Jiayuan Chemical: High-purity hexafluorobutadiene aids in precision etching

As advanced semiconductor manufacturing demands increasingly sophisticated high aspect ratio structures and precise pattern control, the purity and process compatibility of electronic specialty gases are becoming increasingly important. Hexafluorobutadiene (C₄F₆) is a specialty gas used for etching semiconductor dielectrics. Changzhou Jiayuan Chemical Co., Ltd. can provide high-purity hexafluorobutadiene with a purity of up to 99.995%, offering product options for related process applications.   I. High-requirement etching processesResearch published by the National Institute of Standards and Technology (NIST) indicates that hexafluorobutadiene is suitable for critical semiconductor etching processes requiring high selectivity and high aspect ratio. Its application value lies in helping process developers optimize etching conditions for different thin film materials and structures; however, the actual effectiveness still needs to be evaluated in conjunction with equipment, process parameters, and customer verification results. II. 99.995% High Purity and Impurity ControlIn electronic specialty gas applications, gas purity and impurity control are crucial factors affecting process stability. According to Jiayuan Chemical, its hexafluorobutadiene products achieve a purity of 99.995%. For semiconductor and high-end materials customers, clearly defining purity indicators and continuously monitoring batch consistency facilitates incoming material evaluation, process verification, and supplier quality management. III. Focus on Performance and Environmental ManagementAccording to relevant technical documents from the U.S. Environmental Protection Agency, hexafluorobutadiene can be used in etching applications involving specific oxides and materials with low dielectric constants. Its environmental performance should be assessed in conjunction with specific research scope, life cycle, and actual emission controls, and should not be compared absolutically based on a single indicator. Production, transportation, and use must still comply with relevant special gas safety regulations and emission management requirements. ConclusionHigh-purity hexafluorobutadiene is one of the electronic specialty gases worth noting in the field of advanced semiconductor etching. Jiayuan Chemical can provide hexafluorobutadiene products with a purity of up to 99.995%. We welcome relevant customers to further discuss product specifications, packaging, and application requirements. FAQ1. What is the molecular formula of hexafluorobutadiene?Hexafluorobutadiene has the molecular formula C₄F₆ and its English name is Hexafluoro-1,3-butadiene. It is often used in semiconductor-specific dielectric etching processes.2. What is the purity of high-purity hexafluorobutadiene?According to the product information provided by Jiayuan Chemical, the product purity can reach 99.995%; specific indicators and testing items should be based on the latest product specifications and batch inspection documents.3. In which fields is hexafluorobutadiene mainly used?Its main applications include specific dielectric etching processes in semiconductor manufacturing. Its practical applicability needs to be verified based on the thin film material, equipment conditions, and process objectives. 

A delegation from Changzhou Jiayuan Chemical visited the National Chip Exhibition at the Shanghai International Industry Fair, focusing on the integration of the semiconductor materials industry chain

From October 12th to 16th, 2026, a delegation from Changzhou Jiayuan Chemical Co., Ltd. visited the 26th China International Industry Fair (Shanghai) at the National Exhibition and Convention Center (Shanghai), where the integrated circuit exhibition (CIIC) was held for the first time as an independent event. The delegation focused on examining exhibitors in the semiconductor materials and fluorochemical industry chain, and explored customer development and industry connections in line with the company's new materials business. This year's CIIC brought together over 300 companies from the entire integrated circuit industry chain, covering design, manufacturing, packaging and testing, equipment, and materials, providing a centralized platform for chemical new materials companies to connect with the semiconductor supply chain.  Industrial Collaboration: From Fluorochemical Raw Materials to Wafer Manufacturing ApplicationsThe Jiayuan delegation focused on visiting the exhibition areas related to electronic manufacturing and semiconductor materials. Within these areas, companies from the entire industry chain were showcased, ranging from upstream fluorochemical raw materials and ultra-clean, high-purity wet electronic chemicals to downstream fluoroplastic processing products and wafer manufacturing applications. Delegation members exchanged views with several exhibitors on application scenarios and supply collaborations for products such as hydrofluoric acid, ammonium fluoride, PTFE, and PFA. According to the discussions, semiconductor manufacturing has stringent requirements for the purity and batch stability of wet electronic chemicals. The demand for fluoromaterials in equipment sealing, cleaning tanks, and thermal insulation sleeves continues to grow, and collaborative development between material companies and manufacturers is becoming an important direction for industry chain cooperation. Benchmark against product catalogs and advance potential customer development. Prior to the visit, Jiayuan Chemical compiled a list of target companies based on its product catalog, covering wafer foundry, fluorochemicals, electronic bulk gases, and fluoroplastics processing. During the exhibition, the delegation visited relevant booths, focusing on understanding customers' specifications for ultra-clean, high-purity chemicals such as UP-grade hydrofluoric acid, ammonium fluoride, ammonia, sulfuric acid, and hydrogen peroxide, as well as procurement and cooperation models for fluorine materials such as PTFE, FEP, and PFA. Several exhibitors expressed interest in connecting with the delegation, which simultaneously established contact channels, accumulating resources for subsequent sample delivery, technical exchanges, and business negotiations.  Taking the exhibition as an opportunity, we will explore practical cooperation in the field of materials.Members of the Jiayuan delegation stated that the National Chip Exhibition at this year's China International Industry Fair (CIIF) showcased the collaborative landscape of the semiconductor material localization process and provided a clear path for chemical new materials companies to enter the semiconductor supply chain. Jiayuan Chemical will take this visit as an opportunity to continuously track the dynamics of the semiconductor functional chemicals and fluorine materials industries, exploring new and pragmatic cooperation paths in areas such as electronic chemical supply chain collaboration and the expansion of downstream applications of fluorine materials, driving high-quality development of the company through technological innovation.

99% Ammonium Bifluoride : Dual Advantages in Purity and Impurity Control

In the ammonium bifluoride market, purity is the most direct criterion for customers when selecting products. Our company offers high-grade ammonium bifluoride with a purity of ≥99%, and industrial-grade products with a purity of ≥98%, covering different application needs. The 99% purity specification is the focus of this article. What does 99% mean? Numerically, it's only one percentage point higher than 98%. However, in actual production processes, this one percentage point increase is accompanied by a comprehensive reduction in the impurity system.  First, let's look at the control of anions and moisture. Our company's 99% specification products have a drying loss of ≤0.5%, ensuring that the products are not prone to moisture absorption and clumping during storage and transportation, and that the feed flowability is stable; the ignition residue is ≤0.05%, keeping the total amount of inorganic impurities at an extremely low level; chloride is ≤0.005% and sulfate is ≤0.005%, with both indicators tightened simultaneously, effectively reducing the risk of side reactions in downstream reactions and reducing the hidden dangers of equipment corrosion. Metal ion control is the core advantage of the 99% specification. Iron content ≤0.005% means that for glass etching customers, the etched surface is less prone to yellowing, ensuring better light transmittance and appearance quality; for metal surface treatment customers, it means that coating adhesion is not affected by residual iron ions. Heavy metals ≤0.003% leaves room for application in fields highly sensitive to heavy metals, such as electronic chemicals and pharmaceutical intermediates. Another key indicator deserves separate mention: fluorosilicate ≤ 0.2%. Fluorosilicate is one of the most difficult impurities to separate during ammonium bifluoride production, and its content directly affects etching uniformity. In glass frosting processes, high fluorosilicate levels can lead to uneven surface haze; in metal processing, it may interfere with reaction consistency. Our company has consistently controlled this indicator below 0.2%, reflecting the maturity of our refining and purification processes. The industrial-grade 98% purity specification also features a white crystalline appearance and is suitable for common applications such as glass etching, metal surface treatment, and oil extraction acidizing, meeting the needs of industrial customers who require batch stability. 98% is the standard configuration for industrial-grade products, while the 99% purity specification implements stricter limits for impurity control, forming a clear selection gradient. Purity figures are merely the entry point; the impurity ledger is the real substance. The value of our 99% ammonium bifluoride lies in a complete set of quantifiable and verifiable limits for drying loss, ignition residue, chlorides, sulfates, fluorosilicates, iron, and heavy metals, allowing customers to make precise choices based on the actual needs of their processes. FAQQ1: What is the main difference between 99% ammonium bifluoride and 98% industrial grade products?A: The 99% specification adheres to stricter limits for impurity control, including drying loss ≤0.5%, chloride ≤0.005%, sulfate ≤0.005%, fluorosilicate ≤0.2%, iron ≤0.005%, and heavy metals ≤0.003%. The 98% industrial grade is suitable for general industrial applications, while the 99% specification is geared towards applications with higher sensitivity to impurities, forming a clear selection gradient. Q2: What is the practical significance for customers if the fluorosilicate content of 99% specification is controlled below 0.2%?A: Fluorosilicates are among the most difficult impurities to separate during production, and their content directly affects etching uniformity. In glass frosting processes, excessively high levels can lead to uneven surface haze; in metal processing, they may interfere with reaction consistency. Maintaining fluorosilicate levels stably below 0.2% effectively ensures the stability of downstream customer processes across batches. Q3: What do iron and heavy metal indicators mean for glass etching and metal surface treatment customers?A: Iron content ≤0.005% prevents yellow spots on the etched glass surface, ensuring light transmittance and appearance quality; heavy metals ≤0.003% ensures that the adhesion of coatings during metal surface treatment is not affected. These two indicators are crucial for 99% of the specifications to be compatible with high-end industrial scenarios. Q4: How can customers determine whether to choose the 99% or 98% specification?A: The key factor is the process's tolerance for impurities. For routine glass etching, oil extraction acidizing, and ceramic manufacturing, 98% industrial grade is sufficient. If there are specific requirements for etching uniformity, color consistency, or heavy metal residue, we recommend choosing the 99% specification. Customers can request complete testing data for both product grades to make an accurate selection based on their actual process parameters.

Changzhou Jiayuan Chemical Co., Ltd. cordially invites you to the

Currently, the global semiconductor and electronic information industry landscape is undergoing rapid restructuring, with the process of domestic substitution continuing to accelerate. As the cornerstone of core areas such as chips, wafers, and photovoltaics, electronic materials are facing unprecedented opportunities and challenges. From October 21st to 23rd, 2026, the highly anticipated "BAllNFO 2026 Seminar on Electronic Materials Technology Developmentand Market Situation" will be grandly held in Hefei, Anhui. Changzhou Jiayuan Chemical Co., Ltd. (hereinafter referred to as "Jiayuan Chemical") will showcase its full range of fluorochemical products, looking forward to exchanging ideas with industry colleagues and exploring new development paths. Hefei, as a major hub for China's semiconductor and photovoltaic industries, boasts a well-developed industrial support system. This seminar will bring together manufacturers, downstream buyers, research institutions, and investment organizations across the industry chain to deeply analyze industry pain points and assess domestic and international market supply and demand trends. Jiayuan Chemical, a company specializing in R&D, production, and international trade in the fluorochemical field, will take this opportunity to report and showcase its achievements in the fluorochemical industry chain. Since its establishment in 2014, Jiayuan Chemical has consistently adhered to technological innovation and is committed to cooperation with well-known domestic fluorochemical research institutes. Currently, the company has gradually built a complete industrial chain from basic fluorite mine investment to fluorine product production, forming a balanced upstream and downstream development pattern based on fluorite.  At this exhibition, Jiayuan Chemical will focus on showcasing two core product lines:In the area of organofluorine products, the company will showcase trifluorochloroethylene (CTFE) with an annual production capacity of 3,500 tons, octafluorocyclobutane (C318) with an annual production capacity of 1,000 tons, as well as hexafluorobutadiene, octafluoropropane, PMVE, and other products. The company also possesses certain OEM manufacturing capabilities, covering products such as perfluoroethylene propylene (F46) and hexafluoropropylene oxide. In terms of inorganic fluorine production lines, Jiayuan Chemical will bring high-quality products such as electronic-grade potassium fluoride (6,000 tons per year), electronic-grade magnesium fluoride, electronic-grade lithium fluoride, electronic-grade calcium fluoride, and toothpaste-grade sodium fluoride, and provide professional customized fluorine product production line services to meet the diversified needs of the market. In addition to its products, Jiayuan Chemical will also showcase its professional sales and technical team, as well as its comprehensive after-sales service system. Adhering to the principle of "customer first, integrity paramount," the company looks forward to in-depth exchanges with domestic and international enterprises and institutions in Hefei to establish long-term cooperative relationships. From October 21st to 23rd, 2026, in booth A2,  Hilton Hefei, Anhui, Changzhou Jiayuan Chemical cordially invites you to visit our booth. We look forward to working with you to create a bright future for the fluorochemical and electronic materials industries! FAQQ1: What products is your company promoting at this exhibition? A: We will focus on showcasing two major production lines. In the organic fluorine sector, we will primarily promote products such as trifluorochloroethylene (CTFE) and octafluorocyclobutane (C318), and provide OEM manufacturing services for products such as F46. In the inorganic fluorine sector, we will offer high-quality products such as electronic-grade potassium fluoride, magnesium fluoride, and lithium fluoride, while also providing customized production line services for fluorine products to meet diverse needs. Q2: What are your company's core advantages? A: Our main strengths lie in our industry chain layout and professional services. The company has invested in fluorite mines in Myanmar and Inner Mongolia, forming a complete upstream and downstream industry chain based on fluorite, which helps ensure stable supply. We also have a professional sales and technical team, adhering to the principle of "customer first, integrity paramount," and providing a relatively sound after-sales service system. Q3: How can we contact you if we are interested in cooperation? A: We welcome you to visit our booth for face-to-face discussions during the exhibition from October 21st to 23rd, or contact our business manager, Mr. Yuan, directly at 13918169366 (WeChat ID is the same). Whether it's product consultation or OEM manufacturing cooperation, we will provide you with professional support.