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  1. Home
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  3. Civil Engineering Materials
  4. Water and sewerage materials
  5. Piping materials (plastic pipes)
  6. Non-drying polyolefin-based one-component waterproofing putty "Tometaro" [NETIS registered]

Non-drying polyolefin-based one-component waterproofing putty "Tometaro" [NETIS registered]

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Tometaro

last updated:Aug 17, 2026

EPJ
EPJ
  • Special site
  • Official site

Waterproofing measures: Can be applied even in flowing water conditions (after leakage, during water flow)! Non-hardening waterproof putty, suitable for hand holes/cable and pipe penetrations for various types of leaks.

TometaroⓇ is a non-curing, polyolefin-based waterproofing putty for leak prevention and repair. It adheres firmly to resin, rubber, metal, and concrete, making it a versatile waterproofing material that can also be applied in flowing water conditions. It is suitable for leak prevention in electrical equipment handholes and cable/pipeline penetration areas. It is resistant to salt, acid, and alkali, and does not cure after opening, allowing for long-term storage within specified conditions. ◎ R2.6 Issued "Guidelines for Flood Prevention Measures for Electrical Equipment in Buildings" ◎ <Features> ■ Heat resistance up to 90°C, stable waterproofing without yielding to high-pressure cables ■ Putty alone/waterproof performance of 0.05MPa (with options, 0.15MPa) ■ Usable even during leaks (in flowing water) ■ Consideration for cable re-entry, allowing for removal and re-filling ■ Unlike curing waterproofing materials, it does not shrink upon curing, allowing for continuous waterproofing ■ A sense of security with a wealth of adoption records in both public and private sectors ■ Safe rodent prevention, blocking rodent intrusion ■ A wide range of options to accommodate various situations ■ "Japan Quality: NETIS Product" trusted quality ■ Ecology & Safety, friendly to people and the environment *For details, please request a catalog from "Contact Us" or view the PDF data from "Download"

    Piping and electrical wiring materialsReinforcement and repair materialsPiping materials (plastic pipes)
UFIELrIxpN4J6Dm1724571121_1724571162.png

Non-drying polyolefin-based one-component waterproofing putty "Tometaro" [NETIS registered]

UFIELrIxpN4J6Dm1724571121_1724571162.png
UFIELrIxpN4J6Dm1724571121_1724571162.png nvsYM5zdu9HMjJt1724573491_1724573505.png wVy90EYuVCtJRvl1724573514_1724573524.png A6V15hlQ0ehH89f1724573536_1724573548.png 3Ix7Ix6JwyJnRkN1724573556_1724573571.png 89jkhJPqjFPzOHF1724573579_1724573591.png VYknTXk6vgcqpSb1724573600_1724573614.png RYHRbzoSz56KSfU1724573627_1724573639.png y5JqFx58HI7yoM01724573651_1724573664.png JWQiXfvHcrds21E1724573895_1724573909.png
  • EPJ Web「TOMETARO PAGE」
  • Special site - Product/service details - https://pr.www.ipros.com/epj/product/

Inquire About This Product

  • Contact Us Online
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Download CAD data

Related Videos

basic information

◆Prevention and measures against water leakage along laid cables ◆Water leakage treatment in handholes ◆Prevention and measures against water leakage from cable conduit materials and gaps in wall joints ◆Prevention and measures against water leakage around sleeves ◆Prevention and measures against water leakage around ducts ◆Prevention and measures against water leakage from concrete cracks ◆Sealing and condensation prevention inside cubicles, etc. ◆Prevention of rodent intrusion and environmental pest control TometaroⓇ Channel [EPJ INC.] ● Tometaro filling construction video (Version 3) https://www.youtube.com/watch?v=S-U0qXw_u9o ● Concept and product PR video https://www.youtube.com/watch?v=QuMCVKnroHQ ~Usage instructions are available on YouTube; please be sure to check before filling work. If you have any questions regarding handling, please feel free to contact us at the information below~ Contact: EPJ INC. TEL: +81 3-5643-8137 FAX: +81 3-5643-8138 Email: info@epj-inc.co.jp

Price range

Please contact us for details

Delivery Time

P2

Applications/Examples of results

*R2.6 National Public Works Announcement: "Guidelines for Flood Prevention Measures for Electrical Equipment in Buildings" *R3.4 (Public Foundation) Japan Sewerage New Technology Organization: "Promotion of Waterproofing (Final Version)" Rapid increase in adoption for the same countermeasure construction. Electrical Equipment (Handhole pipe openings, underground penetrations, around piping) Mechanical Equipment (Underground penetrations, around piping) Civil Engineering & Architecture <Selected Delivery Records for Power Companies> - T Hokkaido Electric Power: O Kawahara Power Plant - Chubu Electric Power: H Okayama Power Plant - Tokyo Electric Power: Adachi Ward Water Leakage Measures - Chubu Electric Power: Chubu Electric Power PG Salt Power C Maintenance - JE A: Hekinan Power Plant - Tokyo Electric Power: Tokyo Electric Power North Substation Flood Prevention Measures - T Hokkaido Electric Power: T Hokkaido Electric Power Ishinomaki Substation Construction - National Research and Development Agency N Nuclear Power Research and Development Organization: T Flood Prevention Measures - Chugoku Electric Power: Chugoku Electric Power Network Co., Ltd. Substation Flood Prevention Measures - Tokyo Electric Power: Tokyo Electric Power Kawasaki Power Plant, etc. <Selected Delivery Records for IT Facilities> - Chiba Prefecture: New Construction of K Building - Hyogo Prefecture: N C Kobe System Center Building 4 Construction - Chiba Prefecture: ST C K O M Inzai Data Center Construction - Kanagawa Prefecture: HAK BA New Construction - Hokkaido: Rapi S Construction, etc. *For public works and energy facility construction records, please refer to separate materials.

Detailed information

  • 0bmesQ0cpAuEGl71724574836_1724574857.png

    To the sleeve. Filling with Tometaro for Eflex penetration (gap between the structure and the piping)~

  • gcPprEuKHa4RKzC1724574867_1724574889.png

    To the sleeve. E-flex penetration (gap between the structure and the piping) upper layer: finishing material filling.

  • XUlLUWJU3Q6XURN1724575011_1724575024.png

    To various buried pipelines (1)

  • 87JXbKnZW6gITzk1724575034_1724575045.png

    To various buried pipelines (2)

  • tzkLDvZd3m9XHTU1724574955_1724574974.png

    For various purposes (1)

  • 3qjXLxLSKwGFU8k1724575382_1724575399.png

    For various purposes (2)

  • CuX3zFvLsNi1jlI1724574918_1724574944.png

    For various purposes (3)

  • IYXpRe0ysRpbmb51724576835_1724576850.png

    For various purposes (4)

  • 2lCb5YLgVOmBrZq1724576805_1724576824.png

    For various purposes (5)

Line up(6)

Model number overview
TM-B5 Tome Taro 5kg Cup
TM-B1 Tome Taro 1kg Cup
SU-1 (Optional) Suutaro Backup Material 20×70×1,000L
HT-1K (Optional) Hatsu-reiru 1kg bag
PK375 (Optional) Pikaristar 375ml (Tome Taro Removal Agent)
PK375H (Optional) Pikaristar Box 375ml × 6 bottles (Tome Taro Removal Material)

catalog(7)

Download All Catalogs
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Tome Taro® Non-drying Polyolefin-based One-component Water Stop Putty (Non-curing Water Stop Material) Leak Prevention/Leak Repair - Flood Prevention and Waterproofing Project -

Tome Taro® Non-drying Polyolefin-based One-component Water Stop Putty (Non-curing Water Stop Material) Leak Prevention/Leak Repair - Flood Prevention and Waterproofing Project -

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Tometaro® Water Stop and Filling Material [Rodent Control / Flood Prevention & Waterproofing] Non-Hardening Type Cable/Through-Penetration Water Stop Material and Water Stop Putty

Tometaro® Water Stop and Filling Material [Rodent Control / Flood Prevention & Waterproofing] Non-Hardening Type Cable/Through-Penetration Water Stop Material and Water Stop Putty

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  • Catalog download

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Tome TaroⓇ ser. Premixed Mortar Hatsu Re-ru (Chipping Mortar)

Tome TaroⓇ ser. Premixed Mortar Hatsu Re-ru (Chipping Mortar)

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All-purpose release agent "Pikaristar" stripping agent and remover [Electricity and Communication Equipment Edition]

All-purpose release agent "Pikaristar" stripping agent and remover [Electricity and Communication Equipment Edition]

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[Underground beam sleeve/flood prevention/waterproofing] Waterproof sleeve for underground exterior walls "Pipe in Sleeve" A3 size spread

[Underground beam sleeve/flood prevention/waterproofing] Waterproof sleeve for underground exterior walls "Pipe in Sleeve" A3 size spread

PRODUCT
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  • Catalog download

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[Underground beam sleeve/flood prevention/waterproofing] Waterproof sleeve for underground exterior walls "Pipe in Sleeve" A4 size

[Underground beam sleeve/flood prevention/waterproofing] Waterproof sleeve for underground exterior walls "Pipe in Sleeve" A4 size

PRODUCT
  • E-book viewing
  • Catalog download

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CAD data(12)

Model number overview File
Drawing: Tome Taro Filling Cross Section (2 Layers) Bell Mouth Specification Non-drying polyolefin-based single-component water-stopping putty "Tome TaroⓇ" Furukawa Electric Co., Ltd. underground cable protection pipe "Eflex" This is a cross-sectional view of the two-layer filling at the handhole wall surface/cable penetration section (bell mouth).
  • 2D pdf ( 460KB)
Drawing: Tome Taro Filling Cross Section (2 Layers) Bell Mouth Specification Non-drying polyolefin-based single-component water-stopping putty "Tome TaroⓇ" Furukawa Electric Co., Ltd. underground cable protection pipe "Eflex" This is a cross-sectional view of the two-layer filling at the handhole wall surface/cable penetration section (bell mouth).
  • 2D jww ( 0B)
Drawing: Tome Taro Filling Cross Section (2 Layers) Bell Mouth Specification Non-drying polyolefin-based single-component water-stopping putty "Tome TaroⓇ" Furukawa Electric Co., Ltd. underground cable protection pipe "Eflex" This is a cross-sectional view of the two-layer filling at the handhole wall surface/cable penetration section (bell mouth).
  • 2D dxf ( 0B)
Drawing: Tome Taro Filling Cross Section (2 Layers) Aqua Connector® Specification Non-drying polyolefin-based single-component waterproofing putty "Tome Taro®" Furukawa Electric Co., Ltd. underground cable protection pipe "Eflex" This is a cross-sectional view of the two-layer filling at the handhole wall/cable penetration (Aqua Connector).
  • 2D pdf ( 454KB)
Drawing: Tome Taro Filling Cross Section (2 Layers) Aqua Connector® Specification Non-drying polyolefin-based single-component waterproofing putty "Tome Taro®" Furukawa Electric Co., Ltd. underground cable protection pipe "Eflex" This is a cross-sectional view of the two-layer filling at the handhole wall/cable penetration (Aqua Connector).
  • 2D jww ( 58KB)
Drawing: Tome Taro Filling Cross Section (2 Layers) Aqua Connector® Specification Non-drying polyolefin-based single-component waterproofing putty "Tome Taro®" Furukawa Electric Co., Ltd. underground cable protection pipe "Eflex" This is a cross-sectional view of the two-layer filling at the handhole wall/cable penetration (Aqua Connector).
  • 2D dxf ( 122KB)
Drawing: Tome Taro Filling Cross Section (3 Layers) Bell Mouth Specification Non-drying polyolefin-based one-component waterproofing putty "Tome Taro" + "Hatsureru" Furukawa Electric Co., Ltd. Underground cable protection pipe "Eflex" This is a cross-sectional view of the three-layer filling at the handhole wall/cable penetration section (bell mouth).
  • 2D pdf ( 493KB)
Drawing: Tome Taro Filling Cross Section (3 Layers) Bell Mouth Specification Non-drying polyolefin-based one-component waterproofing putty "Tome Taro" + "Hatsureru" Furukawa Electric Co., Ltd. Underground cable protection pipe "Eflex" This is a cross-sectional view of the three-layer filling at the handhole wall/cable penetration section (bell mouth).
  • 2D jww ( 72KB)
Drawing: Tome Taro Filling Cross Section (3 Layers) Bell Mouth Specification Non-drying polyolefin-based one-component waterproofing putty "Tome Taro" + "Hatsureru" Furukawa Electric Co., Ltd. Underground cable protection pipe "Eflex" This is a cross-sectional view of the three-layer filling at the handhole wall/cable penetration section (bell mouth).
  • 2D dxf ( 163KB)
Drawing: Tome Taro Filling Cross Section (3 Layers) Aqua Connector® Specification Non-drying polyolefin-based single-component water stop putty "Tome Taro" + "Hatsureru" Furukawa Electric Co., Ltd. Underground cable protection pipe "Eflex" This is a cross-sectional view of the three-layer filling at the handhole wall and cable penetration section (Aqua Connector).
  • 2D pdf ( 470KB)
Drawing: Tome Taro Filling Cross Section (3 Layers) Aqua Connector® Specification Non-drying polyolefin-based single-component water stop putty "Tome Taro" + "Hatsureru" Furukawa Electric Co., Ltd. Underground cable protection pipe "Eflex" This is a cross-sectional view of the three-layer filling at the handhole wall and cable penetration section (Aqua Connector).
  • 2D jww ( 66KB)
Drawing: Tome Taro Filling Cross Section (3 Layers) Aqua Connector® Specification Non-drying polyolefin-based single-component water stop putty "Tome Taro" + "Hatsureru" Furukawa Electric Co., Ltd. Underground cable protection pipe "Eflex" This is a cross-sectional view of the three-layer filling at the handhole wall and cable penetration section (Aqua Connector).
  • 2D dxf ( 143KB)

News about this product(3)

The non-drying polyolefin-based one-component water stop agent Tome Taro® has been officially registered under "NETIS" in the KT jurisdiction.

  • Product news

Ministry of Land, Infrastructure, Transport and Tourism New Technology Information Provision System NETIS <Registration Number KT-250002-A>

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All-Purpose Removal Agent Pikarisuta - Release Start

  • Product news

Pikaristar is a release agent developed to safely remove Tometaro, a non-drying polyolefin-based one-component water stop agent (non-curing water stop material) made entirely from "natural materials" that is safe for the environment and human health. When re-entering cables into a conduit where Tometaro has been applied, this spray-type liquid allows for the safe and quick removal/release of Tometaro. This product not only facilitates the removal of Tometaro but also enables the peeling and removal of dirt that inevitably occurs during cable connection work, as well as "stubborn residues" that have dissolved over time! Furthermore, it can be utilized not only for the aforementioned "industrial applications" but also for various "household applications." 【Features】 ■ An all-purpose release agent for "various applications" ■ Made from "natural materials," considerate of the environment and people

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We have started publishing CAD.

  • Other・notification

We are sequentially publishing various cross-sectional diagrams of Tome TaroⓇ filling, such as Pipe in Sleeve and EP-Sleeve. Please make use of them.

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EPJ

EPJ

Building materials, supplies and fixtures manufacturers

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A manufacturer specialized in planning, design, and engineering. We focus on product development to solve various issues at construction sites, providing innovative, cutting-edge, and ecological products. Please feel free to contact us.

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