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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Ekaland MMBI
Methyl-2-mercaptobenzimidazole
Harwick Standard Distribution Corporationï |
Beige colored powder sp.gr. 1.25;melt point 273°C
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Acts as an activator in presence of basic accelerators and retarder in presence of acidic accelerators-especially dithiocarbamates
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Elast-O-Cal 80
80% CaO in hydrotreated naphthenic oil binder
Rhein Chemie Corporationï |
Sp.gr. 2.20; firm paste dispersion in a high flash hydrotreated naphthenic oil binder (see calcium oxide)
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An efficient moisture absorber for all commonly used elastomers imparting excellent protection against porosity or blistering in rubber products produced in low-pressure, high-temperature cure systems such as microwave units, LCM, hot air cures or fluidize
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Elast-O-Cal 80FDA
80% Codex grade CaO dispersion in USP grade white
Rhein Chemie Corporationï |
Sp.gr. 2.25; firm paste dispersion in a mineral oil binder (see calcium oxide)
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Similar in function to Elast-O-Cal 80 except Codex grade calcium oxide is used in a binder of USP grade white mineral oil; it is designed for applications involving food and liquid contact such as potable water contacting items andfood handling belting.
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Elast-O-Cal 80HT
80% CaO paste dispersion in paraffinic oil binder
Rhein Chemie Corporationï |
Sp.gr. 2.25; firm paste dispersion in a 580°F flash point binder (see calcium oxide)
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Similar to Elast-O-Cal 80 in function except the 580°F binder allows higher temperature curing operations without oil volatilization.
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Elast-O-Cal 90
90% calcium oxide in oil binder
Rhein Chemie Corporationï |
Sp.gr. 2.73; off-white wetted powder
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An efficient moisture absorber for all commonly used elastomers imparting excellent protection against porosity or blistering in rubber products produced in low-pressure, high-temperature cure systems such as microwave units, LCM, hot air cures or fluidized bed units.
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Elast-O-Cal C-75
75% CaO dispersion in chlorinated paraffin
Rhein Chemie Corporationï |
Sp.gr. 2.30; firm paste dispersion in a chlorinated paraffin binder (see calcium oxide)
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A specially designed desiccant for CPE and other polymers where peroxide cure systems are utilized; it will not reduce the effectiveness of the peroxide system which does occur with naphthenic based desiccants.
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Elast-O-Cal P-90
90% CaO in DOP
Rhein Chemie Corporationï |
Sp.gr. 2.70; wetted powder in DOP carrier (see calcium oxide)
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An efficient moisture absorber for all commonly used elastomers imparting excellent protection against porosity or blistering in rubber products produced in low-pressure, high-temperature cure systems such as microwave units, LCM, hot air cures or fluidize baths.
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Elastomag
Magnesium oxide
Rohm and Haasï |
Sp.gr. 3.38; white, odorless, non-toxic, powder; fineness, 99.9% passes 325-mesh screen.
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SR, latex activator; processing and curing aid; acid acceptor.
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Elastomag 100
Magnesium oxide
H.M. Royal, Inc.ï |
White powders. sp. gr, 3.2, surface area 100m2/gm, avg, sp gr, 2.5; shipped in 50# multiwall bags and PE pouches; protect from air and moisture.
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For halogenated elastomers; vulcanizing and curing; activator, acid acceptor.
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Elastomag 100
Magnesium oxide
Rohm and Haasï |
White powders. sp. gr, 3.2, surface area 100m2/gm, avg, sp gr, 2.5; shipped in 50# multiwall bags and PE pouches; protect from air and moisture.
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For halogenated elastomers; vulcanizing and curing; activator, acid acceptor.
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Elastomag 100
Magnesium oxide
Akrochem Corp.ï |
White powders. sp. gr, 3.2, surface area 100m2/gm, avg, sp gr, 2.5; shipped in 50# multiwall bags and PE pouches; protect from air and moisture.
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For halogenated elastomers; vulcanizing and curing; activator, acid acceptor.
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Elastomag 170 Powder
Magnesium oxide
Akrochem Corp.ï |
White powder and micro pellets. sp. gr, 3.2; sa avg 170 m2/gr,; avg ps 2.2μ; shipped: 50 lb multiwall bags and PE pouches in cartons; protect from air and moisture.
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For halogenated elastomers; vulcanizing and curing, activator, acid acceptor; high activity type MgO.
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Elastomag 170 Powder
Magnesium oxide
Rohm and Haasï |
White powder and micro pellets. sp. gr, 3.2; sa avg 170 m2/gr,; avg ps 2.2μ; shipped: 50 lb multiwall bags and PE pouches in cartons; protect from air and moisture.
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For halogenated elastomers; vulcanizing and curing, activator, acid acceptor; high activity type MgO.
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Elastomag 30
Magnesium oxide
Rohm and Haasï |
White powder; sp. gr, 3.2; surface area 30m2/gr; shipped in 50# multiwall bags; protect from air and moisture.
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For halogenated elastomers; vulcanizing and curing; activator, acid acceptor.
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Elastomag 60
Magnesium oxide
Rohm and Haasï |
White powder; sp. gr, 3.2; surface area 60m2/gr; shipped in 50# multiwall bags; protect from air and moisture.
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For halogenated elastomers; vulcanizing and curing; activator, acid acceptor.
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Elastomag 60
Magnesium oxide
H.M. Royal, Inc.ï |
White powder; sp. gr, 3.2; surface area 60m2/gr; shipped in 50# multiwall bags; protect from air and moisture.
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For halogenated elastomers; vulcanizing and curing; activator, acid acceptor.
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Elastomag 90
Magnesium oxide
Rohm and Haasï |
White powder; sp. gr, 3.2; surface area 90m2/gr; shipped in 50# multiwall bags; protect from air and moisture.
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For halogenated elastomers; vulcanizing and curing; activator, acid acceptor.
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Emery 531
Tallow fatty acid
Cognisï |
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Activator
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FE(Ca(OH)2)-68
68% calcium hydroxide in Carnauba wax
Rhein Chemie Corporationï |
Sp.gr. 1.64; free flowing bead. (see Calcium Hydroxide).
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FE(Ca(OH)2)-68 dispersion is a protected form of calcium hydroxide for general use in fluoroelastomer compounding; will improve dispersion, property consistency, and reduce mixing time; for safe handling of calcium hydroxide, FE (Ca(OH)2)-6
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FE(CaO)-75
75% calcium oxide in Carnauba wax
Rhein Chemie Corporationï |
Sp.gr. 2.09; free flowing bead. (see Calcium Oxide).
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FE(CaO)-75 dispersion is a protected form of calcium oxide for general use in fluoroelastomer compounding; wwill improve dispersion, property consistency, and reduce mixing time; for safe handling of calcium oxide, FE(CaO)-75 should be specified.
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