|
HS Code |
717919 |
| Chemical Name | Calcium Sulphate Fiber |
| Chemical Formula | CaSO4·xH2O |
| Appearance | White or off-white fiber |
| Density | 2.30–2.96 g/cm3 |
| Fiber Diameter | Typically 5–20 microns |
| Thermal Stability | Up to 1400°C |
| Moisture Content | Varies, generally low |
| Solubility In Water | Slightly soluble |
| Main Component | Calcium sulphate (CaSO4) |
| Application | Reinforcement in composites |
| Tensile Strength | Moderate, varies by grade |
| Flammability | Non-flammable |
As an accredited Calcium Sulphate Fiber factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | White, durable 25 kg bag labeled "Calcium Sulphate Fiber," featuring safety icons, product details, and batch number printed in bold. |
| Container Loading (20′ FCL) | Container Loading (20′ FCL) for Calcium Sulphate Fiber: Typically loaded 24-26 MT in 20' container, packed in moisture-proof bags or jumbo bags. |
| Shipping | Calcium Sulphate Fiber is typically shipped in sealed, moisture-resistant bags or bulk containers to prevent contamination and moisture absorption. Ensure containers are clearly labeled and handled with care. Store and transport in a cool, dry place away from incompatible materials. Follow all relevant local and international shipping regulations for chemicals. |
| Storage | Calcium Sulphate Fiber should be stored in a cool, dry, and well-ventilated area, away from moisture and incompatible substances such as strong acids. Keep the material in tightly sealed containers or packaging to prevent contamination and humidity absorption. Avoid contact with water to maintain fiber integrity. Store away from food and drink to ensure safety and prevent accidental ingestion. |
| Shelf Life | Calcium Sulphate Fiber typically has a shelf life of 12 months when stored in cool, dry, and well-sealed conditions. |
Competitive Calcium Sulphate Fiber prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please call us at +8615365186327 or mail to sales3@liwei-chem.com.
We will respond to you as soon as possible.
Tel: +8615365186327
Email: sales3@liwei-chem.com
Flexible payment, competitive price, premium service - Inquire now!
Every innovation in construction and advanced manufacturing grows from practical experience on the factory floor. Decades ago, reinforcing gypsum boards, plastics, or specialty panels meant turning to glass, synthetic, or mineral fibers. Our team builds upon years of hands-on process control to offer a straightforward solution: Calcium Sulphate Fiber. This product isn't just another additive; it stands out thanks to its unique mineral makeup and physical behavior under stress.
We start with natural gypsum ore, carefully selecting and purifying each batch. Through a controlled process, we transform this raw gypsum into fine, flexible fibers that carry a consistent level of calcium sulfate. We control particle size, aspect ratio, and moisture at every stage, using regular chemical analyses and practical tests to make sure the fiber meets the demands of concrete, plastics, and composite applications. Typical fiber lengths can range from less than a millimeter to several, and diameters remain tight, allowing precise integration into other materials. Hard data from in-house tests, including tensile strength and impact resistance comparisons, guide every production run.
Calcium Sulphate Fiber brings tangible improvements to end products. By introducing these fibers into gypsum boards, for example, the flexural and nail-pull resistance rises noticeably; we've seen test panels hold up better to construction-site abuse and rapid installation. Bulk density remains predictable, and surface smoothness often surpasses boards containing traditional glass fibers. Our internal quality team tracks deformability and elasticity in finished composites, feeding these numbers right back into our process adjustments each quarter. That loop of feedback means customers receive consistent results, not just one-off samples.
For plastics and specialty papers, these fibers change the playbook. Their unique interaction with thermoplastic and thermoset resins leads to improved dispersion and wetting, cutting the risk of fiber agglomeration or clumping during mixing—a common headache for compounders. We keep fillers free-flowing using careful moisture control, helping manufacturers maintain smooth extrusion and injection cycles. The natural mineral finish means better bonding in aqueous and cementitious matrices, giving fire resistance and better dimension stability. Over the years, panels, tiles, and sheets using our fiber have shown lower warping rates under heat compared to some mineral fiber alternatives.
Much of the global market for fiber reinforcement has grown accustomed to glass fiber, polypropylene, or basalt. Our manufacturing team has spent years gathering comparison samples, running production-sized lots, and documenting the kinds of practical issues faced down the line. Glass fiber has great tensile strength but can create dust, irritate workers’ hands and eyes, and present challenges during recycling. Synthetic fibers melt or deform at temperatures where construction fires and high-heat processing remain concerns. Basalt fibers bring strength yet are heavy and prone to breaking up during mechanical mixing.
What makes our Calcium Sulphate Fiber different is its natural compatibility with mineral-based and aqueous systems. Instead of introducing foreign or synthetic materials, builders and manufacturers strengthen their materials with something that already fits seamlessly with cement, gypsum, or specialty paper matrices. We've invested in downstream processing checks—running full-batch sheets and extruded samples through tough weathering, mechanical abrasion, and thermal cycling tests. Across multiple clients' real-world projects, the feedback shows reduced cracking and longer, more reliable lifespans, especially in environments where moisture and thermal expansion cycle repeatedly.
Ecological impact and circular resource management matter more than ever. Our fiber scores well in eco-audits. Being derived from abundant, non-toxic mineral sources, calcium sulphate does not leach hazardous substances and it returns harmlessly to earth when products reach the end of their lives. Lab analysis confirms zero heavy metal content and no release of organic volatiles during production or use. This profile simplifies environmental reporting for global clients and helps achieve green building targets.
We have worked with gypsum board manufacturers who switched to Calcium Sulphate Fiber as a way to balance cost, product consistency, and workplace safety. Plant managers have noted the marked reduction in dust compared to glass and the easier handling in automated feeder systems. Workers report less irritation, which supports higher uptime and reduces equipment cleaning cycles—translating to lower operational costs over a season. Further downstream, installers see fewer hairline cracks, especially in fast-drying or variable humidity conditions.
In specialty paper and filtration media, our fibers help meet strength targets without losing the fine porosity or smooth feel that customers want in premium products. The controlled diameter and flexibility reduce sedimentation or clumping in pulping and sheet-forming equipment. Over time, the savings show up in less downtime for equipment maintenance and fewer rejected rolls, keeping production runs on schedule.
Cementitious product manufacturers, including tilebackers and high-density panels, have moved to calcium sulphate-based fiber for predictable fire performance. We have worked alongside R&D leads to reformulate mixes where fire code and deformation resistance can make or break a product’s reputation in the construction channel. Direct feedback from contractors and field installers continues to shape how we fine-tune fiber sizing and surface chemistry, all aimed at delivering materials that perform under stress—not just in the lab, but in daily use.
Many customers share the same concern before adopting a new fiber: consistency from batch to batch. As the original manufacturer, our operations crew follows a lean process from raw material selection through synthesis, washing, fiberizing, drying, and packaging. Each shift undertakes strict checks for particle size distribution, moisture, and fiber length. Monthly cross-checks against specification targets drive home the lesson that minor process adjustments yield major improvements in downstream efficiency and user experience.
We field questions about blending, feeding, and storage conditions from customers worldwide. We explain the value of keeping Calcium Sulphate Fiber dry and sealed since our mineral fibers absorb water from the air. Using standard hoppers, pneumatic conveyors, and standard feeding screw augers, plant personnel integrate our fiber with little equipment change. If a client’s line has unique requirements, such as extremely fast throughput or specialized mixing heads, we run tailored bench tests in our lab and provide user-tested setup recommendations, based on both theory and hands-on equipment experience.
There are always trade-offs in material selection. Calcium Sulphate Fiber offers lower tensile strength than high-performance glass fibers, so it's not intended for ultra-high load structural elements. In plastics, the color is neutral, but it may impart a fine mineral hue in some resin systems, which doesn't suit every application. In cases where maximum elasticity or colorless fillers are essential, we advise R&D teams to evaluate sample batches through pilot runs before scaling up.
Importantly, the fiber’s mineral origin means it is stable at high processing temperatures, but can't withstand the extreme heat resistance of ceramics or certain engineered minerals like wollastonite. We explain these boundaries openly, recommending our fiber mainly for construction boards, lightweight fillers, and reinforcing plastic or paper where moderate strength, thermal stability, and environmental safety top the list of customer priorities. Regular feedback loops with clients help us advise where our fiber fits best and where a different reinforcement may suit better.
Manufacturers must follow evolving national and international standards for board, panel, and sheet materials. Over the years, our products have supported clients in meeting EN, ASTM, and local technical standards, as confirmed by batch certification and independent lab tests. We provide documentation for traceability, helping clients demonstrate compliance without bureaucratic delays. Our team spends the time to understand daily challenges on the factory floor or jobsite, carrying industry knowledge directly into our technical support routines. We're not removed from the realities of truck loading, batch weighing, or last-minute process changes; we understand equipment jams, seasonal humidity swings, and the stress of tight construction schedules.
We share what we know in plain language, keeping theory grounded in what occurs day after day in factories and on sites. If a customer encounters lumping, unusually high moisture, or unexpected board surface defects, we connect the dots with experience from our own line, drawing from past root-cause analyses. Many issues show up in missed feed rates, improper storage, or incompatible binder systems—pitfalls we've tripped on and solved over the years.
Materials science keeps pushing ahead, but breakthroughs often come not from exotic chemistry, but from small daily improvements. Calcium Sulphate Fiber reflects this principle. It's no miracle add-on—it’s a result of understanding what builders, manufacturers, and designers value most: reliability, safety, reduced waste, and realistic costs. Because it aligns with existing mineral systems, it supports a smoother path to scaling up or transitioning away from non-renewable or challenging-to-recycle reinforcements.
Our ongoing R&D focuses on refining fiber morphology to match the growing needs of engineered composites. We're piloting surface coatings that enhance compatibility with more resin types or targeted particle sizing for next-gen, lightweight panel applications. As codes around environmental impact and fire performance tighten in key world markets, we push development in both directions—making sure each coil, packet, or bulk load of fiber raises the bar for safety, process ease, and end-use performance.
End-of-life scenarios receive as much attention as initial product design. Our fibers do not introduce microplastics or hazardous leachates, and any debris from manufacturing or demolition fits into established gypsum and concrete waste streams. Ongoing collaborations with environmental certification groups help us back up these claims with independently reviewed data, giving original equipment manufacturers and contractors confidence at audit time.
We listen to customers beyond the paperwork. Factory supervisors ask about in-process troubleshooting, engineers want to cut abrasion in mixers, and frontline workers care about dust. Each group pushes us to optimize not just the fiber, but also the way we document, pack, and deliver it. Over time, direct feedback has guided us to use packaging that reduces breakage, labeling that speeds up warehouse handling, and delivery timing that fits customer shifts.
When the unexpected crops up, such as an unplanned batch halt, we offer direct advice on blending order or line cleaning, not just a script from a manual. Our plant crews face similar issues, so our advice isn’t theoretical. Field visits and remote diagnostics have shaped the support we provide—quick tips that work in practice, regardless of time zone or factory setup.
As raw material sources and customer targets evolve, we keep testing, documenting, and reporting on how our fiber performs across different climates, raw inputs, and binder chemistries. Working alongside industry partners, we're building a database from hundreds of global installations, turning user experience and technical feedback into better products and support routines.
Material selection often makes or breaks profitability and performance, long after the factory floor falls quiet. Calcium Sulphate Fiber offers a balance of cost, performance, worker safety, and sustainability. Concrete results matter more than marketing claims—each batch and shipment stands as proof in finished boards that carry loads, resist flame, and age well across climates. The straightforward mineral base aligns with shifting regulations and the growing demand for greener, safer materials.
Our journey doesn't stop at the loading dock. We share what we've learned through years of manufacturing, field testing, and customer partnership. By building on that foundation and focusing on measurable results, we help customers navigate change, avoid common pitfalls, and find new ways to solve the ongoing challenges of modern materials development and construction.