Direct supply of high-grade organosilicone monomers engineered to elevate performance in local rubber, plastics, and coating industries.
The Greater Manila Area, comprising the National Capital Region (NCR) and neighboring economic zones in Calabarzon (Cavite, Laguna, Batangas, Rizal, and Quezon), is undergoing a monumental infrastructural transformation. Key governmental initiatives, such as the "Build Better More" program, have catalyzed massive requirements for reliable structural and manufacturing materials. In this tropical, coastal environment, the degradation of materials through heat, humidity, and atmospheric salinity presents a persistent challenge. To address these demands, regional manufacturers are utilizing specialty vinyl monomers and organosilicones to enhance polymer performance.
For instance, Manila's wire and cable factories are modernizing their facilities to supply high-voltage and medium-voltage power distribution lines. The application of silane-crosslinked polyethylene (XLPE) formulated from vinyltrimethoxysilane (VTMS) or vinyltriethoxysilane (VTES) is critical in these environments. It ensures cables remain highly resistant to heat deformation, stress cracking, and water treeing, which is crucial for the Philippine climate. Additionally, regional paint and adhesive manufacturers in Valenzuela, Cavite, and Laguna are transitioning from conventional formulations to low-VOC, weather-resistant silicone-modified acrylic coatings to withstand prolonged UV exposure and monsoon rainfall.
Shandong Boctok Chemical Co. was founded in 2012 as a marketing and sales center for Boctok™ domestic and overseas businesses and achieved sales of US$280 million in 2023. The BOCTOK brand specializes in serving the global markets, and specifically carries a robust track record in the Eastern European and Asian Pacific territories.
Boctok has three main product categories, the first core business of organosilicone covers twelve series of silane coupling agents and crosslinkers, including aminosilane, methacrylate silane, epoxy silane, vinyl silane, mercaptosilane, alkyl silane, ethyl silicate, chlorosilane, silane isocyanates, phenyl silane, ureidosilane and serosilane. Boctok also focuses on silicon oil, silicon resin, and silicon rubber, covering high-hydrogen silicone oil, dimethicone, vinyl silicone oil, polyphenylmethyldimethylsiloxane, phenyl silicone oil, silanol silicone oil and OH polymer, alkoxy silicone oil, methyl MQ resin, vinyl VMQ resin, room-temperature vulcanized methyl silicone rubber, 110 methyl vinyl silicone rubber, 120 methyl phenyl rubber. They are widely used in glass fiber, electronics, wind energy, daily necessities, chemical industry, coatings, adhesives, XLPE electric cables and hot water pipes, oil field drilling, textiles, rubber and molding, etc. to improve the quality and performance of the applied products.
How modern interface chemistry is solving challenges across logistics, green energy, and performance polymer manufacturing.
Organofunctional silanes containing vinyl groups (such as vinyltrimethoxysilane and vinyltriethoxysilane) are essential in modern organic-inorganic composite materials. The presence of the vinyl group allows the silane to copolymerize with olefins under free radical conditions. Meanwhile, the hydrolyzable alkoxy groups form silanol intermediates that link to glass fibers, minerals, or metal oxides. This dual functionality forms a bridge across incompatible boundaries, which improves mechanical properties, thermal endurance, and moisture resistance.
In coating applications, vinyl trialkoxysilanes are copolymerized with acrylic monomers to create silicone-modified acrylic latexes. These binders exhibit excellent chemical stability, water repellency, and resistance to UV degradation. For Manila’s tropical coastal environments, this technology enables architectural coatings that prevent salt-spray degradation and chalking, maintaining film integrity for extended periods compared to standard organic coatings.
| Active Ingredient | CAS Registry No. | Boiling Point (°C) | Refractive Index (20°C) | Primary Industrial Application |
|---|---|---|---|---|
| Vinyltrimethoxysilane (VTMS) | 2768-02-7 | 123 °C | 1.390 - 1.392 | XLPE Cable Insulation, Moisture scavengers, Acrylic latexes |
| Vinyltriethoxysilane (VTES) | 78-08-0 | 160 °C | 1.396 - 1.398 | Crosslinked Polyethylene (XLPE), Glass fiber treatments |
| Vinyltriisopropoxysilane | 18023-33-1 | 185 °C | 1.401 - 1.403 | Adhesion promoters, moisture-curing sealants, silicone resins |
| Vinyltris(2-methoxyethoxy)silane | 1067-53-4 | 285 °C | 1.427 - 1.429 | EPDM rubbers, inorganic filled plastics, specialty sizing agents |
From organosilicone coupling agents to high-performance hydrocarbon resins and agrochemicals.
Boctok's Tier II core business is petroleum resins. We have invested in a key hydrocarbon resin manufacturer in China. We currently have three operating hydrocarbon resin factories located in Zibo, Fushun, and Nanjing. Taking advantage of reliable and abundant raw materials from SINOPEC and PetroChina, our advanced production facilities, and our decades of marketing experience, our products are widely used by customers, including many Fortune 500 companies, in both domestic and overseas markets. These products include C9 hydrogenated resins, C5 hydrocarbon resins, C5 modified C9 hydrocarbon resins, C9 hydrocarbon resins, dicyclopentadiene, and methyl cyclopentadiene dimer.
Boctok also focuses on the agrochemical industry. It produces intermediates and raw materials for the production of pesticides, fungicides, insecticides, seed treatments, herbicides, plant growth regulators, and more. This diverse product portfolio supports agricultural and manufacturing supply chains worldwide.
Boctok's products are sold throughout China and exported to North America, Europe, Japan, South Korea, Australia, South America, the Middle East, India, Southeast Asia, Russia, etc., enjoying the well-deserved trust of customers.
Global raw material sourcing requires reliable suppliers that maintain production consistency and weather logistics disruptions. At Shandong Boctok Chemical Co., our chemical manufacturing integrates "Industry 4.0" philosophies to address these challenges. Our US$65 million facility in Bohai Industrial Park features six automated Distributed Control System (DCS) lines alongside Safety Instrumented Systems (SIS). These systems monitor temperature, pressure, feed rates, and reflux ratios in real-time, minimizing batch-to-batch variation. This automated precision ensures our silanes meet the strict quality standards required by international wire, cable, and electronics manufacturers.
Beyond automated production, our facilities are located near key raw material refineries and logistics corridors. Partnerships with SINOPEC and PetroChina secure the precursor chemicals needed for silicone and hydrocarbon resin production. Additionally, proximity to Qingdao Port allows for efficient bulk loading and shipping to Manila. Industrial hubs in Manila, Batangas, and Cavite can expect transit times of 7 to 10 days. By streamlining custom clearance documentation under the ASEAN-China Free Trade Agreement (ACFTA), we help our customers reduce import duties and optimize their supply chains.
Leveraging technical expertise, modern production capacities, and dedicated support for your supply chain requirements.
Our products undergo rigorous testing to ensure that every aspect meets the highest quality standards, maintaining low batch-to-batch variation.
We have advanced production lines that allow us to effectively expand production capacity and meet the demand for mass customization.
Our professional team is available online 24 hours a day to provide attentive service and answer all your technical questions.
An optimized logistics system ensures fast order processing and timely maritime shipping delivery to customers in Manila.
Explore our main product lines and the diverse markets we serve across global industries.
Our organosilicones and resins are utilized across multiple industries to enhance performance and durability.
In-depth answers addressing technical specifications, application methods, and shipping standards for regional procurement managers.
Vinyltrimethoxysilane acts as a crosslinking agent in the manufacturing of Silane-Crosslinked Polyethylene (XLPE) cables. The vinyl functional group grafted onto the polyethylene chain allows moisture-induced crosslinking after extrusion. This changes the thermoplastic polymer into a thermoset network, which improves the cable's resistance to heat, load deformability, and environmental stress cracking. This is critical for power grids operating in warm, humid regions like Manila.
The primary difference lies in the alkoxy leaving group and the resulting hydrolysis rate. Vinyltrimethoxysilane (VTMS) hydrolyzes faster than Vinyltriethoxysilane (VTES) because of the smaller methoxy group. However, VTMS releases methanol during hydrolysis, which requires safety controls. VTES hydrolyzes more slowly but releases ethanol, making it a preferred choice for applications with strict toxicity and emission regulations.
We provide full export documentation to support shipments to the Philippines, including Certificates of Analysis (COA), safety data sheets (SDS) aligned with local GHS regulations, and Bill of Lading. We also provide the Certificate of Origin (Form E) under the ASEAN-China Free Trade Area (ACFTA), which allows Philippine importers to access preferential zero or reduced tariff rates at Manila North or South Harbors.
Our US$65 million plant features Distributed Control Systems (DCS) and Safety Instrumented Systems (SIS). These systems monitor and adjust critical reaction variables, such as temperatures, catalyst feeds, and distillation reflux ratios. By automating these processes, we reduce human error and minimize batch-to-batch variation, ensuring a consistent product for demanding industrial applications.
Yes, vinyl silanes (particularly Vinyltrimethoxysilane) are frequently used as moisture scavengers in sealants and adhesives. Because they react quickly with trace moisture, they prevent premature crosslinking of the formulation during storage, extending the shelf life of the final product in humid climates.
Comprehensive product range for specialized chemical, manufacturing, and agricultural applications in Manila and regional markets.
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Boctok Chemical