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    AI Overview
    High Quality Japan and Chinese Brand Absorbent Sap for Baby ...
    High-quality Super Absorbent Polymers (SAP) from Japan are renowned for superior water absorption, retention under pressure, and safety in hygiene products (diapers, pads). Key Japanese manufacturers dominate the global market, with Sumitomo Seika (AQUA KEEP) and Nippon Shokubai being top providers. Other notable players include SDP Global (Sanyo Chemical) and innovative, sustainable options from Nagase. 
    Key Top-Tier Japanese SAP Manufacturers: 
    • Sumitomo Seika Chemicals (AQUA KEEP): Produces SAP that can absorb up to 1,000 times its weight in water, widely used in premium disposable diapers and industrial applications (water-blocking tape). Known for developing high-retention polymers.
    • Nippon Shokubai Co., Ltd.: Boasts a top-level global market share, with roughly 25% of the world's disposable diapers using their SAP. They have a global production system, including bases in Japan.
    • SDP Global Co., Ltd. (Sanyo Chemical Group): A specialist manufacturer (a joint venture with Toyota Tsusho).
    • Nagase & Co., Ltd.: Offers bio-based, biodegradable SAP designed for sustainability and high performance in feminine care and adult incontinence products. 
    Key Characteristics of Japanese SAP: 
    • High Performance: Excellent absorption speed and water retention even under pressure.
    • High Safety Standards: Non-toxic and non-stimulating to the skin.
    • Innovations: Development of recycling technology for used SAP and high-biomass, eco-friendly materials. 
    Primary Applications: 
    • Disposable diapers (baby and adult)
    • Sanitary napkins/fem care products
    • Industrial materials (water-swelling rubber and cable tape) 
    • Super Absorbent Polymers | Product Information | SUMITOMO ...
      AQUA KEEP, super absorbent polymer, is a product researched and developed by our company for many years. This resin that absorbs u...
      住友精化株式会社
    • Super Absorbent Polymer (SAP) Sheet For Adult Diaper
      Sumitomo SAP refers to the high-quality super-absorbent polymer manufactured by Sumitomo Seika, known for its excellent absorption...
      Favourite Fab
    • SDP Global Boosts Production Capacity of Superabsorbent ...
      Oct 30, 2013 — SDP Global Co., Ltd. (head office: Chuo-ku, Tokyo; president: Shigeaki Takeda; “SDP”), a consolidated subsidiary of Sanyo Chemical...
      三洋化成工業株式会社
    • Bio-based super absorbent polymer with high biomass content ...
      Feb 1, 2023 — The NAGASE Group focused on significantly changing absorption properties through enzymatic conversion of the structure of starch. ...
      NAGASE Group
    • Superabsorbent Polymers | Products | NIPPON SHOKUBAI
      Global Top Share. Nippon Shokubai's SAP boasts a top level of share in global markets. About one quarter of the disposable diapers...
      日本触媒
    • High Biomass Super Absorbent Polymer (Biomass SAP)
      Absorbent Polymer. (Biomass SAP) ... Our Biomass SAP is a biodegradable polymer made from renewable bio-based materials, designed ...
      NAGASE Group
    • Sumitomo Seika Chemicals The world's first horizontal ...
      The world's first horizontal chemical recycling technology for super absorbent polymers used for disposable diapers. Sumitomo Seik...
      住友グループ広報委員会
    • Japanese Sumitomo Super Absorbent Ploymer Sap for Baby Diaper
      It can absorb water up to several hundred times of its own weight, and become a natural gel within seconds. Even under the conditi...
      Made-in-China.com
    • Super Absorbent Polymer for Diapers
      Summary. Absorbent polymers (SAP) consist of a network of hydrophilic polymer chains. Their primary characteristics are their abil...
      ホソカワミクロン株式会社
    • Super Absorbent Polymers | Product Information | SUMITOMO ...
      AQUA KEEP, super absorbent polymer, is a product researched and developed by our company for many years. This resin that absorbs u...
      住友精化株式会社
    • Super Absorbent Polymer (SAP) Sheet For Adult Diaper
      Sumitomo SAP refers to the high-quality super-absorbent polymer manufactured by Sumitomo Seika, known for its excellent absorption...
      Favourite Fab
    • SDP Global Boosts Production Capacity of Superabsorbent ...
      Oct 30, 2013 — SDP Global Co., Ltd. (head office: Chuo-ku, Tokyo; president: Shigeaki Takeda; “SDP”), a consolidated subsidiary of Sanyo Chemical...
      三洋化成工業株式会社
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    High Quality SAP From Japan,high ...


    Quanzhou NISO Industry Co., Ltd.
    https://www.qzniso.com › high-quality-sap-from-japan...
    Quanzhou NISO Industry Co., Ltd.
    https://www.qzniso.com › high-quality-sap-from-japan...
    Custom high quality SAP from Japan,we are best high quality SAP from Japan manufacturers,wholesalers from China. Big selection for diaper raw material and ...

    Super Absorbent Polymers | Product Information


    住友精化株式会社
    https://www.sumitomoseika.co.jp › product › kyusui
    住友精化株式会社
    https://www.sumitomoseika.co.jp › product › kyusui
    Our company's products are produced in Japan, Singapore, France, and South Korea, and are used in countries around the world. Super Absorbent Polymers. Hygiene ...Read more

    Sumitomo Seika Chemicals The world's first horizontal ...


    住友グループ広報委員会
    https://www.sumitomo.gr.jp › english › act › vision › s...
    住友グループ広報委員会
    https://www.sumitomo.gr.jp › english › act › vision › s...
    Sumitomo Seika is a chemical company whose principal business is super absorbent polymers (SAP) used to produce disposable diapers. While Japan's disposable ...Read more

    Superabsorbent Polymers | Products | NIPPON SHOKUBAI


    日本触媒
    https://www.shokubai.co.jp › ... › Products
    日本触媒
    https://www.shokubai.co.jp › ... › Products
    Nippon Shokubai's SAP boasts a top level of share in global markets. About ... Nippon Shokubai produces SAP at five bases around the world. (Japan, China, ...Read more
    Missing: quality ‎| Show results with: quality

    Super Absorbent Polymer for Diapers


    ホソカワミクロン株式会社
    https://www.hosokawamicron.co.jp › industries › detail
    ホソカワミクロン株式会社
    https://www.hosokawamicron.co.jp › industries › detail
    90% of the SAP production is used for diapers and sanitary products. In the West and in Japan, SAP has been already indispensable for diapers and sanitary ...Read more

    SAP Made In Japan


    Quanzhou NISO Industry Co., Ltd.
    https://www.qzniso.com › sap-made-in-japan_p94
    Quanzhou NISO Industry Co., Ltd.
    https://www.qzniso.com › sap-made-in-japan_p94
    High quality SAP is used to improve capacity for better retention in a disposable adult diaper. Japam made SAP is applied to adult diaper raw materials.Read more
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    What is sumitomo SAP?
    Sodium Polyacrylate-based Super Absorbent Polymer. Water absorbent materials for hygiene products (Disposable diapers, Baby diapers, Sanitary napkins, Incontinent pad)

    Super Absorbent Polymers | Product Information | SUMITOMO ...


    住友精化株式会社
    https://www.sumitomoseika.co.jp › product › kyusui
    住友精化株式会社
    https://www.sumitomoseika.co.jp › product › kyusui
    Does Japan have high quality products?
    The high quality of Japanese products has been well known, as I said. Today, even in the U.S., many people admit not only that the quality of Japanese products is high, but among the best in the world.

    Japanese dedication to providing high quality products.


    minami-alpskankou.jp
    https://minami-alpskankou.jp › eng › providing-high-qu...
    minami-alpskankou.jp
    https://minami-alpskankou.jp › eng › providing-high-qu...
    What is Sumitomo SAP in diapers?
    Sumitomo SAP refers to the high-quality super-absorbent polymer manufactured by Sumitomo Seika, known for its excellent absorption and retention performance in premium diapers. The diaper topsheet is usually made from soft non-woven polypropylene fabric, which provides a gentle and dry feel against the baby's skin.

    Super Absorbent Polymer (SAP) Sheet For Adult Diaper


    Favourite Fab
    https://favouritehub.com › product › super-absorbent-po...
    Favourite Fab
    https://favouritehub.com › product › super-absorbent-po...
    What products are best made in Japan?
    94 Best Made-in-Japan Products to Buy Now
    • Natural Cotton Japanese Futon Mattress. ...
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    • Women's Samue Loungewear. ...
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    Dec 13, 2025

    94 Best Made in Japan Products to Buy Now


    Japan Objects
    https://japanobjects.com › features › made-in-japan
    Japan Objects
    https://japanobjects.com › features › made-in-japan

    Web results

    Super Absorbent Polymer | Biodegradable SAP for Agriculture ...


    SOCO Polymer
    https://www.socopolymer.com
    SOCO Polymer
    https://www.socopolymer.com
    High-performance biodegradable super absorbent polymer (SAP) for agriculture, horticulture, industrial use, and cold-chain logistics.

    SDP Global Boosts Production Capacity of Superabsorbent ...


    三洋化成工業株式会社
    https://www.sanyo-chemical.co.jp › eng › 2013/10
    三洋化成工業株式会社
    https://www.sanyo-chemical.co.jp › eng › 2013/10
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    Oct 30, 2013 — SDP is a specialist SAP manufacturer founded in September 2013 as a joint venture between Sanyo. Chemical Industries (70% stake) and Toyota ...Read more
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    Fujian bbc inc
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    Factory Made SAP Crystal Powder High Quality Super Absorbent Polymer for Hygiene Products Production. High polymer water absorption resin, water absorption ...Read more

    Sumitomo Seika Chemicals Completes Pilot Plant for ...


    ChemAnalyst
    https://www.chemanalyst.com › NewsDetails › sumitomo...
    ChemAnalyst
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    May 21, 2025 — Sumitomo Seika Chemicals Co., Ltd. has announced the completion of a dedicated pilot plant for the development and testing of super absorbent polymers (SAPs)Read more
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