Products

Tert-Butyl Peroxystearyl Carbonate [Content ≤ 100%]

    • Product Name: Tert-Butyl Peroxystearyl Carbonate [Content ≤ 100%]
    • Alias: Peroxydicarbonic acid, bis(1,1-dimethylethyl) ester, mixed with stearyl peroxydicarbonic acid, bis(1,1-dimethylethyl) ester
    • Einecs: 412-680-6
    • Mininmum Order: 1 g
    • Factroy Site: Yudu County, Ganzhou, Jiangxi, China
    • Price Inquiry: admin@ascent-chem.com
    • Manufacturer: Ascent Petrochem Holdings Co., Limited
    • CONTACT NOW
    Specifications

    HS Code

    175404

    Chemicalname Tert-Butyl Peroxystearyl Carbonate
    Synonyms Tert-butyl peroxyoctadecanoate carbonate
    Casnumber 148079-03-0
    Molecularformula C25H50O4
    Molarmass 414.66 g/mol
    Appearance Colorless to pale yellow liquid
    Purity ≤ 100%
    Density Approx. 0.9 g/cm³ (at 20°C)
    Boilingpoint Decomposes before boiling
    Solubility Insoluble in water
    Flashpoint Above 100°C
    Storageconditions Store in cool, dry, well-ventilated area away from direct sunlight

    As an accredited Tert-Butyl Peroxystearyl Carbonate [Content ≤ 100%] factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Tert-Butyl Peroxystearyl Carbonate is packaged in a 25 kg blue HDPE drum, clearly labeled with hazard symbols and handling instructions.
    Shipping **Shipping Description:** Tert-Butyl Peroxystearyl Carbonate (Content ≤ 100%) should be shipped as a hazardous material, in tightly sealed, corrosion-resistant containers. Store and transport away from heat, ignition sources, and incompatible substances. Ensure ventilation and appropriate labeling in accordance with local and international regulations for organic peroxides. Handle with care to prevent shock or friction.
    Storage Tert-Butyl Peroxystearyl Carbonate [Content ≤ 100%] should be stored in a cool, dry, well-ventilated area away from direct sunlight, heat, and ignition sources. Keep the container tightly closed and separate from incompatible materials such as acids, bases, and reducing agents. Use dedicated storage facilities designed for organic peroxides, and avoid shock, friction, or contamination to prevent hazardous decomposition.
    Application of Tert-Butyl Peroxystearyl Carbonate [Content ≤ 100%]

    Applications of Tert-Butyl Peroxystearyl Carbonate [Content ≤ 100%] in Industrial Manufacturing

    As an established manufacturer of Tert-Butyl Peroxystearyl Carbonate, we support international downstream processors across technically demanding sectors. Our material serves as a key functional agent in several controlled-industrial segments, responding to regulatory requirements and specialized process parameters. Below, we detail core application scenarios, process integration points, global compliance frameworks, and end-product profiles where our raw material achieves verified impact.

    1. Cross-Linking Agent for Polyethylene Wire & Cable Insulation

    Electrical cable manufacturers rely on Tert-Butyl Peroxystearyl Carbonate to initiate controlled cross-linking reactions during polyethylene compounding, crucial for insulation that meets high-temperature performance and dielectric strength requirements. The peroxide’s decomposition rate supports predictable gel formation in XLPE, enabling precise melt flow control during cable extrusion and ensuring insulation integrity for medium and high-voltage applications.

    Industry compliance standards

    • IEC 60502-1 (Power cables with extruded insulation and their accessories)
    • UL 44 (Thermoset-Insulated Wires and Cables)
    • RoHS Directive 2011/65/EU
    • REACH Regulation (EC) No 1907/2006

    Typical usage ratio

    • 0.8%–2.0% by weight relative to polyethylene resin, with precise dosage optimized by extrusion line speed, targeted cross-link density, and final dielectric specifications

    Downstream process integration

    • Metered addition during melt compounding of LDPE or HDPE base before extrusion; peroxide activation occurs in the continuous vulcanization tube (CV), timed to gel and cure polymer matrix in sync with extrusion throughput

    Final product types

    • Medium-voltage and high-voltage cross-linked polyethylene (XLPE) insulated cables
    • Automotive battery cable insulation
    • Submarine and underground power transmission wire jackets
    • Communication cable dielectrics

    2. Initiator for Unsaturated Polyester Resin Curing in Fiberglass Composites

    Fabricators in the composites industry introduce Tert-Butyl Peroxystearyl Carbonate as a free-radical initiator for the polymerization and curing of unsaturated polyester resins. Its controlled reactivity supports large-scale open-mold and closed-mold processing, allowing consistent gel times and shrinkage characteristics that are vital for laminating and bulk molding compounds (BMC/SMC) used in automotive, marine, and industrial panels.

    Industry compliance standards

    • ISO 9001 (Quality Management Systems for resin production)
    • ASTM D2583 (Standard Test Method for Indentation Hardness of Rigid Plastics)
    • ISO 14001 (Environmental Management)
    • Automotive OEM internal standards (e.g., GM GMW3359)

    Typical usage ratio

    • 0.5%–1.2% by weight calculated on the total resin mass; dosage varies by application thickness, mold temperature, and target cure profile.

    Downstream process integration

    • Incorporated into resin blends prior to laminate lay-up or injection molding; catalyst addition follows in the mixing stage immediately before gelation, enabling batch or continuous panel pressing, as well as hand lay-up or spray-up operations

    Final product types

    • Glass fiber-reinforced polyester panels for vehicle parts (trunk lids, hoods, fenders)
    • Boat hulls and decks
    • Building façade claddings
    • Electrical enclosure housings

    3. Polymerization Initiator for Acrylic Emulsions in Architectural Coatings

    Architectural paint and coatings formulators deploy Tert-Butyl Peroxystearyl Carbonate as an aqueous-phase initiator to drive the emulsion polymerization of acrylic monomers. Accurate control of the initiation rate permits tight latex particle size control, which is essential for paint stability, gloss development, and weathering resistance required by modern waterborne decorative finishes for construction.

    Industry compliance standards

    • ASTM D4827 (Standard Test Method for Determining the Unreacted Monomer Content of Acrylic Emulsions)
    • US EPA VOC Regulations for Architectural Coatings
    • EN 13300 (Paints and varnishes – Water-borne coatings classification)
    • ISO 16000-9 (Indoor Air Emission Certification)

    Typical usage ratio

    • 0.1%–0.7% by weight on total monomer feed, with exact amount calibrated by emulsion particle size-control and latex solid content targets

    Downstream process integration

    • Directly introduced into the reactor vessel as part of an initiator/catalyst system alongside chain transfer and buffer agents; initiates polymerization of acrylic or styrene-acrylic systems under controlled temperature and agitation conditions

    Final product types

    • Exterior and interior architectural paints
    • Elastomeric façade coatings
    • Masonry primers and sealers
    • Water-based wood coatings

    4. Vulcanization Agent in Industrial Rubber Manufacturing

    Technical rubber goods producers utilize Tert-Butyl Peroxystearyl Carbonate in peroxide-curing systems for elastomers where traditional sulfur vulcanization falls short on thermal stability, compression set, or chemical resistance. The compound ensures efficient covalent cross-link formation in EPDM, EVM, and silicone rubber compounds, particularly where automotive, pharmaceutical, or wire and cable specifications demand uniform curing and low extractable residues.

    Industry compliance standards

    • FDA 21 CFR 177.2600 (Rubber articles intended for repeated use)
    • ISO 340 (Conveyor Belting – Laboratory Tests for Flame Propagation)
    • UL 62/UL 758 (Flexible Cords & Appliance Wiring Material)
    • ASTM D2000 (Classification System for Rubber Products)

    Typical usage ratio

    • 0.7%–1.5% by weight on polymer content; formulators choose levels based on compound fill, targeted hardness, and final product service temperature

    Downstream process integration

    • Blended with elastomer base on two-roll mill or internal mixer prior to shaping; cross-linking initiated via oven or press cure at defined time/temperature profile post-molding

    Final product types

    • Automotive hoses and seals
    • Pharmaceutical and food-grade gaskets
    • High-temperature cable sheathing
    • Conveyor belts with flame retardancy

    5. Curing Agent for Thermoset Powder Coatings

    Powder coating producers employ Tert-Butyl Peroxystearyl Carbonate as a curing initiator for reactive thermoset formulations, especially polyester and epoxy-polyester (hybrid) powders. Its thermal decomposition characteristics enable uniform curing at lower bake temperatures, which supports more sustainable energy use and minimizes color shift or overbake for both functional and decorative powder-coated metal finishes.

    Industry compliance standards

    • Qualicoat (Quality Label for Coated Aluminium)
    • GSB International (Approval for Coated Building Components)
    • EN 13438 (Coatings for Steel Products for Building and Construction)
    • ISO 9001:2015 (Powder Coating QC Systems)

    Typical usage ratio

    • 0.4%–1.1% by weight in relation to total resin in powder blend; precise levels depend on resin reactivity and part geometry

    Downstream process integration

    • Incorporated during powder premix before extrusion and micronization; initiates network formation during curing oven bake after powder electrostatic application to metal substrate

    Final product types

    • Architectural aluminum profiles
    • Appliance exterior panels
    • Outdoor furniture with UV-stable finishes
    • Steel auto chassis parts

    Free Quote

    Competitive Tert-Butyl Peroxystearyl Carbonate [Content ≤ 100%] prices that fit your budget—flexible terms and customized quotes for every order.

    For samples, pricing, or more information, please contact us at +8615365186327 or mail to admin@ascent-chem.com.

    We will respond to you as soon as possible.

    Tel: +8615365186327

    Email: admin@ascent-chem.com

    Get Free Quote of Ascent Petrochem Holdings Co., Limited

    Flexible payment, competitive price, premium service - Inquire now!

    Certification & Compliance
    More Introduction

    Tert-Butyl Peroxystearyl Carbonate: A Manufacturer’s Perspective on Reliable Organic Peroxide Solutions

    Understanding Tert-Butyl Peroxystearyl Carbonate: From Our Reactor to Your Line

    In our industry, chemistry and reliability go hand in hand. We have worked with organic peroxides for decades, and Tert-Butyl Peroxystearyl Carbonate has steadily earned its place as a staple choice for initiators in polymerization, especially in the field of polyvinyl chloride, polystyrene, and acrylics. Manufactured in our facility under controlled conditions, this product, sometimes recognized by the shorthand TBPSC, comes in content levels up to 100%. What matters to most of our clients is not complicated — they want a consistent product that delivers the same performance batch after batch, and they count on a supply chain that matches the safety you expect from such a transformation-sensitive compound.

    The Key Details: Purity, Consistency, and Handling

    Every batch of Tert-Butyl Peroxystearyl Carbonate we produce relies on rigorous control of process parameters. Tight temperature, pressure, and ingredient ratios drive the outcomes. Sometimes it seems like a pinch more heat here or a slightly cleaner vessel there wouldn’t change much, but we know from first-hand experience that these are factors that influence color, decomposition point, and active oxygen content. Pure, nearly colorless-to-light yellow liquids or viscous pastes — this is what you see poured into the product lines of manufacturers making ABS plastic, or thick-walled PVC pipes, or consistent emulsion polymers. It’s easy for a description to whittle everything down to figures, but a batch that looks just a touch off will always make us pause and rerun our checks.

    TBPSC’s purity and handling matter because it is a strong oxidizer, and its efficacy as an initiator comes with inherent hazards. While experienced operators recognize the faint scent and the slight slickness as normal, safety protocols in storage and transport take up a good share of our focus. Packaging in tightly sealed, compatible drums and cool, ventilated storage can never be an afterthought. We spend time training our teams since handling this peroxide means making sure no contact with direct sunlight or incompatible materials slips through.

    Comparing TBPSC with Other Peroxy Initiators

    TBPSC does not stand alone in the catalog of organic peroxides, and we don’t mind comparing it with others because the best product depends on the customer’s polymerization process. There is an entire suite of peroxyesters and dialkyl peroxides in the market. For a long time, benzoyl peroxide or di-tert-butyl peroxide have been popular, but their decomposition profiles differ from TBPSC. The temperature at which the peroxide splits into radicals influences how a resin sets, what the final product properties look like, and how reliably a line can keep rolling at industrial scale. In our hands, TBPSC shows a moderate decomposition temperature, making it less risky than some fast-splitting peroxides but more active than sluggish ones. This balance allows higher molecular weight and more controlled polymer properties.

    Unlike the sharp, sometimes uncontrollable onset of low-temperature peroxides, the carbonate structure in TBPSC brings better long-term stability at room temperature. A lot of polymer producers reach out to us after they’ve experienced uneven batch curing with other peroxides, especially in summer when plant temperatures spike. They want a step up from benzoyl or cumyl products, without jumping to higher hazard profiles that make insurance and compliance paperwork a nightmare.

    Real Questions Customers Pose, and Our Direct Responses

    In real manufacturing settings, questions about TBPSC don’t focus just on numbers from a technical sheet. The real concerns relate to downstream effects: Will color consistency in a finished resin hold up with this initiator, or is there an increased risk of yellowing that the competition can’t deliver? How easily does it blend with other additives, or does it require extra steps and extra costs? What should I expect for shelf life if my facility operates in a humid climate?

    We work closely with process engineers from clients around the world, and what most want to know is how TBPSC compares for run-to-run repeatability, whether the finicky properties of some peroxides will show up in daily production logs, raising issues for quality teams. From our experience, as long as you control temperature on your floor and keep your raw material storage in check, TBPSC won’t surprise you mid-process. In comparison, more volatile or sensitive peroxides can shift from month to month batches, and that costs time and scrap.

    Why Manufacturing Quality Affects End-Product Performance

    Being a manufacturer, we see directly how modest changes upstream can transform what end users see. For TBPSC, the carbon length and tert-butyl group in the molecular structure translate into a unique radical generating profile. That means more controlled chain growth in polymer matrices, so pipe extruders, window profile makers, or manufacturers of technical films enjoy smoother, more predictable lines.

    Over the years, we noticed that using poorly manufactured organic peroxides — ones contaminated by water, dust, or even metal ions — increases the rate of unwanted side reactions. Things like excessive branching, gel formation, or off-gassing can all trace back to this source. We keep our manufacturing lines tight, use anti-static handling, and run hundreds of in-process checks because we want to know as soon as possible if a given batch even hints at inconsistency. Our clients see the result in their operational data: lower scrap rates, fewer production halts, less time spent troubleshooting foaming or viscosity shifts.

    Developing Safe and Reliable Organic Peroxides: The Human Element

    Working with TBPSC in practice requires emphasis on safety, not only for compliance with regulations but to protect those handling the product. We have made a point to establish double-check routines at every handling step. Valves and pumps are designed without dead-zones; static discharge protection is built into fill and withdrawal areas. Within the teams, new hires undergo shadowing so the first contact with TBPSC comes with support from technicians who know the difference between a safe reaction and a near-miss.

    Accidents often arise not just from the material, but from complacency and lack of communication. Our ongoing safety meetings often use practical examples — not just the official GHS symbols or written procedures — but actual near-misses and real lessons learned from years of manufacturing. It’s in this context that we see customers getting more involved, asking about incident logs or wanting reassurance about secondary containment and emergency venting.

    Supporting Your Application: Technical Expertise Built on Practice

    Producing TBPSC means seeing the full picture. We advise customers not just with the paperwork, but with shared experience. Some teams need finely tuned initiator ratios for co-polymer systems with delicate comonomers, while others look for more forgiving conditions. Over the years, we have developed dosing and feed protocols that minimize runaway reactions. In regions with less reliable climate control, this often means cold-chain transport or even on-site pre-blending techniques.

    Feedback from application engineers is always direct: “My profiles fused better at lower voltages,” or “The white-point stability was improved over our last supplier’s batch.” These insights, documented by our own technical support staff during site visits, shape how we refine our processes — real, verifiable improvements have come from manufacturers who test every incoming batch and who provide both praise and criticism with equal candor.

    Environmental Responsibility Throughout TBPSC Manufacturing

    Manufacturing organic peroxides brings responsibility beyond the product line. TBPSC, like other oxidizers, poses challenges in terms of waste handling and emissions. Since our early years, we have invested in contained reaction vessels, scrubbed vent effluents, and closed-loop solvent systems. Our approach favors minimal-byproduct synthesis, and as environmental controls have grown stricter, we leaned hard into documented waste-handling protocols.

    Neighbors in the region notice evidence of responsible handling: waste pickups, third-party audits, and low incident rates. While some competitors see compliance as an obstacle, we treat it as an extension of quality, since no amount of upfront efficiency matters if downstream residues linger or local communities face hazards they never signed up for.

    Market Trends: What Drives Customer Choices

    The last decade has seen a move towards higher performing, more specialized peroxides — not just any white powder or clear liquid. Polymer chemists, material scientists, and procurement teams ask for certifications, batch histories, and traceable supply chains. TBPSC’s balance of reactivity control and manageable hazard profile makes it more attractive as regulatory environments close the door on less stable alternatives.

    From talking with partners in Europe, North America, and Asia, we have seen how market access now demands transparency. We keep detailed batch records, offer supply chain audits, and share our internal product life cycle assessments. While this involves effort, it has also raised the confidence of buyers and technical partners alike. Far from being just another line item, TBPSC produced with transparency and full documentation builds long-term relationships rather than fleeting one-off sales.

    Technical Insights: What Sets TBPSC Apart for Modern Polymer Chemistry

    In production lines that run continuously for weeks, adjustability and consistency matter more than headline figures for active oxygen content. TBPSC distinguishes itself through a steady radical yield and clear decomposition temperature. A good number of streaming PVC, high-impact polystyrene, and even special acrylics plants select TBPSC for its flexibility during scale-up. They tell us they’d rather start with a mid-activity initiator and dial up or down with co-initiators, than fight with runaway reactions from more aggressive peroxides.

    There is also the matter of shelf life under varied storage conditions. TBPSC delivers a reasonably predictable stability curve, as long as it’s kept cool and protected from light. Our best customers run climate-monitored warehouses and know not to gamble with shelf life, but we field a lot of questions from smaller outfits about what can go wrong if there is a one- or two-week delay between delivery and use. Long experience says: keep it dry, keep it cool, and you will get the same results in June and December.

    Developing New Grades and Blends: A Manufacturer's Approach

    Every year brings requests for tweaks: lower viscosity versions for automated feeding, stabilized grades for hot-weather markets, or special blends for demanding co-polymerizations. Some plants want non-phthalate stabilizers; others need co-initiator pre-mixes. The flexibility in our synthesis and filling operations means we accommodate many of these requests, provided there is a clear technical rationale. We welcome site sourcing visits where technical exchange speeds up product development.

    Recently a customer dealing with intermittent brown streaking in their end product brought us polymer melt samples and plant temperature records. Instead of reading out from a universal recipe, our process team tested successive pilot blends, adjusting carbonate ester ratios and handling steps until control returned to their line. This sort of partnership — supported by detailed analysis, trial runs, and actual factory data — yields stronger insights than endless spreadsheet exchanges.

    Trust and Trackability: Building Real Customer Relationships

    Savvy polymer manufacturers judge more than just price or technical data sheets. They trace every batch, ask for detailed MSDS and CoA revisions, and want to know about raw material sources. As the world grows more interconnected — with audits, certifications, and global regulations shaping even small orders — we maintain a full ledger for every lot of TBPSC shipped. This means batch date, raw ingredient source, intermediate purity checks, holding time, and detailed shipping records.

    The focus on trackability stands as much for our peace of mind as for our customers’. If a batch raises a question anywhere from Antwerp to Shenzhen, our QA team responds with actual line data, quick re-testing, and no delays. Experience has taught us that delays or information gaps corrode trust, and replacing lost confidence takes exponentially more time than doing things right on the front end.

    Troubleshooting and Continuous Improvement

    Our technical service teams encounter recurring themes in troubleshooting: filtration issues, batch gelation, off-color shift, or perceived differences in fusing rates. Often, these symptoms trace back to something upstream — a change in resin batch, additive mix, weather patterns, or maintenance cycles. Rather than dismiss these as user error, we dive deep, with shared sample runs and lab-pilot validation.

    Feedback has driven us to refine wash cycles in reactors, tune sterilization during packaging, and retrain teams on correct storage and first-in, first-out principles. Improvements come from both successes and failures, and no process is static. Our quality managers meet regularly with plant leads to review “what went right” and “what went sideways”, and TBPSC’s product profile has improved each time a customer lets us see their real-world data.

    Training and Shared Knowledge: Safety, Application, and Compliance

    Consistency and safety only happen when knowledge moves freely. We run annual training sessions for customers, focusing not only on safe handling and storage but also on new regulations and sustainability topics. These sessions include hands-on demonstrations and direct Q&A with our chemists, not just slideshow presentations. Teams walk through the storage areas, see how to check container seals, and discuss decomposer handling on the actual line floor, not just in a classroom.

    We also help with paperwork on export requirements and certifying compliance for US, EU, and Asia-Pacific markets. This task grew more complex over the years as new rules around peroxide limits, hazard labeling, and transportation emerge. Manufacturers who prepare in advance avoid costly shipment holds and delays. We bring in experience from cross-border shipments and share preventive measures openly so customers can minimize risk without guessing.

    Looking Forward: Sustainability and Evolving Standards

    The road ahead for TBPSC and other organic peroxides is shaped by increasing scrutiny on safety, waste, and full lifecycle impact. Innovations in peroxide chemistry promise more active, safer-to-handle compounds, but the operational realities — supply security, documented production, worker safety — remain constant. As a manufacturer, we see ourselves as part of an evolving industry, not just delivering peroxides in drums but enabling real technical collaboration between plant operators, chemists, and supply chain managers.

    By putting technical knowledge, process transparency, and decades of field experience at the forefront, we foster long-term reliability in every shipment. Customers demand this, regulators expect it, and real end-users — from construction to healthcare — benefit downstream. Our commitment is to keep TBPSC and all our organic peroxides at the leading edge of quality, safety, and application know-how, year after year.

    Top