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Sodium Bicarbonate in Biscuits and Cookies: How It Affects pH, Color, Spread and Texture

Introduction In biscuit and cookie manufacturing, sodium bicarbonate is often described simply as a leavening agent. That description is correct—but incomplete. Because biscuits and cookies typically contain relatively low moisture compared with cakes or liquid batters, sodium bicarbonate can influence several characteristics at the same time: CO₂ generation; dough pH; browning; spread; surface appearance; flavor; texture; and processing consistency. This is why industrial biscuit manufacturers should not evaluate sodium bicarbonate only according to: “How much rise does it create?” In many biscuit formulations, its effect on pH and finished-product appearance can be just as important as its contribution to gas

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September 11, 2026
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Baking Soda vs. Baking Powder: What Food Manufacturers Should Know

Introduction “Baking soda” and “baking powder” are often discussed as if they were two similar versions of the same ingredient. For industrial food manufacturers, however, the distinction matters. Baking soda is sodium bicarbonate itself. Baking powder is a formulated leavening system that contains sodium bicarbonate together with one or more acid components and, typically, other ingredients needed to control stability and reaction behavior. Understanding this difference is important because chemical leavening affects much more than product volume. It can also influence: dough or batter pH; gas-generation timing; color development; texture; flavor; processing stability; and production consistency. Codex identifies sodium hydrogen

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September 11, 2026
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What Are Mobile Ions and Why Do They Matter in Electronic Materials?

Introdution Electronic materials are often evaluated according to properties such as thermal resistance, dielectric performance, mechanical strength and moisture resistance. But another factor can have a major influence on long-term reliability: mobile ionic impurities. Trace ions such as chloride (Cl⁻), sodium (Na⁺), potassium (K⁺) and other ionic species may originate from resins, fillers, additives, synthesis residues, processing equipment or environmental contamination. Their concentration may be extremely low. However, when moisture, elevated temperature and electrical bias are present, some of these ions can become mobile and migrate through polymeric materials or along interfaces. Research on microelectronic encapsulants has shown that epoxy

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August 25, 2026
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Why Hard Carbon Matters as Sodium-Ion Batteries Move Toward Mass Production

Introduction For years, sodium-ion batteries were discussed mainly as a promising alternative to lithium-ion technology. In 2026, that conversation is changing. The industry is increasingly moving from laboratory development toward commercial production and GWh-scale deployment. CATL announced in April that its Naxtra sodium-ion battery had reached GWh-scale industrialization and is scheduled for full-scale mass production by the end of 2026. The company specifically identified hard-carbon gas generation as one of the manufacturing challenges it had to address during scale-up. In energy storage, commercialization is moving even faster. CATL announced in June that sodium-ion production lines for energy storage were commissioned

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August 25, 2026
Company News

Beyond Infrared Blocking and Ionic Adsorbents: Shanghai Langyi’s Functional Materials Portfolio

Introduction When global manufacturers search for a functional additives supplier in China, the requirement is rarely limited to one individual product. Modern polymer, coating, film, photovoltaic, battery, semiconductor and fiber applications often require multiple properties to be improved simultaneously—from hydrolysis resistance and weatherability to crosslinking, antimicrobial performance, dispersion and long-term material stability. Founded in 2010, Shanghai Langyi Functional Materials Co., Ltd. focuses on specialty functional additive solutions and provides functional differentiation services across multiple industrial value chains. The company integrates R&D, manufacturing and sales, supported by operations in Shanghai and Shandong. While international customers may already know LANGYI for technologies

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August 19, 2026
Product Knowledge

PET Base Film for PCB Dry Film Photoresist: What It Does and How to Select It

Introduction When engineers discuss dry film photoresist for printed circuit board manufacturing, attention usually goes first to the photosensitive resin. However, another material plays a critical supporting role throughout coating, handling and exposure: the PET base film. In dry film resist systems, a photosensitive resin layer is laminated onto a light-transmitting polyester base film, while a polyethylene cover film is typically used on the opposite side for protection. During PCB processing, the cover film is removed, the photosensitive layer is laminated onto the circuit-board substrate, and UV exposure is carried out through the PET base film before the carrier is

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August 18, 2026
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Food-Grade Sodium Bicarbonate in Food Processing: Functions, Grades and Selection Guide

Introduction Food manufacturers often think of sodium bicarbonate simply as baking soda. In industrial food processing, however, its role can be much broader. Food-grade sodium bicarbonate can function as a leavening ingredient, acidity regulator, processing aid and formulation component in bakery products, beverages and other food-processing systems. LANGYI’s current food-grade sodium bicarbonate portfolio includes Standard Food Grade, Low-Salt Grade and Fine-Powder Grade, designed for different processing requirements involving general food production, chloride control, dissolution and dispersion. For manufacturers, choosing the right grade is therefore not only a question of chemical purity. Particle size, chloride specification, dissolution behavior, moisture control and

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August 12, 2026
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Hong Kong Langyi & Shanghai Langyi: Connecting Global Markets with China’s Functional Materials Manufacturing Strength

Introduction As global manufacturing continues to upgrade, overseas customers sourcing functional materials and specialty chemicals from China are looking for more than competitive pricing. For industries such as automotive, semiconductor packaging, functional films, photovoltaics, high-performance resins, new energy, and other advanced manufacturing sectors, a reliable long-term materials partner must also provide: Stable manufacturing capabilities Continuous investment in R&D Strong understanding of customer applications Reliable quality control Technical service and formulation support International business and supply-chain capabilities Hong Kong Langyi Technology Co., Limited was established to serve this international role. Hong Kong Langyi is a wholly owned subsidiary of Shanghai Langyi

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August 12, 2026
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Ion Trapping Agents for Semiconductor Packaging: Controlling Ionic Impurities in Epoxy Encapsulants

Introduction As semiconductor packages become smaller, denser, and more highly integrated, material purity becomes increasingly important to long-term device reliability. Epoxy molding compounds (EMCs), liquid encapsulants, underfills, adhesives, and other polymeric packaging materials protect semiconductor devices from mechanical stress and environmental exposure. However, these materials can also contain trace ionic impurities originating from raw materials, synthesis residues, additives, fillers, processing steps, or external contamination. Among these impurities, mobile ions such as chloride (Cl⁻), sodium (Na⁺), potassium (K⁺), and other ionic species can become problematic when moisture, electrical bias, and elevated temperature are present. Research on microelectronic encapsulants has shown that

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August 7, 2026
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How to Reduce Heat in PET Film

Introduction Polyethylene terephthalate (PET) film is widely used in automotive window films, architectural films, optical films, protective laminates, and other functional film applications because of its excellent mechanical strength, dimensional stability, transparency, and processability. However, when PET film is used in applications exposed to sunlight—particularly automotive glazing—controlling solar heat becomes an important technical challenge. A transparent film must allow sufficient visible light to pass through while reducing the amount of solar energy entering the vehicle or building. Simply making the film darker is not always an effective solution because visible-light absorption and infrared heat management are two different issues. One

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August 5, 2026
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Ionic Adsorbents for High-Reliability Electronic Encapsulation

Ionic Adsorbents for High-Reliability Electronic Encapsulation Controlling Ionic Impurities in Sensitive Electronic Materials Modern electronic devices depend on increasingly compact circuits, finer conductive pathways and high-performance encapsulation materials. As electronic components become smaller and more complex, even trace levels of ionic impurities can create long-term reliability risks. Ions such as sodium, chloride and bromide may originate from raw materials, catalysts, fillers, processing aids or environmental contamination. Under heat, humidity and electrical bias, these mobile ions can migrate through a resin or adhesive system and contribute to corrosion, insulation deterioration and electrical failure. Ionic adsorbents are designed to selectively capture undesirable

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July 31, 2026
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Selective Solar Management for Architectural Window Films

Application of Infrared-Blocking Agents for Optical Clarity, Thermal Control, and Long-Term Durability Abstract Architectural window films are designed to reduce solar heat gain while maintaining natural daylight, visual transparency, and indoor comfort. In practical formulation and coating development, however, improving infrared-blocking performance may also lead to reduced visible light transmittance, increased haze, color deviation, coating temperature rise, dispersion instability, and reduced outdoor durability. The application of an infrared-blocking agent should therefore not be evaluated solely by the infrared rejection measured at a single wavelength. Product development should consider the complete solar spectrum, nanoparticle dispersion, resin compatibility, coating thickness, glazing configuration,

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July 23, 2026