"Flood prevention and waterproofing" Non-curing single-component water stop material Tometaro [NETIS]
[NETIS Registered Product] We appreciate your continued support for leak prevention and measures against water leakage in hand holes after installation, as well as in various penetrations and diverse gaps in structures.
TometaroⓇ is a non-curing, polyolefin-based water stop putty for leak prevention and repair. It adheres firmly to resin, rubber, metal, and concrete, making it a versatile water stop 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 water stop without yielding to high-pressure cables ■ Putty alone/water-tight performance of 0.05 MPa (with optional use, 0.15 MPa) ■ Can be used even during leaks (in flowing water) ■ Consideration for cable re-pulling, allowing for removal and re-filling ■ Unlike curing water stop materials, it has no curing shrinkage and can continuously stop water ■ A sense of security with a wealth of adoption results 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 via "Contact Us" or view the PDF data from "Download"
basic information
◆Prevention and measures against water leakage along laid cables ◆Water leakage treatment in handholes ◆Prevention and measures against water leakage from cable conduits 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 and similar enclosures ◆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 do not hesitate 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
Delivery Time
Model number/Brand name
Tometaro
Applications/Examples of results
*R2.6 Publication by the Ministry of Foreign Affairs: "Guidelines for Flood Prevention Measures for Electrical Equipment in Buildings" *R3.4 Publication by the Japan Sewage Works Agency: "Promotion of Waterproofing (Final Version)" The adoption of these measures in construction projects is rapidly increasing. Electrical equipment (handhole pipe openings, underground penetrations, around piping) Mechanical equipment (underground penetrations, around piping) civil engineering and architecture <Excerpt of 10 Flood Prevention and Waterproofing Construction Achievements for FY 2024> - Hokkaido, Ikanmachi: Waterproofing measures at Ikan Purification Center - Japan Waterworks Agency: Construction of Higashi B Wastewater Treatment Plant, Part 31 - Osaka Prefecture, Osaka City: Renovation and upgrade project for Ebi E Wastewater Treatment Plant - Tochigi Prefecture, Utsunomiya City: Water treatment equipment construction at Kawad D Water Reclamation Center - Gunma Prefecture, Toka City: Construction of Toka City 2nd Phase Iwasome and Minami Goko District Pump Station (1) - Mie Prefecture, Hokusei River Basin Sewerage Office: 2nd Phase Construction Project for Minami B Purification Center - Hyogo Prefecture, Tatsuno City: Waterproofing construction at Tatsuno City Matsubara Pretreatment Plant - Nara Prefecture, Kuzu City: Leak repair at Kuzu City Takeuchi Water Purification Plant - Tokyo Metropolitan Sewerage Bureau: Renovation of Mikawa J Water Reclamation Center - Fukushima Prefecture, Koriyama City: Installation of emergency power generation equipment at Lake N Purification Center Others *For general public works and renewable energy facility construction achievements, please refer to separate materials.
Detailed information
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Tometaro Filling Surface (Two-Layer Filling)
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Tometaro + Option Hatsureeru Surface (3-layer Filling)
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High Voltage CVT Cable Filling
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Filling of underground penetration CVT cable
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Communication cable filling
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Filling of the penetration section directly under the power supply cabinet
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Residential Building Underground Power Supply Entrance _ Filling
Related Videos
Line up(6)
Model number | overview |
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TM-B5 | Tometaro 5kg Cup |
TM-B1 | Tometaro 1kg Cup |
SU-1 | (Optional) Suutaro Backup Material 20×70×1,000L |
HT-1K | (Optional) Hatsureeru 1kg bag |
PK375 | (Optional) Pikari-Star 375ml (Tometaro Removal Agent) |
PK375H | (Optional) Pikari-Star Box 375ml × 6 bottles (Tometaro Removal Material) |
catalog(6)
Download All Catalogs



CAD data(12)
Model number | overview | File |
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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). |
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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). |
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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). |
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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). |
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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). |
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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). |
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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). |
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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). |
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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). |
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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). |
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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). |
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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). |
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News about this product(2)
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All-Purpose Removal Agent Pikarisuta - Release Start
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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The non-drying polyolefin-based one-component water stop agent Tome Taro® has been officially registered under "NETIS" in the KT jurisdiction.
Ministry of Land, Infrastructure, Transport and Tourism New Technology Information Provision System NETIS <Registration Number KT-250002-A>
Distributors
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.