String Wound Filter Materials Market

The market for String wound filter materials is approximated to be USD 1.4 billion in 2022, and it is projected to reach 1.8 billion by 2027 at a CAGR of 4.5%. String-wound filters, also known as depth filters. String wound filters use two layers of filtration to keep out unwanted particles. The first layer captures particles the same size or larger than the micron rating, while the inner layer captures smaller particles that pass through the first layer. This improved filtration comes at the expense of surface area, which means that depth filters must be cleaned/changed more frequently. The string wound filter uses fibres to remove rust, dirt, and other sediments from water. String materials include polypropylene, glass fiber, cotton, and others. It is wrapped around a centre core made of stainless steel or polypropylene. Due to its high dirt holding capacity and rugged construction, string wound filters are very popular in various end use industrie like water & wastewater treatment, chemical & petrochemicals and food & beverages

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String wound filter materials Market Dynamics

Driver: Increasing demand from end-use industries and government initiatives for stringent water treatment norms.

String wound filter cartridges are roll shaped and have high dirt holding capacity. String wound filters provide higher microorganism resistance, provide consistent performance, and are thus highly preferred by water & wastewater treatment industries. Owing to these properties and benefits of string wound filters over other filters, the demand of string wound filters is increasing in several end-use industries such as water & wastewater treatment and food & beverages. Governments all over the world are implementing policies to replace the inadequate water resources with alternative water supply interventions such as the reuse of wastewater. Reuse of treated wastewater has emerged as an economical and environmentally sustainable alternative. In regions such as Australia, California, US, etc. certain amount of wastewater reuse is mandatory as per the law.

Restraint: Problems related to media migration and chemical leaching affecting usability of string wound filters

Despite being low cost and the advantages that they offer, string wound filter cartridges also have specific operational difficulties such as media migration and chemical leaching which hampers their performance. String wound filters contain approximately 1% (weight basis) chemicals including resin binders, lubricants, antistatic, and release agents, which start leaching out when they are put into operation. They mix with the filtrate and reduce the efficiency of the filtration process.

Opportunities: Large-scale and growing demand for glass fiber string wound filters from chemical & petrochemical industry

The chemical & petrochemical industry is the largest consumer of string wound filters using glass fiber filters due to their compatibility with various chemicals and petrochemicals. Glass fiber string wound filters are relatively expensive and are preferred only for specific applications such as for high temperatures above 140 0C. The growing demand for chemicals and petrochemicals is encouraging manufacturers to set up new facilities or expand their existing facilities. This expansion of chemical and petrochemical industries may create opportunity for string wound filter materials.

Challenges: Availability of alternative filter media

String wound filters are a type of cartridge filter preferred for their high dirt-holding capacities and economical construction. However, there are different types of cartridge filters and other filtration technologies that compete with string wound filters. These include pleated filters, membrane filters, and melt blown filters. For instance, pleated filters are ideal for filtering fluids where particle sizes are less than 1µm. With technological advancements, these filters are expected to exhibit enhanced performance, which may result in increased competitiveness between the different filter media.

Ecosystem Diagram

By End Use Industry, food & beverage industry accounted for the highest CAGR during the forecast period

Demand for string wound filter materials market to be driven by increasing investment in food & beverage industry across the world especially in asia pacific region. Water & wastewater treatment, chemical & pertrochemical and food and beverage industries are the major end user of string wound filters. String wound filters are widely used in filtration of food ingredients and fluids in food & beverage industry. Food & beverage industry uses string wound filters made with FDA approved materials in their filtration process.

By Yarn Type, Polypropylene yarn accounted for the highest CAGR during the forecast period

Polypropylene yarn accounted for the highest CAGR during forecast period and also holds largest share in string wound filter materials yarn type and is followed by cotton yarn. The gowing demand from water & wastewater treatment industry especially in the coastal region for desalination process is helping the growth of polypropelene yarn type string wound filters.

By Core Material, Polypropylene accounted for the highest CAGR during the forecast period

Polypropylene core material accounted for the highest CAGR in the string wound filters during the forecast period. Polypropylene construction of central core offers excellent filtration and good thermal stability. Central core of string wound filters are designed and made with polypropylene for high strength and high flow rates applications where stainless steel or any ather core materials cannot be used.

Asia Pacific is projected to account for the highest CAGR in the string wound filter materials market during the forecast period

The major string wound filter materials markets in Asia Pacific are China,Indai, Japan and South Korea. The water & wastewater treatment industry is the largest consumer of string wound filters in the region. The degradation of ecological environment due to its rapid social and economic growth and water pollution are the major challenges faced by the high growth countries like China and India. Due to this Asia Pacific has the largest and growing wastewater treatment market globally. India in Asia Pacific region accounted for highest CAGR in the string wound filter materials market, followed by China, South Korea and Japan, during the forecast period.

Key Market Players

String wound filter materials market comprises key manufacturers such as Schweitzer-Mauduit International, Inc. (SWM) (US), Coats Group Plc (UK), William Barnet and Son, LLC (US), Micronics Engineered Filtration Group, Inc. (US), MMP Filtration Pvt. Ltd. (India), East Asia Textile Technology Ltd. (China), STRADOM S.A (Poland) and United Filters International (US). Expansions, acquisitions, joint ventures, and new product developments are some of the major strategies adopted by these key players to enhance their positions in the String wound filter materials market.

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Scope of the Report

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This research report categorizes the global string wound filter materials market on the basis of Yarn Type, Core Material, End-Use, and Region.

String Wound Filter Materials Market, By Yarn Type

• Polypropylene Yarn
• Cotton Yarn
• Others

String Wound Filter Materials Market, By Core Material

• Polypropylene
• Stainless Steel
• Others

String Wound Filter Materials Market Market, By End Use

• Water & wastewater treatment
• chemical & petrochemicals
• Food & beverages
• Others

String Wound Filter Materials Market, By Region

• North America
• Europe
• Asia Pacific (APAC)
• Rest of the World (ROW)

The market has been further analyzed for the key countries in each of these regions.

Recent Developments

• In February 2022, Micronics Engineered Filtration Group, has acquired National Filter Media (NFM) and FilterFab. The acquisition of National Filter Media significantly expands Micronics’ portfolio of engineered filtration solutions.

• November 2021, Nitto Boseki Co., Ltd. starts operation of the new special glass factory in Taiwan with floor area approximately 20,000?. The main product produced at this plant is NE-glass yarn.

• In May 2021, Hyosung signed an MOU with the Busan Metropolitan Government and Netspa to recycle transparent PET bottles and produce the nylon fiber Mipan Regen Ocean from waste fishing nets.

• In April 2021, Schweitzer-Mauduit International, Inc. acquired Scapa Group Ltd, a UK-based innovation, design, and manufacturing solutions provider.

• In August 2020, Coats, the world’s leading industrial thread company, is partnering with HeiQ, a Swiss technology company, to incorporate HeiQ Viroblock technology into its engineered yarns.

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