Medical swabs are crucial components in diagnostic tests and are largely used in clinical settings for various other purposes, such as specimen collection, medicine application, equipment maintenance, and wound treatment. The surge in diagnostic and research requirements worldwide has accelerated the use of medical swabs.

从需求端看，下游应用多元，需求高速增长。从需求总量来看，近年来国内外碳纤维市场总需求持续增长，2020年，在民用航空受疫情影响遭遇重挫的背景下，全球总需求仍有2%的增量，总量高达106.9千吨。而国内碳纤维市场总需求增长更为强劲，2020年同比增长29%。据赛奥碳纤维技术预测，至2025年，国内碳纤维总需求将持续高速增长。从需求结构来看，碳纤维下游应用分散多元，包括风电叶片、体育休闲、航空航天等领域，其中风电叶片和体育休闲都占据了主要地位。

从企业产品结构的角度来看，各家企业的布局思路不同，一类是以大丝束碳纤维作为未来发展重点，一类是不断深耕小丝束，高性能。我们推荐关注国内最早突破干喷湿纺技术的中复神鹰，重点布局碳纤维大丝束原丝、大丝束原丝市占率第一的吉林碳谷，这两家企业在大、小丝束的明显优势，形成了类似全产业链龙头日本东丽的水平，我们愿称之为”中国东丽组合”。

Reverse osmosis eliminates contaminants from feed water or unfiltered water when pressure forces it through a semipermeable membrane. Water flows from the more concentrated side (more contaminants) of the RO membrane to the less concentrated side (fewer contaminants) to provide clean drinking water. RO and nanofiltration membranes are usually used as a filtration method to eliminate numerous types of dissolved solids (large molecules and ions) from solutions by smearing pressure to the solution when it is on one side of a selective membrane. RO membranes are generally positioned as crossflow filters, where the high velocity of the wastewater along the filter retains the flow turbulence, which helps control the thickness of the solids on the filter and decreases plugging of the filter.

The research study titled ‘Global Medical Grade Tubing Market’ is aimed at assessing the market potential of various applications in the overall medical grade tubing market. The research report constitutes an in-depth study of the global medical grade tubing market, including a thorough analysis of revenues generated by companies involved in the development of medical grade tubing.  Based on the product launches, approvals, and ongoing strategic collaborations, as well as business expansion, the market size and potential for the forecast period 2021-2030 have been estimated. The report focuses on the assessment of the market by product, material, application, end market, and region.

Personal protective equipment (PPE) includes various products like gloves, face masks, surgical gowns, and more. There is always a huge demand for PPE materials across the globe due to the developing healthcare infrastructure in developing countries and the increased requirement for safety measures in healthcare setups. In a few cases, the demand for PPEs is due to exceptional factors like disease outbreaks, pandemics, and epidemics. The world is exposed to multiple outbreaks and other disastrous infections. One such event occurred in 2019, which started as a simple respiratory infection, and later spread to more than 190 countries and killed millions of people across the globe. The COVID-19 pandemic is driving the demand for various PPE materials in healthcare settings. An important PPE material that is largely in demand during the pandemic, pre-pandemic, and post-pandemic, is medical face masks. This is one of the most essential materials used in various healthcare settings from hospitals, labs, research centers, ambulatory surgical centers, long-term care facilities, clinics, and more.

Nanofiltration (NF) is a membrane filtration-based process or liquid-separation technology that uses membranes with nanometer-sized pores to remove dissolved contaminants. NF membranes have pore sizes ranging from 1-10 nanometers, which is smaller than membranes used in microfiltration and ultrafiltration. However, the size of NF membranes is larger than RO membranes. NF membranes offer high rejection of multivalent ions (such as calcium) and low rejection of monovalent ions (such as chloride). The nanofiltration technology is used to recycle wastewater due to high flux rates and relatively lower energy consumption than RO technology. In addition, NF is often employed in the manufacturing process for pharmaceuticals, textiles, dairy products, and baked goods.

当前，PTA加工费处于历史低位，同时，原油价格受俄乌冲突影响短期难以回落，PTA价值被低估。因此，即使终端消费不畅，PTA价格也将易涨难跌。

Plastics have become an inseparable part of modern lifestyle since their formation. Plastics are used for packaging, building and construction, automotive, consumer goods, electronics, and medical devices. To make plastics usable and to increase their processability, plastic additives are required to modify polymer resin. This helps in enhancing several characteristics that manifold the value of plastic materials. Various types of additives such as flame retardants, heat stabilizers, lubricants, and slip additives, blowing agents, antistatic agents, antioxidants, and light stabilizers are used for the modification of polymer resins.

Silicone sealants are employed to seal objects/surfaces that may be exposed to extreme environments, weathering, temperature, or movement for a prolonged period. Sealants are effective solutions that are elastic, flexible, durable, and reliable. Hence, they can be put to application in harsh conditions, ranging from construction, space, electronics, automotive, medical, and packaging. Silicone sealants are composed of silicone as a primary ingredient. The other essential components that provide silicone sealant their inherent properties are polymers, plasticizers, active reinforcing fillers, passive non-reinforcing fillers, cross linkers, and special additives. Silicone sealants based on their specific application can be readily modified using biobased materials. Through the addition of specific additives and fillers, they can be imparted enhanced electrical/thermal conductivity, resistance to fluctuation temperatures, and optical clarity, among others.