Rubber Compounding Materials
Vulcanization Materials
Activators
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Tradename
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Composition
Supplier
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Properties
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Function
& Compounding
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Stan-Mag AG
Magnesium oxide
RheTech Colors - A HEXPOL Companyï |
Sp.gr. 3.22; surface area- 140 m2g;powder
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A high activity, high surface area magnesium oxide for stabilizing chlorinated polymers- CR,CSM,and CPE
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Stan-Mag AG
Magnesium oxide
HB Chemicalï |
Sp.gr. 3.22; surface area- 140 m2g;powder
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A high activity, high surface area magnesium oxide for stabilizing chlorinated polymers- CR,CSM,and CPE
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Stan-Mag Bar
65% Magnesium Oxide in napthenic oil
RheTech Colors - A HEXPOL Companyï |
Sp. gr. 1.80
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A high activity, high surface area magnesium oxide for use as an acid acceptor in chlorinated polymers CR,CSM and CPE
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Stan-Mag Bar
65% MgO in a proprietary binder
Harwick Standardï |
Sp.gr. 1.80;bar form
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Medium-high activity grade MgO used as an activator, acid acceptor and scorch protector for halogenated polymers such as CR and CSM
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Stan-Mag DS2
Magnesium oxide
HB Chemicalï |
Sp.gr. 3.22;surface area- 165 m2g; powder
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A high activity ,high surface area magnesium oxide for use as an acid acceptor in chlorinated polymers CR,CSM and CPE
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Stan-Mag DS2
Magnesium oxide
RheTech Colors - A HEXPOL Companyï |
Sp.gr. 3.22;surface area- 165 m2g; powder
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A high activity ,high surface area magnesium oxide for use as an acid acceptor in chlorinated polymers CR,CSM and CPE
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Stan-Mag DS-2 Bar
57% Magnesium Oxide
RheTech Colors - A HEXPOL Companyï |
Sp. gr. 1.80
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A high activity, very high surface area magnesium oxide for use as an acid acceptor in chlorinated polymers CR,CSM and CPE
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Stan-Mag MBZ
Co-dispersion of Magnesia and Zinc
Harwick Standardï |
Free flowing powder, 2.0 sp. gr., 65% active
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Proprietary blend of zinc and magnesium oxides for polychloroprene vulcanization. Designed for use at 3 - 5 phr in polychloroprene to replace all magnesium and zinc oxide in a formulation.
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Stan-Mag Mini Beads
Medium light calcined, high activity magnesium oxide in a paraffinic oil binder system
HB Chemicalï |
Sp.gr. 1.80; small bead form; 65% activity.
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Pre-wet form which is non-dusty, free flowing and protected from the deleterious affects of humidity; use for rapid dispersion in halogenated polymers as an acid acceptor, scorch protector and curative.
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Stan-Mag Mini Beads
Medium light calcined, high activity magnesium oxide in a paraffinic oil binder system
RheTech Colors - A HEXPOL Companyï |
Sp.gr. 1.80; small bead form; 65% activity.
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Pre-wet form which is non-dusty, free flowing and protected from the deleterious affects of humidity; use for rapid dispersion in halogenated polymers as an acid acceptor, scorch protector and curative.
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Stan-Mag MLW
Lightly calcined magnesium oxide
HB Chemicalï |
Sp.gr. 3.22; surface area- 115m2/g; 98% passes 325 mesh
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Medium-high activity and surface area grade used as an activator, acid acceptor and scorch protector for halogenated polymers CR, CSM and CPE
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Stan-Mag MLW
Lightly calcined magnesium oxide
RheTech Colors - A HEXPOL Companyï |
Sp.gr. 3.22; surface area- 115m2/g; 98% passes 325 mesh
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Medium-high activity and surface area grade used as an activator, acid acceptor and scorch protector for halogenated polymers CR, CSM and CPE
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Stan-Mag Products
Magnesium oxide
Harwick Standardï |
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A variety of of magnesium oxide based products in powder, bead, or bar form
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Starmag 150
Magnesium oxide
HB Chemicalï |
Surface area 135 m2/g; iodine absorption 155 mg./g; bulk density 0.35 g/ml; fine white powder
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High activity for use with Neoprene and other chlorinated polymers; acts as an acid acceptor and high temperature aging improver.
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Starmag CX-150
Magnesium oxide
HB Chemicalï |
Surface area 135 m2/g; iodine absorption 145 mg/g; bulk density 0.35 g/ml; fine white powder
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Excellent processing and dispersion; recommended for fluoroelastomer compounding; high activity; known for superior dispersability.
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Starmag CX-50
Magnesium oxide
HB Chemicalï |
Surface area 42 m2/g; iodine absorption 50 mg/g; bulk density 0.51 g/ml, fine white powder; recommended for Viton, Fluorel; med. activity because of its superior dispersion.
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Excellent processing and superior dispensability.
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Starmag U
Magnesium oxide
HB Chemicalï |
Surface area 145 m2/g; iodine absorption 160 mg/g; bulk density 0.43 g/ml; fine white powder
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Highest activity for use in Neoprene G, W, TW types; acts as an acid acceptor in rubber and styrenic resins, CR contact adhesives; recommended for SMC thickener.
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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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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).
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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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Stearic Acid - Industrene
Stearic acid
R.E. Carroll Inc.ï |
White powder or flakes.
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Single, double, triple pressed.
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