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HS Code |
618506 |
| Appearance | Translucent or milky white beads or granules |
| Pore Structure | Pore diameter ranges from 4.5 to 7.0 nm |
| Surface Area | 300 to 400 m²/g |
| Bulk Density | Approximately 0.65 to 0.70 g/ml |
| Adsorption Capacity | Moderate water adsorption capacity |
| Moisture Content | Less than 5% by weight |
| Ph Range | Typically 4 - 7 in aqueous suspension |
| Chemical Formula | SiO2·nH2O |
| Solubility | Insoluble in water and organic solvents |
| Thermal Stability | Stable up to approximately 600°C |
| Regeneration Temperature | 120°C to 180°C for effective drying |
| Specific Use | Commonly used as raw material for silica gel cat litter and microbead fillers |
As an accredited Type B Silica Gel factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Type B Silica Gel, 500g, packaged in a tightly sealed, moisture-proof, white plastic jar with clear product labeling and usage instructions. |
| Container Loading (20′ FCL) | Container Loading (20′ FCL) for Type B Silica Gel typically holds about 5,000-6,000 kg, packed in moisture-resistant, sealed bags or cartons. |
| Shipping | Type B Silica Gel should be shipped in tightly sealed, moisture-proof containers to prevent exposure to humidity. Store and transport upright in cool, dry conditions. Clearly label packaging with hazard and handling information. Avoid contact with water and strong acids. Comply with relevant local, national, and international shipping regulations. |
| Storage | Type B Silica Gel should be stored in a cool, dry, and well-ventilated area, away from moisture and direct sunlight. Keep it sealed in airtight containers to prevent it from adsorbing atmospheric humidity. Avoid contact with acids and strong alkalis. Proper storage ensures the silica gel maintains its desiccant properties and prolongs its shelf life. Keep out of reach of children. |
| Shelf Life | Type B Silica Gel typically has a shelf life of 2–3 years when stored in airtight containers under cool, dry conditions. |
Applications of Type B Silica Gel in Industrial ManufacturingAs a dedicated manufacturer of Type B Silica Gel, we supply high-purity material with controlled pore structure for integration in demanding industrial processes. Below, we outline specific downstream application sectors where our silica gel delivers critical functional value, detailing applicable compliance standards, realistic incorporation levels, exact production routes, and representative finished goods unique to each domain. 1. Chromatographic Purification in Pharmaceutical ProductionType B Silica Gel, with its intermediate pore diameter, serves as a reliable stationary phase in preparative liquid chromatography, supporting the bulk purification of APIs and intermediates. Pharmaceutical processors depend on precise particle uniformity and surface activity to achieve targeted separations under GMP compliance, particularly in scaling methods validated for active molecule isolation. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
2. Industrial Desiccant for Electronic Device and Component StorageElectronics manufacturers and warehouse operators utilize Type B Silica Gel in moisture-sensitive packaging workflows to maintain low-humidity conditions and prevent condensation-related failures in microchips and assemblies. The balance of adsorption speed and capacity fits common device storage timelines and environmental controls in ISO-certified facilities. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
3. Catalyst Carrier in Specialty Chemical SynthesisIn the chemical processing sector, Type B Silica Gel functions as a catalyst support owing to its well-defined pore connectivity, enhancing dispersion and stabilization of metal particles used in heterogeneous catalysis. Specialty syntheses such as fine chemical production and selective hydrogenation incorporate this grade for consistent activity and ease of catalyst handling. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
4. Matting Agent for High-Performance Industrial CoatingsManufacturers of polyurethane, acrylic, and epoxy-based coatings employ Type B Silica Gel as a matting agent, leveraging its uniform particle distribution and moderate oil absorption to lower gloss without impairing film integrity. This application depends on reproducibility to match stringent reflective parameters required for metal goods, plastic enclosures, and architectural panels. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
5. Column Packing Material in Food-Grade Purification ProcessesThe food and beverage industry integrates Type B Silica Gel as a purification medium in processing edible oils and alcoholic beverages, harnessing its selective adsorption of colors, peroxides, or residual contaminants. This scenario requires rigorous food safety validation and traceability, with control over contamination, extractables, and post-use removal. Industry compliance standards
Typical usage ratio
Downstream process integration
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6. Additive in Rubber Compound FormulationsRubber production plants add Type B Silica Gel to specific formulations where controlled moisture regulation and compound stabilization are required. It acts as a moisture scavenger and process aid, boosting storage stability and flow in products susceptible to hydrolytic degradation, particularly in tire manufacturing and technical rubber goods output. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
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Competitive Type B Silica Gel prices that fit your budget—flexible terms and customized quotes for every order.
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Tel: +8615651039172
Email: sales9@bouling-chem.com
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Silica gel comes in more than one form, and each serves a different purpose. Type B silica gel stands apart due to its unique pore structure and the range of real-world applications it supports. We have worked with this material at every stage, from sourcing raw inputs to controlling every detail of its transformation inside our plant. Our experience gives us a clear view of its chemistry, physical properties, and the many things that separate Type B from other options.
In manufacturing, we shape Type B silica gel to meet certain pore size and surface area standards. The material’s pore structure, usually in the 4-8 nanometer range, offers a middle ground between the finer pores of Type A and the wide pores of Type C. This intermediate design comes straight from controlling reaction times, temperature, and the right mix of acids and sodium silicate. Our model of Type B typically appears as irregular granules with a translucent, slightly milky appearance. The color may shift with humidity cycles, showing how water adsorption works in real time.
The finished product is usually 2-4 mm in size. Through years of process development, we’ve found that this range covers most adsorption needs while reducing dust and fines that can damage equipment.
Type B silica gel is defined by its mesoporous structure. Unlike the narrow, tight pores in Type A, or the much larger, looser matrix of Type C, Type B is engineered for intermediate performance. The surface area, often running from 400 to 500 m2/g, balances fast adsorption with the ability to hold larger molecules. This characteristic feeds directly into how our silica gel performs inside practical systems.
Many people think of silica gel as simple beads for moisture control. In our experience, it becomes clear that Type B does more. With our control of the production process, the gel’s mesoporous network lets it adsorb vapor-phase molecules larger than water, such as certain alcohols or organics. Chemical manufacturers often overlook these details, but technicians notice fewer blockages and smoother operation over longer cycles.
We supply Type B silica gel to a range of customers. Most often, the biggest buyers work in petrochemicals, paint drying, natural gas purification, and chromatographic separations. In natural gas, for example, water is undesirable because it can freeze and damage pipelines or cause corrosion. Type B silica gel clears this moisture without over-adsorbing heavier hydrocarbons, striking a necessary balance.
Paint and coatings manufacturers use our product to keep solvents dry during packaging and transit, which helps prevent changes in viscosity or curing rates. Laboratory workers use Type B as a stationary phase in column chromatography. The intermediate pore size means separation efficiency improves for larger molecules, where Type A falls short and Type C offers too weak a holding force.
It’s common for end users to ask about regeneration—how well the gel rebounds after being saturated with impurities or water. We can confirm from routine testing in our facility that Type B silica gel can be revived at moderate temperatures, around 120-150°C, across many cycles without losing its structural integrity. This property comes from its method of synthesis. Often, lower-grade silicas produce fine, powdery fragments after drying. With the correct production controls, this problem practically disappears.
Many industrial processes require a choice: Type A, B, or C. The decision shapes life-cycle cost, reliability, and safety. Type A, our other main product, has smaller pores and excels at deep drying where only water vapor must be removed—think instrument air, pharmaceuticals, or electronics packaging. Type C has wider pores and often appears in catalyst supports or as a raw material for further processing into other derivatives. Our Type B silica gel, by holding the middle ground, performs where neither extreme works.
Type A is suited for applications seeking desiccation to near-zero dewpoints, but it resists larger molecules. Type C can handle bigger species, but it sacrifices selectivity and capacity for water. Type B shines when the goal depends on a balance—good water uptake, but the ability to take up some volatiles or leave certain valuable components untouched. Our engineers work with customers to dial in exactly how much water should be left behind, as even slight differences affect downstream quality.
A lot of silica gel in the open market comes from traders who cannot vouch for consistency or contamination levels. Being the manufacturer, we have watched production from sodium silicate solution through to the finished material. Each lot goes through particle sizing, attrition testing, and loss-on-drying measurements. We keep detailed records of how the gel looks, feels, and performs in use.
Some users undervalue surface chemistry. From our own lab analysis, the purity levels in Type B silica gel change how it behaves with polar or nonpolar compounds. Lower sodium or chloride levels help avoid secondary reactions inside closed systems. We pay close attention to pH at each stage and control wash cycles to minimize soluble salt carryover that can damage sensitive applications.
Dust and fines create handling problems, especially in automated feeders or beds packed under pressure. Repeated screening, custom drying cycles, and gentle handling from drying to packaging help us keep attrition under industry benchmarks. With every batch, we test for absorption rate and total capacity, storing the histories for traceability. Over the years, this means far fewer complaints and longer service in the field.
We started manufacturing with the aim of improving worker safety and reducing waste. Type B silica gel, though inert and chemically stable, can present dust risks during handling or transfer. We have optimized our process to limit breakage and encourage end users to use sealed dispensing, which lowers airborne silica exposure. Routine workplace monitoring has led us to switch from open-air drying to closed-loop systems.
Many organizations treat spent silica gel as nonhazardous, but we encourage recovery and regeneration. Our process recycles much of the spent gel returned by large accounts, subject to cleaning and reactivation. Not only does this cut waste, it lowers buyer costs over the long run.
The industry faces recurring difficulty in balancing porosity and strength. Larger pores increase adsorption rates but weaken granules. Over the last decade, we adapted our process to use modified aging conditions, producing a more robust bead without shutting down the critical mesopores.
Frequent challenges appear in chromatographic and gas drying fields. Impurities, both ionic and organic, reduce usable capacity. Early years saw more returns due to high loss on attrition, pointing us toward cleaner feedstocks and longer wet-aging times before drying. Seasoned staff now check every lot for key performance data, making sure the product won’t break down in real use. Some batches of raw material yield different textures; machine operators now know how to adjust acid dosing, stir times, and washing to keep the end product aligned to specification.
Users of our Type B silica gel appreciate working with a manufacturer who doesn’t just ship bulk material and move on. We have engineers available to offer advice or troubleshoot, whether for small batch chromatography or large-scale drying. Over time, we’ve walked buyers through the process of fine-tuning bed depth, flow rate, and regeneration cycles to bring down costs. Our lab has duplicated customer failures to understand why a batch clogged or why water breakthrough occurred sooner than expected.
Sometimes an application starts with Type A or C on paper, then shifts to B based on the real separation profile. Having deep experience with all three major grades helps customers make informed decisions rather than face unnecessary downtime or added cost. Our lab can profile new applications, run simulated breakthrough curves, and share results based on real product lots—not just book values.
Many industries claim to have one-size-fits-all solutions, but direct manufacturing experience has shown that reality disagrees. Type B silica gel holds its position by offering a compromise between aggressive drying and wide molecule handling. As new applications emerge—whether in emissions control, environmental monitoring, or process gas treatment—the middle-ground performance of Type B keeps finding a home.
By controlling the making of this product from raw material to finished granule, we support industries needing precise and reliable performance. Customer feedback and our own internal trials continue to steer improvements. We refine pore size, adapt the washing sequence, and cut waste at every step. Continuous testing and openness to change mean our users get a more predictable, safer product year after year.
People sometimes ask if they can use Type B silica gel for food or pharmaceuticals. While our process can achieve high purity, each application must meet national standards. Our technical team reviews regulatory changes and adapts cleaning or packaging as needed. For new users, we recommend starting with a review of application and projected cycle time, then running pilot-scale tests to check performance.
A common question concerns capacity loss after multiple regeneration cycles. Our field and laboratory studies show that, given proper drying temperature and moisture monitoring, the gel’s capacity stabilizes after a few cycles and then gradually tapers, but far slower than poorly manufactured alternatives. Physical breakdown, or dusting, remains the main constraint, which is why we monitor and report attrition numbers per batch.
Certain customers run mixed-adsorbate systems—removing both water and solvents or organics. Based on our case files, Type B’s mesopore network can help adsorb larger molecules, but real-world results depend on competitive adsorption and vapor pressures. We recommend lab-scale trial runs and maintain open technical support for performance analysis.
Every customer, application, and batch feeds into a feedback system that powers process improvements here. Staff are trained to spot differences during daily runs. Managers keep historical records to identify process drift or spot anomalies before they grow. Quality audits reach the factory floor, not just the laboratory bench. Raw material checks pick up on sodium or heavy metal levels that could trouble certain downstream uses.
Occasional failures do still occur. We use those moments to adjust training, tweak process steps, or update equipment. Upgrading drum filling or automating final product screening has cut reject rates, saving time for everyone. Our close manufacturer-to-user link means fewer surprises and longer relationships.
Product brochures and specification lists only tell part of the story. Our knowledge rests not just on numbers, but on the daily work of refining, testing, and adapting Type B silica gel to real-world conditions. As the original manufacturer, we offer not only the physical product but detailed understanding about its behavior under pressure, in heat, and across repeated regeneration cycles. Many customers see the difference in longer service life, better adsorption performance, and the ability to troubleshoot or optimize without delay.
Whether for drying, separating, or safeguarding chemical processes, Type B silica gel fills a proven role between the extremes. Our commitment, built on years of batch tracking and direct problem-solving, supports end users with reliability, flexibility, and technical depth that keeps them coming back. Success is found not just in perfecting chemistry, but in building partnerships grounded in shared results.
