Phenolic resins or phenol formaldehyde resins are synthetic polymers that are obtained by the polymerization of formaldehyde and phenol. These are generally characterized by resistance to acids, water, and organic solvents. These are used especially in molded and laminated products, adhesives, and coatings.

A composite cylinder is a pressure vessel constructed using advanced composite materials such as carbon fiber, glass fiber, or aramid fiber, usually reinforced with a resin matrix. Unlike traditional steel cylinders, composite cylinders are lighter in weight yet provide high strength and durability. They are designed to withstand extreme pressure while offering safety, efficiency, and ease of handling. Composite cylinders are widely used to store gases such as liquefied petroleum gas (LPG), compressed natural gas (CNG), hydrogen, oxygen, and other industrial or medical gases. They are increasingly replacing conventional steel cylinders in various industries ranging from energy and automotive to healthcare and aerospace due to their innovative design and material advantages.

工业行业：10月水泥玻璃价格环比改善－行业月报

The global plasticizers market refers to the market for chemicals that are used to increase the flexibility, durability, and performance of plastic and polymer materials. Plasticizers are added to these materials to enhance their elasticity, reduce their brittleness, and improve their workability. Plasticizers are widely used in various industries, including automotive, construction, consumer goods, and packaging. These enable the production of flexible and durable products such as PVC pipes, cables, films, and coatings. Plasticizers can also enhance the properties of materials used in medical devices, electronic components, and textiles.

Filtration is the removal of solid particles, majorly used in pharmaceuticals from a liquid, which can be either a liquid or a gas, using a porous medium for the process of filtration. Filtration can be easily applied to many medical needs, such as filtration, and this flexibility makes it widely used in the pharmaceutical industry.

CPVC is a specialized thermoplastic material used in the manufacture of pipes and fittings for plumbing and industrial applications. Chlorinated polyvinyl chloride (CPVC) pipes are known for their ability to withstand high temperatures, making them suitable for hot water distribution systems. The material exhibits excellent corrosion resistance, which ensures durability and longevity in various environments. CPVC fittings, designed to complement the pipes, allow for seamless connections and are available in a wide range of configurations to meet specific installation requirements.

Packaging resins are plastic materials used in the production of packaging solutions, offering durability, flexibility, and protection for various products. Common types include polyethylene (PE), polypropylene (PP), and polyethylene terephthalate (PET), which are widely used in industries such as food and beverages, healthcare, and consumer goods. These resins provide moisture resistance, strength, and lightweight properties, making them essential for both rigid and flexible packaging applications.

A K-12 makerspace is a place in K-12 schools that allow students to create, tinker, invent, discover, and explore new ideas using a varied range of materials. These materials are referred to as K-12 makerspace materials. Some of these materials are 3D printers, computers, cameras, electronic tools, building materials, and art and craft supplies.

2025年1-7月，化学原料与制品行业分别实现营收和利润5.2万亿和2134亿，同比增长1%和下滑8%。行业利润率4.1%降至历史低位。油价下行，内需不振，化工CCPI价格指数持续下行至3969点，年初至今下跌8.4%、同比 降9.2%。PPI持续下行，8月PPI为-4.7%，其中化学原料和制品为-5.7%，化纤为-9.3%，橡胶塑料为-2.6%。

A membrane is a type of selective barrier used to remove or separate a feed stream as it passes through. Membranes are generally used for gas separation. Gas separation membranes are used to separate and purify specific components from other gases or vapor mixtures. The gas separation membrane technology is widely used in gas processing applications in different industries, such as petrochemical, chemical, and manufacturing.