dosages 1.5 to 3.0 phr; higher levels are used to add polarity to mircrowave-cured EPDMs.
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Polyethylene Glycol EF/Enviropeg Line
Polyethylene glycol
The Dow Chemical Companyï |
Line includes Solids - Sp gr 1.22; white powder or flake PEG-E-3350, E-4000, E-6000,E-8000 and E-20,000; Melt pt.55-61°C
Semi-solids - Sp.gr. 1.13; white E-1450 and E-2000; melt point 44-48° C Liquids - Sp.gr. 1.13 E-200 and E-400
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Activator used in conjunction with high surface area silicas and internal lubricant in elastomeric compounds.
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Polyethylene Glycol EF/Enviropeg Line
Polyethylene glycol
Harwick Standard Distribution Corporationï |
Line includes Solids - Sp gr 1.22; white powder or flake PEG-E-3350, E-4000, E-6000,E-8000 and E-20,000; Melt pt.55-61°C
Semi-solids - Sp.gr. 1.13; white E-1450 and E-2000; melt point 44-48° C Liquids - Sp.gr. 1.13 E-200 and E-400
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Activator used in conjunction with high surface area silicas and internal lubricant in elastomeric compounds.
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Akrochem 9930 Zinc Oxide Transparent
Precipitated basic zinc carbonate
Akrochem Corp.ï |
White powder; sp. gr. 3.5; 99% through 200 mesh.
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Accelerator, activator of extremely fine particle size; particularly useful for transparent and translucent rubber articles (NR and SR); acid acceptor in CR adhesive where transparency is required; very good dispersion characteristics.
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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.
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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.
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Akrochem Oleic Acid
Primarily cis-9-octadecenoic acid (oleic)
Akrochem Corp.ï |
Oyster white liquid; sp.gr. 0.90
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Utilized as an activator, plasticizer in NR and SR where color or clarity are not critical; typical loading 2-10 phr.
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Poly-Dispersion ERD-90
Red Lead in an EPR binder
Rhein Chemie Corporationï |
Sp.gr. 4.57; Red Lead, 90%; very fine dispersion in elastomeric slab form, scored, dusted and separated with PE.
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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.
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Akroform Pb3O4-90/EPR/P
Red Lead in EPR
Akrochem Corp.ï |
90% active.
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Easy and safer handling; used primarily as ECO acid acceptor.
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Kenmix
Red lead/N 5/1
Flow Polymers LLCï |
Sp.gr. 3.82
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Activator in paste form in Kenflex N.
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Kenmix
Red lead/N 9/1
Flow Polymers LLCï |
Sp.gr. 4.93
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Activator in paste form in Kenflex N.
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Kenmix
Red lead/P 5/1
Flow Polymers LLCï |
Sp.gr. 3.82
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Activator in paste form in Kenflex P.
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Kenmix
Red lead/P 9/1
Flow Polymers LLCï |
Sp.gr. 4.93
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Activator in paste form in Kenflex P.
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Kenmix
Red lead/Sundex 790 9/1
Flow Polymers LLCï |
Sp.gr. 4.81
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Activator in paste form in Sundex 790.
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Kenmix
Red lead/Sunpar 2280 9/1
Flow Polymers LLCï |
Sp.gr. 4.7
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Activator in paste form in Sunpar 2280.
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Drimix
Ridacto 75 Powder
Flow Polymers LLCï |
Sp.gr. 1.22
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Free flowing powder form of Ridacto, an accelerator activator
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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.
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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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SA-590
Rubber grade, vegetable based stearic acid
Sovereign Chemical Companyï |
Flake, sp. gr. 0.84
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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.
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Drimix
Silacto 75 Powder
Flow Polymers LLCï |
Sp.gr. 1.25
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Free flowing powder form of Silacto, an activator for silica containing stocks.
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Rhenofit F
Specially treated fine CaO
Rhein Chemie Corporationï |
Sp.gr. approx. 3.0; white powder
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Cross-linking modifier and desiccant for the use in fluoroelastomers.
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