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This technical guide introduces Trigonox V388 as an MEKP initiator for polyester and vinyl ester resin systems, covering applications, handling, storage, SDS/TDS request information, and buyer selection points.
This article explains how Trigonox V388 works as an MEKP initiator for vinyl ester resin curing, including typical dosage ranges, temperature considerations, application areas, and safe handling practices.
Evergreen Chemicals hosted a strategic review with Nouryon to analyze organic peroxide sales across twelve key customers and current trends in China. The discussion emphasized growth in SMC, pultrusion, wind energy, and corrosion-resistant applications, explored collaboration through factory visits and technical sessions, and addressed pricing and supply challenges in BPO products. Evergreen Chemicals remains committed to providing reliable peroxide solutions, technical support, and market insights.
This guide compares Trigonox V388 and Butanox M-50 as MEKP initiators for polyester and vinyl ester resin systems, helping FRP manufacturers choose the right curing solution for tanks, pipes, panels, marine composites, and corrosion-resistant applications.
High-performance Derakane 470-300 vinyl ester resin offers excellent chemical resistance, mechanical strength, and thermal stability. Ideal for corrosion-resistant tanks, FRP pipes, FGD systems, and industrial equipment, it supports safe and durable composite solutions. Expert insights from Evergreen Chemicals help guide selection, processing, and sourcing for optimal performance.
The global wind energy sector is entering 2026 with record growth, driving a surge in demand for unsaturated polyester resin (UPR) and MEKP initiators for large wind turbine blades. Michael, Team Leader of the UPR Expert Database at Evergreen Chemicals, emphasizes that proper initiator selection is crucial for controlling gel time, exotherm, and structural quality. Offshore wind projects, larger blade sizes, and supply chain pressures make MEKP-cured systems indispensable. Evergreen Chemicals supports manufacturers in optimizing resin-initiator matching, ensuring consistent quality and process reliability across global wind energy applications.
Organic peroxide initiators play a crucial role in the curing of unsaturated polyester and vinyl ester resins. Choosing the right initiator prevents defects such as voids, dry spots, and incomplete polymerization. Ava, OP expert at Evergreen Chemicals, explains key considerations including resin compatibility, processing conditions, additive interactions, and proper storage. By optimizing initiator selection, manufacturers can achieve consistent curing, reduce defects, and improve efficiency. Evergreen Chemicals offers expert guidance and tailored solutions to enhance resin applications and minimize production challenges.
Evergreen Chemicals announces its participation in the China International Composites Industrial Technical Expo 2026, taking place September 1–3 in Shanghai. At Booth 6U12, the company will connect with global and local industry professionals to share expertise in fiberglass-reinforced plastics (FRP), wind energy, corrosion-resistant equipment, and industrial composites. With a commitment to quality, technical support, and long-term cooperation, Evergreen Chemicals aims to strengthen connections between international brands and the Chinese composites market.
On April 22, 2026, the Nanjing–Ma’anshan S2 Intercity Railway began operations, marking a milestone in urban transit integration. Evergreen Chemicals, as AOC’s Asia-Pacific partner, supplied high-performance halogen-free flame-retardant gelcoats for the metro’s interior components. These gelcoats deliver superior fire resistance, durability, and low-toxicity performance, complying with EU EN45545 HL2/HL3 standards. Evergreen Chemicals’ solutions have been implemented in multiple metro projects globally, highlighting their role in ensuring passenger safety and sustainable urban transport.
On April 30th, Evergreen Chemicals celebrated employees with March and April birthdays – Xu Ze, Zhu Xiaoxiao, Zhou Qianqian, and Zhou Li. The HR team organized balloons and a hands-on tulip-making activity, combining creativity and fun. The event strengthened camaraderie, allowing colleagues to enjoy delicious treats, laughter, and a cheerful office atmosphere, reflecting Evergreen Chemicals’ commitment to fostering a positive and engaging workplace culture.
Evergreen Chemicals was invited to attend the AOC Resins 2026 China Distributor Training in Nanjing from April 22–24. The event brought together distributors and industry experts to discuss product applications, technical solutions, and market strategies under the theme “Review, Renew, and Create Value.” Evergreen Chemicals engaged in technical sessions and factory visits, gaining deeper insights into AOC’s R&D, manufacturing, and logistics capabilities. The training further strengthened the strategic partnership between both sides and reinforced their shared commitment to stable quality, technical innovation, and long-term cooperation in the composites industry.
Evergreen Chemicals will participate in Composites Expo Russia 2026, held from April 22–24 at Crocus Expo in Moscow. The exhibition is a key event for the composites industry, attracting global exhibitors and professionals from sectors such as aerospace, wind energy, automotive, and infrastructure. At the event, Evergreen Chemicals will present its portfolio of unsaturated polyester resins, epoxy resins, vinyl ester resins, fiberglass materials, and specialty chemicals. With strong supply capabilities and technical expertise, the company aims to support customers in the rapidly growing Eurasian composites market with reliable and customized material solutions.
Our company successfully held its Q1 2026 Domestic Sales OKR Recognition Conference, celebrating teams and individuals who achieved strong results despite market challenges. With key contributions from Henkel, AOC, and Nouryon business segments, the team delivered solid performance and built a strong foundation for continued growth.
In early 2026, a 194-meter DN2200 stormwater pipeline, buried nearly 6 meters underground, was rehabilitated without excavation or disruption, thanks to Palatal Z455 TV-901. This high-performance UPR facilitated uniform liner saturation, controlled heat release, and reliable curing in sub-zero temperatures. Coordinated engineering and resin performance achieved a structurally sound, zero-leakage outcome, showcasing the resin’s capability for extreme trenchless rehabilitation projects. Evergreen Chemicals provides technical support and supply for such demanding applications.
Amid significant raw material price fluctuations caused by ongoing geopolitical tensions, Evergreen Chemicals emphasizes transparency and collaboration with its partners. By closely monitoring market dynamics, optimizing operations, and maintaining open communication, we support clients in navigating supply chain challenges and finding practical solutions during volatile times.
Evergreen Chemicals’ Q1 2026 review highlights strong growth and resilience despite rising costs and market volatility. Teams exceeded targets, focusing on cost control, supply chain efficiency, and customer-first strategies. Chairman Mr. Cao emphasized embracing change, staying grounded, and thinking long-term as the company moves into Q2.
In 2026, resin prices are rising sharply due to geopolitical tensions, increasing petrochemical feedstock costs, and ongoing supply chain disruptions. Key raw materials such as styrene, BPA, and epichlorohydrin have seen significant price increases, directly impacting both unsaturated polyester resins (UPR) and epoxy resins.
As bathroom design evolves toward higher standards of durability, hygiene, and comfort, SMC (Sheet Molding Compound) technology is redefining sanitary ware manufacturing. By combining seamless surfaces, structural strength, and efficient installation, SMC shower trays—powered by advanced AOC Palapreg® resin—offer premium performance and aesthetics, setting a new benchmark for modern bathrooms.
JEC World 2026, held in Paris from March 10–12, highlighted the latest developments in the global composites industry. Key trends included the rise of sustainable resin systems, advancements in manufacturing processes such as RTM and pultrusion, and growing demand for infrastructure repair solutions like CIPP. The event also underscored the importance of supply chain stability amid raw material volatility. As a supplier of unsaturated polyester, epoxy, and vinyl ester resins, Evergreen Chemicals continues to align with these industry trends, providing practical and reliable material solutions to customers worldwide.
Evergreen Chemicals marked the beginning of 2026 with a company-wide Kick-Off Ceremony, bringing together all employees to celebrate a fresh start. The event highlighted the company’s commitment to workplace safety, industry development, and team collaboration. Sales Director Jojo delivered an inspiring speech, emphasizing that safety always comes first while sharing insights into emerging trends in the marine and composite materials sectors. The ceremony concluded with interactive team activities and best wishes for prosperity in the Year of the Horse.
Evergreen Chemicals Co., Ltd.
