Shandong Boctok Chemical Co. was founded in 2012 as a dynamic marketing and sales headquarters for Boctok™ domestic and global operations. Underpinned by strong innovation and continuous production scaling, the company achieved remarkable sales of US$280 million in 2023. Representing a standard of excellence, the BOCTOK brand specializes in serving complex markets including the Russian Federation, Eastern Europe, Central Asia, and the Americas.
Our organosilicon core portfolio covers twelve comprehensive series of silane coupling agents and crosslinkers, spanning aminosilanes, methacrylates, epoxys, vinyls, mercapto, alkyl silanes, ethyl silicates, chlorosilanes, silane isocyanates, phenyl, ureido, and serosilanes. We also lead in the supply of premium silicone oil, MQ resin, VMQ resin, and room-temperature vulcanized silicone rubber (RTV-1, RTV-2, and high-performance Liquid Silicone Rubber - LSR), satisfying application requirements from aerospace to consumer goods.
In modern industrial applications, materials are subjected to unprecedented levels of thermal, chemical, and physical stress. Liquid Silicone Rubber (LSR) has emerged as the premier choice for complex parts, seals, and interface components due to its high-purity composition, automated injection molding compatibility, and outstanding versatility. However, standard LSR is susceptible to degradation when exposed long-term to heat, ultraviolet (UV) radiation, ozone, moisture, and chemical agents. This calls for highly engineered, Aging Resistant LSR formulations.
“True aging resistance is not just an additive; it is a molecular configuration. By optimizing the polymer backbone cross-linking density and integrating high-purity silane coupling agents, we ensure the structural integrity of elastomer matrices under the harshest operational conditions.”
Silicone polymers consist of an inorganic silicon-oxygen backbone (Si-O-Si) with organic side groups (typically methyl or vinyl). The Si-O bond energy of approximately 460 kJ/mol is substantially higher than the carbon-carbon (C-C) bond energy of 348 kJ/mol. This inherent molecular configuration gives silicone rubber its basic thermal and UV stability. However, environmental factors like high heat (thermal oxidative degradation), exposure to aggressive ozone, hydrolytic attack, and photo-oxidation can cause polymer chain cleavage or uncontrolled cross-linking, rendering the elastomer brittle or overly soft. Mitigating these processes requires strategic addition of proprietary metal complex stabilizers, micro-filler optimization, and advanced coupling systems.
Advanced heat stabilizers block free radicals formed during high-temperature exposure (exceeding 200°C), preserving elongation and tensile properties over long operational life-cycles.
Outdoor environments require robust blocking against photo-degradation. Our formulas maintain crack-free characteristics under high-energy solar radiation and atmospheric ozone.
For applications involving engine oils, cooling fluids, or industrial acids, our customized fluorosilicone and modified-LSR options offer reliable sealing performance without swelling.
Procuring raw chemical components and elastomers in today's landscape requires deep trust and adherence to global regulatory standards. Industrial procurement managers, automotive engineers, and medical device designers prioritize chemical consistency, trace impurity limits, and structural durability. The focus has shifted from price-centric acquisition to Total Cost of Ownership (TCO) and long-term product durability.
Shandong Boctok Chemical Co. has addressed the need for supply chain security by investing US$65 million to construct a state-of-the-art manufacturing plant in Shouguang City, Shandong Province. Spanning the Bohai Industrial Park (a highly regulated, provincial-level chemical zone), this facility represents the next generation of smart chemical processing, offering an annual output of 30,000 tons of silane coupling agents and advanced silicone intermediates.
Equipped with 6 automated, fully digitalized production lines, the facility integrates cutting-edge automation systems:
In addition to our organosilicon division, Boctok operates a Tier II core business focused on high-grade petroleum resins. Through strategic investments in leading hydrocarbon resin facilities across China—with manufacturing sites located in Zibo, Fushun, and Nanjing—we secure premium raw materials from SINOPEC and PetroChina. Our advanced polymerization plants yield C9 hydrogenated resins, C5 hydrocarbon resins, C5 modified C9 resins, dicyclopentadiene (DCPD), and methyl cyclopentadiene dimers.
These products are widely utilized by Fortune 500 enterprises in industrial adhesives, road marking formulations, and paint coatings. Alongside these operations, Boctok provides key intermediates for the agrochemical sector, supplying critical active ingredients, emulsifiers, and raw materials for the production of pesticides, fungicides, seed treatments, and plant growth regulators.
Highly transparent, low odor, and excellent thermal stability. Ideal for hot-melt adhesives.
Excellent tackifying properties. Specifically optimized for thermoplastic road marking paints.
High-purity intermediates for robust, climate-resilient crop protection formulations.
Our raw materials undergo meticulous spectral evaluation, chromatography, and mechanical testing to ensure compliance with global standards.
With massive chemical storage complexes and 6 digital lines, we scale up production to meet high-volume global demands.
Our chemical engineering support team provides online troubleshooting, formulation advice, and custom logistics solutions.
Integrated supply chains allow efficient rail, sea, and road freight dispatch, reducing transit delays to key commercial hubs.
High-performance crosslinkers and silanes designed to bond materials and prevent moisture ingress in harsh conditions.
Pesticides, insecticides, and stabilizers formulated for maximum safety and yield protection.
Pesticides - Fertilizers
Pesticides - Melons and Fruits
Pesticides - Flora
Pesticides - Crops
Pesticides - Vegetables
Petroleum Resins - Coatings
Silicones - Cable & Casting
Silicone Textiles
Silicone Adhesives
Silicone - Daily Chemical
Pharma & Pesticides
Cosmetics & Care
Industrial Adhesives
Rubber Industry
Paints & Coatings
Plastics Industry
Agrochemicals
Self-lubricating LSR
Antifoaming Agents
Drywall Materials
Silicone Liquids
Auto & Aerospace
Forms & Molds
Electronics Industry
Construction Industry
Adhesives & Sealants
Paint & Coatings
Metal Surface Prep
Wire & Cable
Resin Synthesis
Material Processing
Wind Turbines
Biomedical Engineering
Textile Industry
Mineral Processing
Aging resistant LSR relies on optimization across three pillars: high-purity siloxane backbones to prevent spontaneous thermal cleavage; chemical additives like transition metal oxides to neutralize free radicals; and specialized coupling agents, such as vinyl silanes or aminosilanes, to stabilize adhesion boundaries.
Quality consistency is maintained by our newly constructed Shouguang plant. Featuring 6 automated, digital DCS lines and SIS safety systems, we control temperature and feed ratios automatically. Production conforms to ISO9001 standards, and each shipment is accompanied by complete COA documentation.
Silane coupling agents function as molecular bridges that link organic polymers with inorganic substrates or fillers. Under thermal, oxidative, or hydrolytic stress, these silane layers protect chemical interfaces from moisture ingress and delamination, improving overall product lifespan.
Yes. Our R&D division works closely with procurement and engineering partners to customize properties such as viscosity, hardness (Shore A), curing rate, and thermal limits. We support volume customization packaged in standard containers or specialized drums to fit global automated assembly operations.
Boctok Chemical
