Accelerator 553SN
Cobalt(II) 2-ethylhexanoate in solvent mixture. Cobalt accelerator for curing unsaturated polyester (UP) resins. Available in Africa, Asia, Asia Pacific, China, Europe, India, and the Middle East.
CAS 136-52-7 Read morePolymer Additives
Specialty and high-performance additives for polymer production, processing, and thermoset composite applications
Are you looking for high-quality polymer additives?
Shandong Do Sender Chemicals Co., Ltd. supplies a comprehensive portfolio of polymer additives spanning accelerators, inhibitors, antistatic agents, flame retardant synergists, conductive carbon blacks, processing aids, and specialty monomers. Our additives are engineered for consistent performance in unsaturated polyester (UP) resin curing, thermoset composites, thermoplastics processing, and masterbatch manufacturing.
The majority of our polymer additives are derived from vegetable sources and many carry food contact approval, making them suitable for packaging and sensitive end-use applications. Backed by proprietary synthesis technology developed in our Shandong R&D laboratories, we provide not just products, but reliable technical partnership.
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Featured Products
Nouryact® CF30
Iron-based accelerator for high-temperature curing of UP resins, acrylic resins, and vinyl ester resins. A sustainable alternative to traditional cobalt-based accelerators.
Proprietary Read moreKetjenblack® EC-600JD
Electroconductive carbon black delivering superior conductivity with minimal impact on mechanical properties. Ideal for antistatic and conductive polymer compounds.
CAS 1333-86-4 Read moreCobalt-Based Metal Accelerators
High-efficiency cobalt accelerators for unsaturated polyester (UP) resin curing at ambient and elevated temperatures. These products deliver fast cure response with reliable gel-to-cure transition across hand lay-up, spray-up, filament winding, pultrusion, and resin transfer molding (RTM) processes.
| Product Name | Chemical Name | CAS No. | Form | Regions |
|---|---|---|---|---|
| Accelerator 383SN | Cobalt(II) 2-ethylhexanoate in solvent mixture | 136-52-7 | Liquid | Africa, Europe, India, Middle East |
| Accelerator 55028N | Cobalt(II) 2-ethylhexanoate and barium carboxylate | 136-52-7, 2457-01-4 | Liquid | Africa, Europe, India, Middle East |
| Accelerator 553SN | Cobalt(II) 2-ethylhexanoate in solvent mixture | 136-52-7 | Liquid | Africa, Asia, Asia Pacific, China, Europe, India, Middle East |
| Accelerator NL-49PN | Cobalt(II) 2-ethylhexanoate | 136-52-7 | Liquid | Africa, Europe, India, Middle East |
| Accelerator NL-51PN | Cobalt(II) 2-ethylhexanoate | 136-52-7 | Liquid | Africa, Europe, India, Middle East |
| Accelerator NL-53N | Cobalt(II) 2-ethylhexanoate | 136-52-7 | Liquid | Africa, Europe, India, Middle East |
Amine Accelerators
Aromatic amine accelerators used in conjunction with organic peroxides for curing unsaturated polyester resins, particularly in benzoyl peroxide (BPO) cure systems.
| Product Name | Chemical Name | CAS No. | Form | Regions |
|---|---|---|---|---|
| Accelerator NL-64-100 | N,N-Diethyl aniline | 91-66-7 | Liquid | Asia Pacific, Europe |
Cobalt-Free Accelerators Accelerator™
Metal-complex accelerators free of cobalt, offering a more sustainable curing solution for unsaturated polyester and thermoset resins. Designed as direct replacements for cobalt-based accelerators with equivalent or superior reactivity.
| Product Name | Chemical Name | CAS No. | Form | Regions |
|---|---|---|---|---|
| Accelerator CF13 | Metal complex | 7758-89-6 | Liquid | Africa, Europe, India, Middle East |
| Accelerator CF31 | Metal complex | Proprietary | Liquid | Global |
| Accelerator CF32 | Metal complex | Proprietary | Liquid | Africa, Europe, India, Middle East |
Nouryact® Cobalt-Free Accelerators
Copper- and iron-based accelerators that serve as direct, drop-in replacements for traditional cobalt- or amine-based accelerators. These products deliver high reactivity and excellent process flexibility while meeting evolving regulatory and sustainability requirements.
| Product Name | Chemical Description | CAS No. | Form | Application |
|---|---|---|---|---|
| Nouryact® CF12N | Copper-based accelerator | 142-71-2 | Liquid | Ambient-cure UP, acrylic & vinyl ester resins |
| Nouryact® CF30 | Iron-based accelerator | Proprietary | Liquid | High-temperature cure UP, acrylic & vinyl ester resins |
| Nouryact® CF40 | Iron-based complex accelerator | Proprietary | Liquid | UP, acrylic & vinyl ester resins |
Perodox® Cobalt-Free Accelerator Technology
Our Perodox® cobalt-free accelerator range represents a significant advancement in sustainable thermoset curing technology. Developed through proprietary synthesis methods, these copper- and iron-based products deliver equal or superior gel and cure performance in unsaturated polyester, vinyl ester, and acrylic resin systems — while helping customers meet increasingly stringent environmental and workplace safety standards.
Compared to conventional cobalt octoate accelerators, Perodox® products offer improved color stability in finished parts, reduced pre-gel drift during processing, and consistent batch-to-batch reactivity.
Show All Perodox® ProductsSpecialty Accelerator
Proprietary accelerator systems for specific polymerization processes.
| Product Name | Chemical Description | CAS No. | Form | Regions |
|---|---|---|---|---|
| Accelerator CTAS | Proprietary mixture of organosulfur and organozinc compounds in solvent. Used in combination with Perkadox PF-MT40 for acrylic solid surface production. Catalyzes and modifies the rate of polymerization of acrylic syrups. | Proprietary | Liquid | Africa, Asia, Asia Pacific, China, India, Latin America, Middle East, North America, Oceania |
Armostat® Antistatic Agents
A comprehensive range of internal antistatic additives for thermoplastics including polyethylene (PE), polypropylene (PP), polystyrene (PS), ABS, SAN, and BOPP. Both fast-migrating (short-term) and long-lasting (permanent) grades are available, derived from vegetable, animal, or synthetic sources.
| Product Name | Chemical Description | CAS No. | Form | Target Polymer |
|---|---|---|---|---|
| Armostat® 1000 Pastilles | Glycerol monostearate — fast-migrating, near-instant performance | 31566-31-1 | Pastilles | General purpose (PE, PP, PS) |
| Armostat® 1800-XP75 | (Hydrogenated tallow)-bis(2-hydroxyethyl) amine — long-lasting for BOPP | 90367-28-5, 9003-07-0 | Granules | BOPP |
| Armostat® 300-XE50 | Tallow-bis(2-hydroxyethyl) amine — long-lasting for LDPE/LLDPE | 61791-44-4, 9002-88-4 | Granules | LDPE, LLDPE |
| Armostat® 300-XE75 | Tallow-bis(2-hydroxyethyl) amine — long-lasting for HDPE | 61791-44-4, 9002-88-4 | Granules | HDPE |
| Armostat® 300-XP80 | Tallow-bis(2-hydroxyethyl) amine — long-lasting for PP | 61791-44-4, 9003-07-0 | Granules | PP |
| Armostat® 400 | Coconut-based, semi-permanent, low-color liquid antistatic. Plant-based alternative to Armostat 300 for PE, LDPE, PP, SAN, ABS, and HIPS | 61791-31-9 | Liquid | PE, LDPE, PP, SAN, ABS, HIPS |
| Armostat® 400-XN50 | Coconut-based internal antistatic for SAN applications | 61791-31-9, 9003-54-7 | Granules | SAN |
| Armostat® 400-XP75 | Coconut-based internal antistatic for PP applications | 61791-31-9, 9003-07-0 | Granules | PP (coconut-based) |
| Armostat® 400-XS50 | Coconut-based internal antistatic for PS applications | 61791-31-9, 9003-53-6 | Granules | PS |
| Armostat® 600-XP75 | Animal-based, long-lasting internal antistatic for BOPP | 90367-28-5, 9003-07-0 | Granules | BOPP (animal-based) |
Armoquell® Flame Retardant Synergists
Non-aromatic, non-blooming brominated flame retardants designed for polyolefin applications. These products provide excellent fire safety performance without surface migration or aesthetic degradation.
| Product Name | Chemical Description | CAS No. | Form | Target Application |
|---|---|---|---|---|
| Armoquell® FR930 | Tris(2,3-dibromoisopropyl) isocyanurate — non-aromatic, non-blooming brominated flame retardant | 52434-90-9 | Powder | PP, PE, PS |
Ketjenblack® Electroconductive Carbon Blacks
High-performance conductive carbon blacks that impart superior electrical conductivity to polymer compounds with minimal impact on mechanical properties. Widely used in antistatic and electroconductive plastic applications including battery components, fuel cells, electronics packaging, and automotive parts.
| Product Name | Chemical Description | CAS No. | Form | Key Feature |
|---|---|---|---|---|
| Ketjenblack® EC-300J | Electroconductive carbon black | 1333-86-4 | Pellets | Minimal impact on mechanical properties |
| Ketjenblack® EC-600JD | Electroconductive carbon black | 1333-86-4 | Pellets | Ultra-high conductivity at low loading levels |
Inhibitor™ Polymerization Inhibitors
Effective inhibitors for controlling gel time and extending shelf life of unsaturated polyester resin formulations, particularly under ambient temperature processing conditions.
| Product Name | Chemical Description | CAS No. | Form | Application |
|---|---|---|---|---|
| Inhibitor™ NLC-10 | Inhibitor for ambient temperature conditions | 98-29-3; 6846-50-0 | Liquid | UP resin gel time control, shelf-life extension |
Processing Aids
Specialty processing aids for highly filled polymer composite systems, improving dispersion, throughput, and surface quality.
| Product Name | Chemical Description | CAS No. | Form | Application |
|---|---|---|---|---|
| Armowax® W-440 | Specialty processing aid for highly filled polymer composites | 134210-67-6 | Pastilles | Highly filled polymer composites, improved dispersion & throughput |
Nourycryl® Specialty Monomers
Methacrylate monomers designed for advanced coatings, adhesives, and low-shrink composite formulations.
| Product Name | Chemical Description | CAS No. | Form | Key Features |
|---|---|---|---|---|
| Nourycryl® MC 110 | Methacrylate monomer developed for coatings and adhesives to improve adhesion and reduce VOC. Can be used as a low-shrink reactive diluent in adhesive formulations. Combines low viscosity with high glass transition temperature. Also functions as a non-yellowing, UV-resistant co-monomer. | 46729-07-1 | Liquid | Low viscosity, high Tg, non-yellowing, UV-resistant, low-shrink reactive diluent |
Download Your Documents
Polymer Additives Product Brochure
Comprehensive overview of all 30 polymer additive products with technical specifications, application guidelines, and regional availability.
Cobalt-Free Accelerator Selection Guide
Technical guide comparing Accelerator™ CF and Nouryact® cobalt-free products with performance data, substitution guidelines, and case studies.
Get in Touch!
Need help selecting the right polymer additive for your application? Our technical team is ready to assist with product recommendations, formulation support, and regulatory guidance. Contact us to discuss your specific requirements.
Contact Our ExpertsAccelerator™, Inhibitor™, Armostat®, Armoquell®, Armowax®, Ketjenblack®, Nouryact®, Nourycryl®, and Perodox® are trademarks of their respective owners. Shandong Do Sender Chemicals Co., Ltd. operates as an independent specialty chemicals manufacturer.