Rubber Compounding Materials
Vulcanization Materials
Activators


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Function & Compounding


Cri-Act-45-LV
45% dispersion of a 2/1 ratio of calc. hydroxide and mag. oxide on a fluorocarbon elastomer base
Cri-Tech
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Sp.gr. 1.96±.05; solubility - esters and ketones; appearance - opaque, brownish yellow, chopped or slab.

Used at the 10-20 part level in fluoroelastomer compounding for consistent rheology and excellent dispersion; for use in low viscosity compounds.


Cri-C-50
50% dispersion of calcium hydroxide on a fluorocarbon elastomer base
Cri-Tech
ï

Sp.gr. 1.88±.05; solubility - esters and ketones; appearance - opaque, yellow, chopped or slab.

Used at the 6-12 part level in fluorocarbon elastomer compounding.


Cri-FDA-45-1/1
45% disp. of codex food grade calc. hydroxide and mag. oxide in a 1/1 ratio on a fluoroelastomer base
Cri-Tech
ï

Sp. gr. 1.98±.05; solubility - esters and ketones; appearance - opaque, brownish, chopped or slab.

Used at the 10-20 part level in fluoroelastomer compounding for consistent rheology and excellent dispersion.


Cri-Mag-H-40
40% dispersion of high activity magnesium oxide on a fluorocarbon elastomer base
Cri-Tech
ï

Sp.gr. 2.04±.05; solubility - esters and ketones; appearance - dark brown, chopped or slab

Used at the 6-10 part level in fluorocarbon elastomer compounding.


Cri-Mag-M-40
40% dispersion of low activity magnesium oxide on a fluorocarbon elastomer base
Cri-Tech
ï

Sp.gr. 2.04±.05; solubility - esters and ketones; appearance - dark brown, chopped. or slab

Used at the 30-40 part level in fluorocarbon elastomer compounding.


Cri-Ox-50
50% dispersion of calcium oxide on a fluorocarbon elastomer base
Cri-Tech
ï

Sp.gr. 2.11±.05; solubility - esters and ketones; appearance - opaque, off-white, slab.

Used at the 4-10 part level in fluorocarbon elastomer compounding.


Daewoon
Zinc oxide
Intertex World Resources
ï

Low purity, low cost transactivated zinc oxide.

General purpose rubber applications.


D-B-A Accelerator
Dibenzylamine-monobenzylamine blend
Chemtura
ï

Sp.gr. 1.01; pale-yellow free flowing liquid; good storage stability.

For NR, SBR rubbers and latices, NR reclaim; affects air cures ranging from 24 hrs. at room temp to 20 min at 100°C; retarded by clay and other acidic materials; action with xanthates or carbon disulfide enhanced by thiazoles and thiurams; non-discoloring, non-staining; vulcanization requires zinc oxide and sulfur; fatty acids not necessary and can retard cure; can apply carbon disulfide by painting or dipping compounds thus eliminating danger of precure; for processing and applications see C-P-B.


Desical
80% calcium oxide in a naphthenic oil binder system
Hexpol Compounding- Specialty Products
ï

Sp.gr. 2.10; liquid

Dispersion provides rapid incorporation into liquid systems, such as vinyl plastisols, and eliminates porosity due to moisture related blistering; used for pressureless and fusion processes for plastics.


Desical
80% calcium oxide in a naphthenic oil binder system
Harwick Standard Distribution Corporation
ï

Sp.gr. 2.10; liquid

Dispersion provides rapid incorporation into liquid systems, such as vinyl plastisols, and eliminates porosity due to moisture related blistering; used for pressureless and fusion processes for plastics.





Desical P
80% calcium oxide in a naphthenic oil binder system
Harwick Standard Distribution Corporation
ï

Sp.gr. 2.24; paste

A premium paste dispersion for rapid mixing in rubber compounds; a cure activator; eliminates porosity due to moisture related blistering; used in low pressure or pressureless continuous curing of rubber extrusion products such as automotive weatherseals and pipe insulation.


Desical P
80% calcium oxide in a naphthenic oil binder system
Hexpol Compounding- Specialty Products
ï

Sp.gr. 2.24; paste

A premium paste dispersion for rapid mixing in rubber compounds; a cure activator; eliminates porosity due to moisture related blistering; used in low pressure or pressureless continuous curing of rubber extrusion products such as automotive weatherseals and pipe insulation.


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


DLP 1007 SR-350-65H (TMPTMA)
65% SR-350 on a carrier
Hexpol Compounding- Specialty Products
ï

Dry Liquid Powder - free flowing version of the SR-350 liquid - TMPTMA - Trimethylolpropane Trimethacrylate. Easier to handle, weigh and incorporate into NR and SR compounds.


DLP 1025 SR-350W-60H
60% SR-350W on a carrier
Hexpol Compounding- Specialty Products
ï

Sp. gr. 1.30

Dry Liquid Powder - free flowing version of the SR-350W liquid - TMPTMA - Trimethylolpropane Trimethacrylate. Easier to handle, weigh and incorporate into NR and SR compounds.


DLP 1026 SR-350W-72A
72% SR-350W on a carrier
Hexpol Compounding- Specialty Products
ï

Dry Liquid Powder - free flowing version of the SR-350W liquid - TMPTMA - Trimethylolpropane Trimethacrylate. Easier to handle, weigh and incorporate into NR and SR compounds.


DLP 1034 HMMM-40B
40% HMMM on a carrier
Hexpol Compounding- Specialty Products
ï

Dry Liquid Powder - free flowing version of the HMMM - Hexamethoxy methylmelamine liquid. Easier to handle, weigh and incorporate into NR and SR compounds.


DLP 1035 SR-350E-30K
30% SR-350E on a carrier
Hexpol Compounding- Specialty Products
ï

Sp. gr. 1.82

Dry Liquid Powder - free flowing version of the SR-350E liquid - TMPTMA - Trimethylolpropane Trimethacrylate. Easier to handle, weigh and incorporate into NR and SR compounds.


DLP 1039 SR-350-56H
56% SR-350 on a carrier
Hexpol Compounding- Specialty Products
ï

Dry Liquid Powder - free flowing version of the SR-350 liquid - TMPTMA - Trimethylolpropane Trimethacrylate. Easier to handle, weigh and incorporate into NR and SR compounds.





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Cri-Tech

Intertex World Resources

Chemtura

Hexpol Compounding- Specialty Products

Harwick Standard Distribution Corporation

Flow Polymers LLC

     

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