---
product_id: 49909820
title: "Otto Seal S 100, Sanitary Silicone, White, 300 ml"
brand: "ottoseal"
price: "¥6351"
currency: JPY
in_stock: true
reviews_count: 8
category: "Ottoseal"
url: https://www.desertcart.jp/products/49909820-otto-seal-s-100-sanitary-silicone-white-300-ml
store_origin: JP
region: Japan
---

# Available in 84 colors including 10 matte trends 310 ml waterproof sealant 50% movement absorption for crack resistance Otto Seal S 100, Sanitary Silicone, White, 300 ml

**Brand:** ottoseal
**Price:** ¥6351
**Availability:** ✅ In Stock

## Summary

> 🛠️ Seal smart, live stylish – the silicone that works as hard as you do!

## Quick Answers

- **What is this?** Otto Seal S 100, Sanitary Silicone, White, 300 ml by ottoseal
- **How much does it cost?** ¥6351 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/49909820-otto-seal-s-100-sanitary-silicone-white-300-ml)

## Best For

- ottoseal enthusiasts

## Why This Product

- Trusted ottoseal brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Universal Adhesion:** Bonds seamlessly to tiles, aluminium, and painted wood without primer
- • **Trend-Ready Palette:** Choose from 84 vibrant colors to perfectly match your modern living spaces
- • **Effortless Application:** Short thread pull design ensures clean, quick, and smooth sealing every time
- • **Long-lasting Protection:** Fungicidal & bacteriostatic formula keeps joints pristine indoors & outdoors
- • **Premium Low-Emission Quality:** EMICODE EC 1 Plus certified for ultra-low emissions and safe indoor use

## Overview

Otto Seal S 100 is a premium 310 ml sanitary silicone sealant designed for durable, waterproof joints in kitchens, bathrooms, and living areas. Featuring 50% movement absorption and EMICODE EC 1 Plus low emissions, it offers superior crack resistance and safe indoor use. Its fungicidal and bacteriostatic properties prevent mold and bacteria growth, while the easy-to-use short thread pull design ensures clean application. Available in 84 colors, including trendy mattes, it adheres universally to tiles, aluminium, and painted wood without primer, making it the go-to sealant for professional-quality, long-lasting finishes.

## Description

Shop Otto Seal S 100, Sanitary Silicone, White, 300 ml. Free delivery on eligible orders of £20 or more.

Review: It's thicker and doesn't flow like most silicon sealants but does the job well. Very good. - Thinker than most silicon sealants. High with and brightness. I used it because the marble worktop fitter used and recommended. It's not cheap but it is good.
Review: A great sealer but expensive - The sealer works very well indeed, I used it first on a Twusch fitting to my Thetford Toilet, but I will continue to use it elsewhere, but it is expensive compared to the ordinary sealer from a local hardware store. Is it worth it? I'm not sure, but it is very easy to use and, hopefully, will last a long time.

## Features

- Contains 2-Octyl-2H-isothiazol-3-on. May produce an allergic reaction.
- Safety data sheet available on request.
- Safe against mould and bacteria: 1K acetate based silicone sealant for long-lasting joints around the home, indoors and outdoors. Perfect for bathroom, kitchen and living area thanks to fungicidal and bacteriostatic properties
- Easy to use: a short thread pull allows clean work and quick processing without pressing down. In addition, our silicone is excellent smoothing and modelling
- Premium quality: the silicone is classified as very low emission according to EMICODE EC 1 Plus. Thanks to high movement absorption (50%), it protects against cracks. It is also weatherproof, UV and ageing resistant for lasting results
- Wide variety of colours: our silicone is available in 84 colours for all trends, including 10 matte trend colours
- Universal use: the silicone adheres without primer to tiles, aluminium and painted wood. Ideal for expansion and connection joints in sanitary and living areas

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B009B6HL0Q |
| Batteries Required? | No |
| Batteries included? | No |
| Best Sellers Rank | 246,835 in DIY & Tools ( See Top 100 in DIY & Tools ) 113 in Silicone Caulk |
| Colour | White |
| Customer Reviews | 4.8 4.8 out of 5 stars (560) |
| Date First Available | 16 Oct. 2013 |
| Item Package Quantity | 1 |
| Item Weight | 358 g |
| Item model number | K11030-001 |
| Manufacturer | UNKWN |
| Material | Silicone |
| Package Dimensions | 32.6 x 8 x 5.9 cm; 358.34 g |
| Part Number | 221790 |
| Size | 300 ml |
| Special Features | Waterproof |
| Volume | 310 Millilitres |

## Product Details

- **Brand:** OTTOSEAL
- **Colour:** White
- **Full cure time:** 24 Hours
- **Item weight:** 0.79 Pounds
- **Liquid volume:** 300 Millilitres

## Images

![Otto Seal S 100, Sanitary Silicone, White, 300 ml - Image 1](https://m.media-amazon.com/images/I/61f2zvJ2AUL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ It's thicker and doesn't flow like most silicon sealants but does the job well. Very good.
*by R***N on 28 February 2026*

Thinker than most silicon sealants. High with and brightness. I used it because the marble worktop fitter used and recommended. It's not cheap but it is good.

### ⭐⭐⭐⭐ A great sealer but expensive
*by P***R on 15 March 2025*

The sealer works very well indeed, I used it first on a Twusch fitting to my Thetford Toilet, but I will continue to use it elsewhere, but it is expensive compared to the ordinary sealer from a local hardware store. Is it worth it? I'm not sure, but it is very easy to use and, hopefully, will last a long time.

### ⭐ Avoid this mess
*by V***D on 30 June 2025*

Unless you have 10 years of hands-on experience applying silicone for 10 hours a day, I strongly recommend staying away from this product. It’s incredibly thick, and applying it evenly or neatly is nearly impossible. It will stick to everything it shouldn’t — and almost certainly won’t stick where it’s actually needed. I don’t question the skills of the engineers behind this formula, but they clearly need to sit down with their marketing team. Because before you can appreciate the supposed quality of this product, you have to somehow manage to apply it correctly — and that’s just not going to happen without a five-hour instructional video (which, by the way, doesn’t exist). And here’s the cherry on top: for your £18, they don’t even bother including a nozzle. Apparently, it’s so “premium” you’re expected to go buy one separately.

## Frequently Bought Together

- Otto Seal S 100, Sanitary Silicone, White, 300 ml
- Joint Smoother Set 5 Pieces – Joint Scraper Set for Silicone and Acrylic
- Classic (Plus) Fugenfux® Set of 5 – Joint Smoother | Joint Puller with Revolutionary Magic Tip for Extremely Tight Areas | 5 Optimised Special Joint Heads | Made in Germany | For All Sealants

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**Shop now:** [https://www.desertcart.jp/products/49909820-otto-seal-s-100-sanitary-silicone-white-300-ml](https://www.desertcart.jp/products/49909820-otto-seal-s-100-sanitary-silicone-white-300-ml)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-03-16*