A foam sealing material that retains the properties of EPDM rubber-based sealants while preventing metal corrosion. Ept is highly compressible and suitable for soundproofing as well.
**What is Eptsealer?** Eptsealer is a foam created through Nitto's unique foaming technology, featuring a semi-continuous and semi-independent foaming structure. In addition to sealing applications that leverage its foaming structure, it can be used for a wide range of purposes such as shock absorption and thermal insulation. We offer a rich lineup that can be differentiated based on applications, including flame retardant, soft, and high-foaming options. It is used in various fields such as automobiles, housing, and home appliances. Composed mainly of EPDM rubber, it possesses excellent properties among general-purpose rubbers, including heat resistance and chemical resistance (to acids and alkalis). **About the EH-2200 Series** The EH-2200 series is a standard sealing material of a semi-independent and semi-continuous type made from foamed EPDM rubber. It is a clean foam that does not contain sulfur, which is commonly used in rubber crosslinking and raises concerns about metal corrosion. By not using sulfur, it retains the properties of EPDM while reducing the risk of corrosion to metals (such as copper wires on electronic circuit boards). It can be used in high-sealing electronic devices that are becoming smaller, without corroding metals, for cushioning, soundproofing, and dustproofing applications. At Nitto Elmaterial, we respond to customer requests by utilizing a network of diverse processing companies to accommodate a wide range of processing needs.
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basic information
■Features - Excellent resistance to metal corrosion due to sulfur-free formulation. - Can be easily compressed due to low stress during compression, conforming well to the unevenness of the substrate. This effect provides excellent airtightness and soundproofing. - Superior durability, weather resistance, heat resistance, and chemical resistance. - Complies with UL94 HBF standards and has flame retardant (slow burning) properties. - The foam layer is UL-94HBF flame retardant certified. (Scope of application complies with the Yellow Card) ■Standard Size Thickness (mm): 3–20 (with adhesive 3–25) Width (mm): 900 Length: 2
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Applications/Examples of results
- Cushioning and soundproofing materials for flat-screen TVs - Sealant materials around ECUs - Sealing and cushioning materials for small machines such as drones - Soundproofing (deadening) for vehicles - Sealant materials around in-vehicle lamps - Sealant materials around connectors - Soundproofing materials around speakers - Sealant materials around lithium-ion batteries (LIB) - Grease dam - Corrosion resistance for high-brightness LED silver substrates (areas using silver plating on printed circuit boards) - Air conditioning sealant materials - Dustproofing for construction machinery cabins - Airtightness for semiconductor devices - Cushioning and soundproofing materials for lamps - Other sealant materials for electrical and electronic devices
Line up（2）
| Model number | overview |
|---|---|
| EH-2200 | Sheet only (no adhesive) |
| EH-2210 | Sheet + acrylic adhesive + release paper |
catalog（3）
Download All Catalogs![[Sample book distribution] Nitto Denko Foam EPDM Rubber Sealant 'Eptsealer'](https://image.mono.ipros.com/public/catalog/image/01/dba/554412/IPROS02543448199348859580.jpeg?w=120&h=170)
![Sulfur-free EPDM foam sealing material [Eptsealer] EH-2200 series product data sheet](https://image.mono.ipros.com/public/catalog/image/01/140/677559/IPROS37425646992426245725.jpeg?w=120&h=170)
Company information
Our company is responsible for the living environment business within the Nitto Group and also engages in important business activities that broadly relate to the socio-economy, such as MRO and infrastructure businesses. We offer a wide range of products from over 400 related manufacturers and functional processed products, and we possess the know-how to quickly respond by transforming "customer voices" into tangible solutions. "Company Overview" Company Name: Nitto L Materials Corporation Established: June 1, 1979 (formerly known as L Nissho Co., Ltd., renamed in 2015) Capital: 800 million yen (100% owned by Nitto Denko Corporation) Annual Sales: 12.2 billion yen (fiscal year 2023) Number of Employees: 100
