---
product_id: 304313725
title: "Sikaflex-221 - Black - Multi-purpose polyurethane sealant/adhesive - Creates permanent elastic seal - Sandable/paintable - Non-corrosive - 10.1 fl oz | Bonds to metals, plastics and coatings, sandable and paintable elastic seal, NSF approved for drinking water systems"
brand: "sika"
price: "AED 87"
currency: AED
in_stock: true
reviews_count: 7
category: "Sika"
url: https://www.desertcart.ae/products/304313725-sikaflex-221-black-multi-purpose-polyurethane-sealant-adhesive-creates-permanent
store_origin: AE
region: United Arab Emirates
---

# Fast curing in 3 hours Waterproof & NSF approved Multi-surface bonding Sikaflex-221 - Black - Multi-purpose polyurethane sealant/adhesive - Creates permanent elastic seal - Sandable/paintable - Non-corrosive - 10.1 fl oz | Bonds to metals, plastics and coatings, sandable and paintable elastic seal, NSF approved for drinking water systems

**Brand:** sika
**Price:** AED 87
**Availability:** ✅ In Stock

## Summary

> 🔧 Seal it, bond it, own it — the ultimate fix for pros who settle for nothing less!

## Quick Answers

- **What is this?** Sikaflex-221 - Black - Multi-purpose polyurethane sealant/adhesive - Creates permanent elastic seal - Sandable/paintable - Non-corrosive - 10.1 fl oz | Bonds to metals, plastics and coatings, sandable and paintable elastic seal, NSF approved for drinking water systems by sika
- **How much does it cost?** AED 87 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ae](https://www.desertcart.ae/products/304313725-sikaflex-221-black-multi-purpose-polyurethane-sealant-adhesive-creates-permanent)

## 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

- • **Rapid Elastic Seal:** Achieves initial hardening in just 1 hour and full cure in 3 hours—get projects done faster.
- • **Custom Finish Ready:** Sandable and paintable to blend perfectly with your design vision—no compromises.
- • **Effortless Application:** Compatible with electric, pneumatic, or manual guns for precise, mess-free use every time.
- • **Durability Meets Safety:** Age-resistant and NSF-approved for drinking water systems, ensuring long-lasting, non-toxic seals.
- • **Universal Bonding Power:** Seamlessly adheres to metals, plastics, ceramics, and coatings for unmatched versatility.

## Overview

Sikaflex-221 is a premium black polyurethane sealant and adhesive that forms a permanent, elastic, waterproof bond across multiple surfaces including metals, plastics, and ceramics. It cures quickly within 3 hours, is NSF-approved for drinking water safety, and offers sandable and paintable flexibility, making it the go-to solution for professional-grade sealing and bonding needs.

## Description

Sikaflex-221 is a high-quality multi-purpose non-sag 1-c polyurethane sealant/adhesive that cures on exposure to atmospheric humidity to form a durable elastomer. Sikaflex-221 bonds well to a wide variety of substrates and is suitable for making permanent elastic seals of high adhesive strength. Suitable substrate materials are wood, metals, metal primers and paint coatings (2-c systems), ceramic materials and plastics.

Review: The best - Best adhesive sealant I've ever used. I've gone through many tubes of this. It's never let me down except when removing it lol!
Review: As advertised - Good quality

## Features

- VERSATILITY AND QUALITY IN ONE - Sometimes simply called Sika 221 black, 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 | B00NW5LWHA |
| Best Sellers Rank | #246 in Automotive ( See Top 100 in Automotive ) #3 in Automotive Fillers, Adhesives & Sealants |
| Brand | SIKA |
| Brand Name | SIKA |
| Color | Black |
| Colour | Black |
| Customer Reviews | 4.5 out of 5 stars 2,922 Reviews |
| EU Spare Part Availability Duration | 5 Years |
| Full Cure Time | 3 Hours |
| Full cure time | 3 Hours |
| Included Components | AP Products 017-90893 Sikaflex-221, Black |
| Initial Hardening Time | 1 Hours |
| Initial hardening time | 1 Hours |
| Item Form | Paste |
| Item Type Name | AP Products 017-90893 Sikaflex-221, Black |
| Item Weight | 10.1 Ounces |
| Item weight | 10.1 Ounces |
| Liquid Volume | 10.1 Fluid Ounces |
| Liquid volume | 10.1 Fluid Ounces |
| Manufacturer | SIKA |
| Material Type | Polyurethane |
| Model | SIKA-90893 |
| Number of Items | 1 |
| Part Number | 90893 |
| Surface Recommendation | Versatile, suitable for various surfaces |
| Unit Count | 10.1 Fluid Ounces |
| Water Resistance Level | Waterproof |

## Product Details

- **Brand:** SIKA
- **Colour:** Black
- **Full cure time:** 3 Hours
- **Item weight:** 10.1 Ounces
- **Liquid volume:** 10.1 Fluid Ounces

## Images

![Sikaflex-221 - Black - Multi-purpose polyurethane sealant/adhesive - Creates permanent elastic seal - Sandable/paintable - Non-corrosive - 10.1 fl oz | Bonds to metals, plastics and coatings, sandable and paintable elastic seal, NSF approved for drinking water systems - Image 1](https://m.media-amazon.com/images/I/6177TD7R3eL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ The best
*by D***B on 3 June 2026*

Best adhesive sealant I've ever used. I've gone through many tubes of this. It's never let me down except when removing it lol!

### ⭐⭐⭐⭐⭐ As advertised
*by A***R on 10 April 2025*

Good quality

### ⭐⭐⭐⭐⭐ Very good
*by H***M on 3 November 2023*

Very good

## Frequently Bought Together

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*Product available on Desertcart United Arab Emirates*
*Store origin: AE*
*Last updated: 2026-07-28*