Your Trusted Partner in Advanced Sealing Solutions. Strategically located in the heart of Shandong Province, a major industrial hub in China, Shandong Jinfang Adhesive Industry Co., Ltd. stands as a leading manufacturer specializing in the research, development, and production of high-performance adhesive and sealant products. With a steadfast commitment to innovation and quality, we have built a comprehensive portfolio that includes silicone sealant, PU Foam, MS sealant, nail-free glue, tile grout, and PU sealant.
Our products are engineered to meet the rigorous demands of diverse applications, primarily serving the construction and automotive industries. In construction, we provide durable solutions for structural glazing, window installation, joint sealing, and interior finishing, ensuring long-term weatherproofing, thermal insulation, and structural integrity. In the automotive sector, our sealants contribute to enhanced vehicle safety and comfort through effective vibration damping, component bonding, and air/water sealing.
R&D Academic Synergy: To maintain the cutting edge of polymer synthesis, we host deep research partnerships with leading Chinese universities, including Shandong University, Xiamen University, and Linyi University. These partnerships allow us to recruit top-tier research talent and pioneer new raw material formulations.
Bathroom environments present a unique challenge to structural polymers: high relative humidity, constant water exposure, soap scum deposits, and frequent application of harsh cleaning chemicals. Standard sealants degrade quickly in these conditions, leading to shrinkage, adhesion loss, and black mold colonization. Shandong Jinfang addresses these vulnerabilities with high-purity organosilicon compounds infused with micro-encapsulated biocide packages.
Commonly known as acid-curing silicone, these systems release acetic acid during crosslinking. They offer extremely fast cure times and exceptional adhesion to non-porous substrates such as glass, glazed ceramic tiles, and porcelain. However, due to their acidic byproduct, they should not be applied to acid-sensitive surfaces like concrete, marble, or copper.
Releasing non-corrosive alcohol or oxime byproducts, neutral-cure silicone sealants exhibit zero odor and zero corrosive action. They are highly compatible with acrylic bathtubs, plastic shower panels, glass, natural stone, metals, and concrete elements, acting as the standard for high-end residential bath installations.
Combining the best properties of silicones and polyurethanes, MS polymers provide exceptional mechanical strength and paintability. They are eco-friendly with extremely low VOC emissions, satisfying strict green building certifications while maintaining excellent UV and chemical resistance.
Shandong Jinfang has built an integrated manufacturing system that encompasses precise raw material formulation, fully automated adhesive production, precision injection molding, and intelligent packaging. Supported by advanced equipment and intelligent process control, this system ensures consistent product quality and eliminates manual batch variance.
Our core strengths lie in our capacity to scale production rapidly while maintaining stringent quality control from raw material sourcing to finished product. Our strategic location near primary chemical raw material production areas in Shandong Province enables us to maintain a constant supply of premium base polymers. This vertical integration buffers our clients from market price fluctuations and guarantees long-term supply stability.
By leveraging intelligent logistics tracking and automated warehouse management, we have compressed standard B2B production pipelines down to industry-leading speeds, ensuring that bulk container orders are dispatched on time, every time.
As regulatory landscapes tighten around volatile organic compounds (VOCs) and petrochemical derivatives, the chemical adhesive sector is undergoing a rapid evolution. Shandong Jinfang is actively directing its R&D towards next-generation sealing chemistries designed for modern carbon-neutral buildings and high-durability assemblies.
We are piloting formulations that replace fossil-fuel-derived polydimethylsiloxane (PDMS) with bio-sourced silanes derived from organic waste streams. This technology maintains identical mechanical performance while lowering the product carbon footprint by up to 40%.
Traditional anti-fungal agents leach out of sealants through hot water exposure. Our future roadmap focuses on micro-encapsulation, where biocides are slowly released only when moisture triggers the capsule wall. This extends anti-mold life from the typical 3-5 years to over 15 years.
For large-scale construction sites, knowing when a joint is fully cured is critical. Our R&D is developing color-changing sealants that transition from colored (during application) to brilliant white/translucent once crosslinking is 100% complete, preventing premature structural loading.
With decades of continuous improvement, Shandong Jinfang has expanded its footprints to global markets through solid engineering, efficient lead times, and reliable partnerships.








Different industries require unique structural answers. Rather than offering a one-size-fits-all product, Shandong Jinfang tailors its chemical profiles to suit the macro-demands of modern commercial sectors.
We provide durable solutions for structural glazing, window installation, joint sealing, and interior finishing. This ensures long-term weatherproofing, thermal insulation, and structural integrity against dynamic wind loads and seismic expansions. Our products excel in high-traffic commercial environments where rapid joint movements are common.
In the automotive sector, our sealants contribute to enhanced vehicle safety and comfort. By engineering precise levels of modulus and elongation, we deliver materials that facilitate effective vibration damping, components bonding, and air/water sealing. This reduces cabin NVH (Noise, Vibration, and Harshness) and guarantees long-term sealing stability under extreme thermal cycling.
Understanding the unique needs of our global clients, we offer flexible OEM and customization services. Our expert technical team works closely with customers to tailor product specifications, packaging, and formulations to their exact project requirements. This client-centric approach, backed by stringent quality control from raw material sourcing to finished product, has been instrumental in our successful international expansion.
When you possess a mature product solution or proprietary formula, we provide an efficient and reliable manufacturing partnership. We deliver high-quality, batch-consistent products through standardized and scalable manufacturing, with strict adherence to your custom technical specifications.
Based on your local market conditions, we collaborate to design and develop products that capture local consumer preference. From packaging brand graphics to formula performance modifications, we provide a complete one-stop white-label solution to launch your private line at minimum cost.
We tweak variables like viscosity, tack-free time, curing speed, paintability, and shore A hardness. Our chemists ensure that the final compound aligns perfectly with your installation environment, whether it's sub-zero arctic temperatures or tropical humidity.
We support a variety of packaging formats, including 300ml rigid plastic/aluminum cartridges, 600ml foil sausages, squeeze tubes, and bulk 200L drums. All custom packaging is rigorously tested for shelf-life stability and moisture barrier integrity before filling.
Our facility utilizes direct silk-screen and offset printing processes on cartridges, delivering vibrant, chemical-resistant colors and sharp barcodes to ensure premium shelf appeal in global retail environments.
Navigating global regulatory landscapes requires a high degree of supply chain transparency. Shandong Jinfang is fully certified to meet the strict entry requirements of target markets. The company has obtained a series of enterprise and product certifications, including ISO 9001, ISO 14001, and the EU IROS. We are committed to achieving green and sustainable high-quality development.
For European buyers, we ensure all exported bath silicone sealants comply with REACH regulations and are fully compatible with low-emission standards, such as EMICODE EC1 Plus and French VOC A+ certifications. For Americas, we offer formulations compliant with ASTM C920 guidelines and low-VOC standards dictated by SCAQMD Rules.
We provide localized technical data sheets (TDS), safety data sheets (SDS) in native languages, and international certificate paperwork to facilitate customs clearances. Our expert customer service team assists in scheduling container shipping lines directly from Qingdao Port, guaranteeing hassle-free arrivals.
Get clear, technical answers to common queries regarding bulk sourcing, chemical specs, and application standards.
Acetic curing silicone sealants crosslink by releasing acetic acid, which has a distinct vinegar-like odor. They cure faster and adhere strongly to glass and ceramics but can cause corrosion on metal substrates and concrete. Neutral curing silicone sealants release alcohol or oxime during curing, are virtually odorless, and are safe for a wider range of building materials including acrylic, metals, stone, and plastics.
Our formulations are reinforced with high-grade anti-mildew additives and biocides. These ingredients disrupt the cell membranes of fungi and bacteria, preventing the black discoloration commonly associated with mildew. We test our sealants against international standards such as ISO 846 (evaluation of the action of microorganisms) and ASTM G21 to ensure long-lasting protection under humid bath conditions.
Yes, we offer complete OEM customization services. We support custom bottle printing (screen printing/offset printing), customized outer cardboard boxes, and variable packaging capacities (e.g., 280ml, 300ml cartridges, 590ml/600ml sausages). Our design team works with you to apply your company branding and regulatory text directly onto the packaging.
Our standard manufacturing lead time is 15 business days from payment confirmation to container dispatch at Qingdao Port. MOQ varies by formulation and customization depth, but generally starts at 1 container load (FCL) for custom-printed plastic cartridges. For unprinted or white-label products, the MOQ can be negotiated depending on inventory availability.