---
product_id: 622288030
title: "Sika Sikaflex-221 - White - Multi-Purpose Polyurethane sealant/Adhesive - Creates Permanent Elastic Seal - Sandable/paintable - Non-Corrosive - 10.1 fl oz (Pack of 24)"
brand: "sika"
price: "$725.18"
currency: USD
in_stock: true
category: "Sika"
url: https://www.desertcart.us/products/622288030-sika-sikaflex-221-white-multi-purpose-polyurethane-sealant-adhesive-creates
store_origin: US
region: United States of America
---

# One-component fast curing - ready in 1 hour Waterproof & seawater resistant - ultimate durability 10.1 fl oz cartridge - precise application Sika Sikaflex-221 - White - Multi-Purpose Polyurethane sealant/Adhesive - Creates Permanent Elastic Seal - Sandable/paintable - Non-Corrosive - 10.1 fl oz (Pack of 24)

**Brand:** sika
**Price:** $725.18
**Availability:** ✅ In Stock

## Summary

> 🔧 Seal it once, seal it right — the pro’s choice for lasting bonds!

## Quick Answers

- **What is this?** Sika Sikaflex-221 - White - Multi-Purpose Polyurethane sealant/Adhesive - Creates Permanent Elastic Seal - Sandable/paintable - Non-Corrosive - 10.1 fl oz (Pack of 24) by sika
- **How much does it cost?** $725.18 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/622288030-sika-sikaflex-221-white-multi-purpose-polyurethane-sealant-adhesive-creates)

## Best For

- sika enthusiasts

## Why This Product

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

## Key Features

- • **Professional Finish:** Sandable & paintable for seamless, permanent elastic seals
- • **Enduring Performance:** Age-resistant formula withstands UV, seawater & harsh chemicals
- • **Effortless Application:** Cartridge fits electric, pneumatic & manual guns for clean, accurate use
- • **Versatile Bonding Power:** Bonds metals, plastics, ceramics & more for all your projects
- • **Safe for Sensitive Environments:** NSF-approved for drinking water & food production safety

## Overview

Sika Sikaflex-221 is a professional-grade, multi-purpose polyurethane sealant and adhesive in a convenient 10.1 fl oz cartridge. It creates permanent elastic seals that bond to metals, plastics, ceramics, and more. This waterproof, age-resistant, and NSF-approved formula cures quickly, is sandable and paintable, making it ideal for durable internal and external sealing applications.

## Description

When you need a professional-grade elastic seal or bond, there's one name you can trust: The Sika Sikaflex-221. This multi-purpose adhesive & sealant creates permanent bonds to a wide variety of substrates to give you maximum versatility and range. It's a low-odor, non-corrosive compound that's easy and convenient to work with. For optimal performance, surfaces should be clean and free of any debris, dirt, grease, oil, or dust, then dried prior to application. Complete tooling and finishing before skin forms, typically within an hour of use.

## Features

- VERSATILITY AND QUALITY IN ONE - Sometimes simply called Sika 221 white, this one-component urethane caulk bonds to a range of substrates, including metals, plastics, and metal primers and coatings
- AGE RESISTANT - Formulated to resist the effects of aging to better perform at peak capacity no matter the conditions. Also resists elements such as seawater, diluted acids, and caustic solutions
- READY TO USE - The Sikaflex black sealant comes in a handy cartridge that fits easily on an electric, pneumatic or manual application gun, making accurate placement of adhesive paste quick and easy
- SAFE AND EFFECTIVE - Approved by the NSF for use in both drinking water systems and food production operations, so you can rest easy knowing there's no harmful level of chemicals
- PERFECT FOR INTERNAL SEALS AND BONDING - Use it for permanent seals that you can rely on. The paste also bonds to ceramic materials and cures quickly upon exposure to atmospheric moisture

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CRS12FHB |
| Best Sellers Rank | #981 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #4 in Polyurethane Adhesives #13 in Urethane Adhesives |
| Brand Name | SIKA |
| Color | White |
| Customer Reviews | 4.6 4.6 out of 5 stars (2,953) |
| Global Trade Identification Number | 10033886005095 |
| Included Components | Sealant |
| Item Form | Oz |
| Liquid Volume | 10.1 Fluid Ounces |
| Manufacturer | SIKA |
| Material Type | Polyurethane |
| Model | 90891 |
| Number of Items | 24 |
| Part Number | 90891 |
| Surface Recommendation | Metal, Wood, Glass |
| Unit Count | 242.4 Fluid Ounces |
| Water Resistance Level | Waterproof |

## Product Details

- **Brand:** SIKA
- **Color:** White
- **Item Form:** Oz
- **Liquid Volume:** 10.1 Fluid Ounces
- **Surface Recommendation:** Metal, Wood, Glass

## Images

![Sika Sikaflex-221 - White - Multi-Purpose Polyurethane sealant/Adhesive - Creates Permanent Elastic Seal - Sandable/paintable - Non-Corrosive - 10.1 fl oz (Pack of 24) - Image 1](https://m.media-amazon.com/images/I/8102+2Dx9jL.jpg)
![Sika Sikaflex-221 - White - Multi-Purpose Polyurethane sealant/Adhesive - Creates Permanent Elastic Seal - Sandable/paintable - Non-Corrosive - 10.1 fl oz (Pack of 24) - Image 2](https://m.media-amazon.com/images/I/71Vz0HrtNkL.jpg)
![Sika Sikaflex-221 - White - Multi-Purpose Polyurethane sealant/Adhesive - Creates Permanent Elastic Seal - Sandable/paintable - Non-Corrosive - 10.1 fl oz (Pack of 24) - Image 3](https://m.media-amazon.com/images/I/81o8csk5kPL.jpg)
![Sika Sikaflex-221 - White - Multi-Purpose Polyurethane sealant/Adhesive - Creates Permanent Elastic Seal - Sandable/paintable - Non-Corrosive - 10.1 fl oz (Pack of 24) - Image 4](https://m.media-amazon.com/images/I/71k8QM9HcbL.jpg)
![Sika Sikaflex-221 - White - Multi-Purpose Polyurethane sealant/Adhesive - Creates Permanent Elastic Seal - Sandable/paintable - Non-Corrosive - 10.1 fl oz (Pack of 24) - Image 5](https://m.media-amazon.com/images/I/71l8Iq5SN-L.jpg)

## Available Options

This product comes in different **Color, Style** options.

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-06-24*