|
HS Code |
352620 |
| Cas Number | 101-90-6 |
| Molecular Formula | C12H14O4 |
| Molecular Weight | 222.24 g/mol |
| Appearance | Colorless to pale yellow liquid |
| Boiling Point | 187 °C at 7 mmHg |
| Density | 1.25 g/cm³ at 25°C |
| Flash Point | 138 °C (closed cup) |
| Solubility | Soluble in organic solvents; insoluble in water |
| Viscosity | 60-120 mPa·s at 25°C |
| Refractive Index | 1.533 at 20°C |
| Epoxy Equivalent Weight | Approximately 136 g/eq |
As an accredited Resorcinol Diglycidyl Ether factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The packaging is a 500g amber glass bottle, labeled "Resorcinol Diglycidyl Ether," with hazard warnings and tamper-evident seal. |
| Shipping | Resorcinol Diglycidyl Ether is shipped in tightly sealed, chemical-resistant containers to prevent leakage and contamination. The packaging should clearly display hazard labels, and handling must comply with regulations for corrosive and toxic substances. Store and transport in a cool, dry, well-ventilated area, away from incompatible materials and sources of ignition. |
| Storage | Resorcinol Diglycidyl Ether should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area away from direct sunlight, heat sources, and moisture. Keep it separate from oxidizing agents, acids, and bases. Store at recommended temperatures according to manufacturer guidelines, and ensure that appropriate chemical spill containment and safety measures are in place. |
Competitive Resorcinol Diglycidyl Ether prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please call us at +8615380400285 or mail to sales2@liwei-chem.com.
We will respond to you as soon as possible.
Tel: +8615380400285
Email: sales2@liwei-chem.com
Flexible payment, competitive price, premium service - Inquire now!
Resorcinol Diglycidyl Ether, or RDE as those of us in the chemical industry know it, has earned its place on the production floor through a long history of reliability and performance. Our team has spent decades in the lab and at scale perfecting its manufacture—not just for purity, but for the nuances that end up deciding if an epoxy system works or fails in practice. This compound's reputation comes not out of marketing, but from real results in curing efficiency and crosslinking strength, especially where thermal, chemical, and mechanical resistance really matter.
We see customers rely on RDE when the cost of failure is high and repairs are a headache. RDE offers a viscosity profile that processors and engineers appreciate. If you’ve ever struggled with batch-to-batch variation or off-odor materials, you’ll know how quickly small errors can snowball in resin modification. That’s where our expertise in reactor control and raw material quality shows itself. We’ve optimized those reactor conditions based on feedback from users in mold manufacturing and electronics encapsulation. This isn’t a theoretical edge—on the ground, consistent material simplifies downstream blending processes and minimizes the need for fiddling with cure cycles.
Our facility produces a technical and a high-purity model. Both grades stick to the narrowest possible epoxide value range, targeting between 0.43 and 0.47 eq/100g. Our technicians examine molecular distribution to remove outliers that can kill performance in specialty adhesives and coatings. In day-to-day production, we find that downstream adhesive makers benefit from the high-purity grades, especially for potting compounds where electrical insulation ranks at the top of priorities. Our technical grade finds its way into industrial sealants, flooring composites, and general-purpose rigid foams. Because we make every batch on dedicated lines, cross-contamination concerns don’t get a chance to creep in, which has proven crucial for formulators pushing boundaries on flame retardancy and solvent resistance.
Over years in production, we’ve worked alongside customers reengineering their classic phenolic adhesives to push farther into composite and electronics territory. RDE’s diglycidyl groups provide a straightforward route for reaction with amines and acid anhydrides. Users building two-part systems notice that, compared to mono-functional epoxides, RDE boosts flexibility and toughness without dragging down reactivity or raising outgassing levels during curing. In marine and aerospace markets, these properties can open doors to longer service intervals and lighter composite builds without trading away weather and moisture resistance. We’ve seen automotive manufacturers, in particular, reduce cycle times during assembly by making use of RDE’s lower viscosity and its improved wetting profile. This trickles into fewer rejects from poor interphase bonding.
A huge part of our work involves close feedback loops with coating and adhesive formulators. They’ve reported that RDE delivers more predictable results in low-temperature processes, especially in fiber-reinforced plastics manufacturing. Many epoxy hardeners struggle with inconsistent polyaddition at cool ambient temps. RDE's reactivity profile allows for more reliable gel times and full cures even below 20°C, driving demand in wind blade and civil infrastructure applications. Not every user needs this level of reliability, but for those working outside climate-controlled lines, it means not scrapping entire runs due to incomplete curing. The real benefit comes through reduced downtime and less manual intervention.
Much of the industry's focus leans on bisphenol-based epoxies, especially those derived from bisphenol A or F. We’ve fielded countless requests to explain why RDE delivers something different. Its resorcinol backbone equips it with a unique network-forming ability. The aromatic core along with the two glycidyl ether groups improves crosslink density, which in turn enhances final hardness and chemical stability—particularly in corrosive environments or in conditions of sustained heat and load. End-users in circuit board impregnation and chemical processing plants repeatedly tell us that alternatives lose shape or craze after cycles of thermal stress. Resorcinol-based epoxides simply last longer in those roles. Downstream, compliance managers also note reduced concerns about endocrine disruption relative to some bisphenol A derivatives—a growing conversation as regulatory scrutiny tightens.
We spent years developing inspection protocols that focus as much on end-use performance as on meeting spec sheets. Regular checks of epoxide value, chlorine content, and residual resorcinol levels make a real difference. With our high-purity model, the color remains water-white even after storage. This isn’t just an aesthetic note—discoloration signals degradation or contamination in most cases. Processors commenting on color stability have reported higher downstream yields, fewer cleaning cycles for mixing equipment, and less time troubleshooting hardening failures. Customers working in high-performance electronics have told us how much they value our tight moisture content controls under 0.1%. Water triggers side reactions in epoxide chemistry, shortening pot life and compromising cured network properties. By holding to strict outgoing moisture standards, we back up the claims we make about RDE’s shelf life and reliability under tough manufacturing conditions.
Over our years in the industry, we’ve watched demand for RDE shift alongside larger trends in materials science. As specialty resin users seek replacements for halogenated additives, RDE’s chemical stability and fire resistance step up as a practical option—especially in cables, laminates, and railway infrastructure. Its combination of high purity and controlled reactivity makes it a fit for modern low-emission formulations without compromising lifespan or safety. For years, sustainability has hovered as a buzzword, but we see more customers ordering RDE as they phase out legacy resin systems built around stubborn, persistent pollutants. By aligning our output with customer feedback about regulatory and insurance requirements, we help projects clear new hurdles in product certifications, not just in the lab but when it matters—during actual compliance audits.
Handling and storage questions come up with every new user. RDE arrives as a clear liquid, manageable at room temperature, without the shelf instability or crystallization headaches of some multifunctional epoxides. Experienced production managers prefer this form because it speeds up weighing and mixing, especially on short-notice jobs. We ship RDE with defined pour and freeze points to support cold environments and prevent surprises in shipment, even when weather turns unpredictable. Our warehouse crew checks every batch for leak-tight container seals and includes tamper-evident closures for projects with sensitive audit trails. Over time, this attention to shipping and packaging quality has reduced claims and kept downtime off the books for our end-users.
Compared to standard diglycidyl ethers made from bisphenol A, RDE produces cured networks with greater flexibility and impact tolerance. Resin formulators using our material for vibration-resistant adhesives have reported improvements in peel strength and aging resistance. Unlike rigid epoxies that sacrifice toughness for modulus, our RDE offers a balanced profile appreciated by manufacturers aiming for both durability and adaptability. In electrical applications, the clean reactivity profile means less freed chlorine, reducing the risk of corrosion at crucial junctions. We also hear from composite molders who value RDE’s lower viscosity—for them, wetting complex fiber structures or filling challenging cavities turns into a straightforward task, not a fight with thick, sluggish liquids. It's less of a question of which is ‘better,’ and more about which suits real-world production needs.
Some of our most revealing feedback emerges from hands-on users—production engineers, plant chemists, and technical managers. A composites engineer once remarked that using RDE in resin transfer molding reduced cycle variance by nearly a third over six months, slashing costly rework and improving customer satisfaction. Another recurring story comes from electronics assemblers using RDE as part of high-purity potting resins; they've documented decreases in dielectric breakdown, particularly where miniaturized circuitry leaves little room for error. Unlike with unrefined or impure alternatives, they saw a drop in field failures and warranty returns. Adhesive formulators working on automotive lighting enclosures confirm better long-term clarity where other hardeners tend to yellow over time.
Making RDE work in diverse industries involves more than delivering on purity and specification. Over several decades, we’ve learned how temperature, processing speed, and batch size affect the performance of resorcinol-based epoxides. For example, in large structural castings, the trapped air and inconsistent mixing speeds can sabotage full curing. By working with users to modify fill rates and agitation strategies, we’ve helped minimize void formation, keeping the cured materials tough and reliable. In panel lamination lines, heat transfer becomes a sticking point. Our technical staff collaborated with operators to tweak RDE loading schemes and hardener ratios based on real-world press data, improving panel flatness and bond strength. Through site visits and process analysis, we keep learning and improving our own manufacturing protocols as well.
RDE’s production process starts from carefully selected resorcinol, meeting global standards for purity and trace metals. Residual solvents and monomers get special scrutiny—not just because of regulatory paperwork, but for the health and safety of workers blending and processing resin in often-inadequate ventilated environments. We limit batches with excessive residuals and provide certified test data for each lot. End-users know they’re not just relying on a spreadsheet; they're working with material vetted by people who understand what 20 ppm of residual means on the line. Our plant managers keep open channels with workplace safety and environmental compliance officers, so issues like emissions control and worker protection are solved before they interrupt the process.
We’ve watched some of our most innovative partners push RDE far beyond its traditional roles. For instance, additive manufacturing specialists blend our high-purity grade into UV-cured systems, searching for faster cycle times and higher part resolution. Others explore flexible electronics by combining RDE’s network-forming strengths with new conductive fillers, aiming for shock-resistant circuits in wearable devices. R&D teams share that the versatility and chemical compatibility allow them to experiment with smaller batches and more agile pilot runs—reducing waste, saving time, and accelerating innovation. As these trends pick up steam, our specialists keep tuning production to keep pace with the speed of real-world R&D.
After decades in manufacturing, we’ve learned that strength comes from partnership, not just transactions. Our production team stays in touch with both industrial and specialty users, adapting technical support and supply logistics to fit their changing needs. Instead of waiting for problems, we reach out before new launches and schedule regular check-ins to review product performance and incoming challenges. This relationship-first approach—grounded in listening and experience—has saved customers from costly miscalculations and kept their businesses competitive even as material demands shift.
From pilot drum to full tanker load, our process keeps a sharp focus on operational discipline. Advanced equipment, skilled operators, and rigorous process audits cut out guesswork and prevent costly interruptions. We don’t just wheel out a generic product; our team constantly tweaks reactor parameters, filtration protocols, and final finishing steps to match the real requirements of resin formulators and composite producers. Plant tours often spark collaborative pilot runs that lead to improvements in viscosity control or a cleaner final product—not possible with remote or hands-off suppliers.
Many epoxy manufacturers lean heavily on ornamented claims. Our record stands on measurable differences, from field-verified improvements in resin cure time to markedly higher consistency in performance-critical applications. Technical auditors and purchasing agents who’ve checked our plant know our documented approach to batch tracking, which links every shipment to full traceability on starting materials, conditions, and QC milestones. This transparency gives assurance in an industry where unpredictable inputs can spell disaster.
Every year brings a new challenge. Whether it’s supply chain shocks, new regulatory hurdles, or growing customer technical demands, our focus stays on adapting to changing constraints while never losing the core characteristics that make RDE useful across such a wide sweep of sectors. We watch global trends in functional materials, environmental compliance, and digital manufacturing closely, and we share what we learn with our network. Those continual exchanges between our plant, the scientific community, and our clients keep us ahead of shifting technical, commercial, and environmental standards.
The evolution of RDE at our plant is rooted in conversation—with the material, the process, and the end-user. The controlled balance of molecular weight, reactivity, and purity did not emerge overnight. Years of setbacks, feedback from the field, and iterative improvements built the RDE we supply today. This substance finds its way into large bridges, custom electronics, industrial coatings, and next-generation composites, not because of luck, but discipline, skill, and unrelenting focus on measurable outcomes.
For users across composites, adhesives, coatings, and electronics, our RDE offers more than a batch number and a tech sheet. It delivers confidence built from shared experience at every stage—and a commitment to refining both product and service so that your finished goods perform as expected under real-world conditions.