Explore our high-performance silicone formulations, fire-retardant polymers, and advanced construction glues certified for extreme environment resilience.
Strategically located in the heart of Shandong Province—a major industrial manufacturing and chemical hub in China—Shandong Jinfang Adhesive Industry Co., Ltd. stands as a premier enterprise specializing in the research, development, and high-volume production of advanced structural sealants.
Supported by a robust R&D infrastructure and a dedicated technical team, we maintain deep collaborative research partnerships with China's leading universities, including Shandong University, Xiamen University, and Linyi University. These relationships empower us to recruit top-tier chemical engineering talent and drive continuous product innovations in modern polymer chemistry.
"We deliver an integrated manufacturing system encompassing raw material formulation, fully automated compounding, inline degassing, precision injection molding, and intelligent packaging to guarantee batch consistency."
A comprehensive analysis of Room Temperature Vulcanizing (RTV-1) formulations engineered for modern architectural framing and industrial structural glazing.
In contemporary design, architectural styles utilize dark anodized aluminum, structural steel, and curtain wall profiles. Pure black sealants create stark visual contrasts, whereas white sealants are susceptible to external environmental staining and carbon accumulation. Dark Grey Silicone Sealant provides an aesthetically neutral interface that blends seamlessly with double-glazed IG units and grey facades.
Unlike acidic (acetic) cure sealants which release corrosive acetic acid during cross-linking, our advanced neutral-curing (alkoxy/oxime) formulation reacts with atmospheric humidity to produce non-corrosive alcohols or ketoximes. This process is essential for applications involving structural steel, copper components, laminated glass (PVB/SGP interlayers), and coated insulating glass edges.
The performance of our dark grey silicone is anchored in a high-grade polydimethylsiloxane polymer backbone. Reinforced with fumed silica and custom-blended carbon black and inorganic grey pigments, it resists UV-induced oxidation, thermal degradation, and environmental weathering.
Poor quality grey sealants often use organic pigments that break down under UV rays, causing discoloration and surface chalking. Jinfang utilizes inorganic metal oxides and specialized UV stabilizers to ensure consistent color retention and long-term elasticity in harsh outdoor conditions.
| Performance Parameter | Typical Value (Neutral Cure) | Test Standard Reference | Engineering Significance |
|---|---|---|---|
| Shore A Hardness | 35 - 45 | ASTM C661 / ISO 868 | Balances mechanical strength with joint flexibility |
| Tensile Strength (Max Elongation) | 1.8 MPa | ASTM D412 / ISO 37 | Withstands strong wind loads and structural movement |
| Movement Capability | ±50% | ASTM C719 / ISO 11600 | Allows joint contraction and expansion without cracking |
| Elastic Recovery | > 90% | ISO 7389 | Returns to shape after joint displacement |
| Tack-Free Time | 20 - 40 minutes | ASTM C679 | Allows adequate time for tooling while limiting dust pickup |
| Curing Depth (24 Hours) | 3.0 mm (at 23°C, 50% RH) | Internal QA / ASTM C1184 | Predictable cure schedule for assembly timelines |
| Service Temperature Limit | -50°C to +150°C | ASTM C1299 | Maintains performance across global temperature zones |
Shandong Jinfang operates advanced, automated twin-screw continuous compounding lines. This setup reduces human error, optimizes energy usage, and ensures consistent mixing of polymers, plasticizers, and pigments.
By integrating real-time quality control with inline vacuum degassing, we minimize air micro-bubbles in the sealant paste. Eliminating these bubbles prevents interior structural voids and joint failure under high wind pressure.
How Jinfang adhesives serve structural glazing, automotive engineering, clean energy, and future sustainable build projects.
Specially formulated to handle extreme wind shear, thermal strain, and seismic shifting in high-rise double-skin facades and curtain wall structures.
Delivers excellent vibration damping, structural bonding, and moisture sealing, enhancing cabin comfort and durability for the automotive industry.
Engineered for solar photovoltaic (PV) frame sealing and junction box bonding, maintaining performance under continuous UV and weather exposure.
The global chemical industry is transitioning toward ecological safety and carbon reduction. Jinfang's technical roadmap focuses on three key areas:
Transitioning from petroleum-derived silicones to bio-based alternatives, reducing the carbon footprint of structural adhesives without compromising mechanical properties.
Eliminating methyl ethyl ketoxime (MEKO) to comply with European chemical regulations, utilizing next-generation alkoxy curing mechanisms for better indoor air quality.
Developing micro-encapsulated polymers that repair microscopic fractures when exposed to ambient moisture, extending the service life of high-rise structures.
We configure formulations, properties, and commercial packaging to meet the specific requirements of our global clients.
We offer reliable high-volume manufacturing using your technical parameters or proprietary formulations, maintaining strict quality standards and batch-to-batch consistency.
Select from our pre-formulated, industry-standard options to launch your branded product line quickly. This low-cost solution helps you target emerging market trends efficiently.
Our lab adjusts viscosity, shore hardness, skin-over time, and color tones to align with your application needs, ensuring compatibility with regional weather conditions.
Choose from 300ml rigid plastic cartridges, 590ml/600ml foil sausages, or bulk 200L metal drums, configured to suit your shipping and application needs.
We provide high-resolution screen and offset printing directly on cartridges and sausage wraps to display your branding, barcodes, and safety compliance labels clearly.
All customized batches undergo rigorous quality checks to meet global standards like ASTM C920, EN 15651, CE, and REACH.
Our focus on quality, performance, and customer support drives our global reputation in the adhesive industry.
Jinfang delivers reliable performance through quality-driven manufacturing, offering a comprehensive range of adhesives and sealants to meet diverse application needs.
All batches undergo testing to ensure stability and reliability. Our R&D team maintains continuous capabilities for product development and innovation.
We optimize our manufacturing and supply chain to offer competitive pricing while maintaining rigorous quality standards.
We deliver customized solutions tailored to your technical requirements, with quick response times for global shipments.
Ideal for primary load-bearing glass pane bonding in commercial skyscrapers.
Low-emission interior gap sealant for doors, plasterboard joints, and skirting boards.
Premium fire-rated expandable foam blockading air drafts and structural heat leakage.
High-strength, instant-grab adhesive for wood panels, trim, and wall cladding panels.
Odorless, highly transparent hybrid polymer for glass-to-glass structural jointing.
Waterproof, anti-mold ceramic-finish grout designed for mosaic and swimming pool tiles.
Find technical answers on cure mechanisms, substrate compatibility, shelf life, and customization options for bulk procurement.
Our sealant uses inorganic, heat-stable metal oxide pigments and carbon black. Unlike organic pigments that break down under UV rays, inorganic pigments maintain their chemical structure. We also include a hindered amine light stabilizer (HALS) to protect the siloxane polymer backbone from UV degradation, ensuring long-term color stability.
Acetic-cure sealants release acetic acid during curing, which can corrode metals like copper, brass, and galvanized steel. It can also degrade the PVB or SGP safety interlayers in laminated glass. Neutral-cure sealants release non-corrosive alcohols or oximes, making them safe for glass, structural steel, anodized aluminum, and stone facades.
Dark grey aluminum profiles absorb more heat, leading to higher thermal expansion and contraction. To handle this movement, joint depth should be designed with a 2:1 width-to-depth ratio (minimum 6mm depth). Additionally, a backing rod should be used to prevent three-sided adhesion, allowing the sealant to flex properly.
Our sealants have a shelf life of 12 months when stored in their original, unopened packaging in dry, shaded conditions between 5°C and 27°C. Storing them at temperatures above 30°C can cause premature cross-linking and shorten the shelf life.
Silicone sealants have low surface energy, meaning paint will not adhere well to their surfaces. If painting is required for your project, we recommend using our Modified Silane (MS) sealants, which combine the durability of silicone with paint compatibility.
We source raw materials that comply with REACH chemical registrations. Our manufacturing process excludes restricted heavy metals and polybrominated compounds. Regular third-party testing verifies compliance, allowing us to supply clients in European markets smoothly.
Silicone offers excellent UV stability and high temperature resistance, making it ideal for glass facades. Polyurethane (PU) provides high mechanical strength and abrasion resistance, suited for concrete joints and high-traffic floors, but is sensitive to UV exposure. MS Polymers (Modified Silanes) combine these benefits, offering paintability, UV stability, and solvent-free application on diverse materials.
Compare our specialty polyurethane foams, waterproof polyurea grouts, acetic formulations, and high-load structural glazing adhesives.
Jinfang
