---
product_id: 304313725
title: "Sika Sikaflex-221 - Black - Multi-purpose polyurethane sealant/adhesive - Creates permanent elastic seal - Sandable/paintable - Non-corrosive - 10.1 fl oz"
brand: "sika"
price: "₪99"
currency: ILS
in_stock: true
reviews_count: 5
category: "Sika"
url: https://www.desertcart.co.il/products/304313725-sika-sikaflex-221-black-multi-purpose-polyurethane-sealant-adhesive-creates
store_origin: IL
region: Israel
---

# 3-hour full cure time - fast reliability Waterproof & seawater resistant - durable seal 10.1 fl oz cartridge - precise application Sika Sikaflex-221 - Black - Multi-purpose polyurethane sealant/adhesive - Creates permanent elastic seal - Sandable/paintable - Non-corrosive - 10.1 fl oz

**Brand:** sika
**Price:** ₪99
**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 - Black - Multi-purpose polyurethane sealant/adhesive - Creates permanent elastic seal - Sandable/paintable - Non-corrosive - 10.1 fl oz by sika
- **How much does it cost?** ₪99 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.il](https://www.desertcart.co.il/products/304313725-sika-sikaflex-221-black-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

- • **Fast & Durable Cure:** Achieves full strength in just 3 hours to keep projects on schedule
- • **Smooth Finish Ready:** Sandable and paintable for flawless, professional results
- • **Safe for Critical Use:** NSF-approved for drinking water & food production environments
- • **Universal Bonding Power:** Bonds metals, plastics, ceramics & more for ultimate versatility
- • **Weatherproof & Age-Resistant:** Stands strong against seawater, acids, and harsh elements

## Overview

Sikaflex-221 is a premium black polyurethane sealant and adhesive delivering permanent elastic seals with high adhesive strength. Its 10.1 fl oz cartridge fits standard application guns for precise use, cures fully in 3 hours, and resists aging, seawater, and chemicals. NSF-approved for safe use in drinking water and food production, it bonds to metals, plastics, ceramics, and more, while being sandable and paintable for a seamless finish.

## 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: Perfect for automotive use
Review: Very good

## 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 | #10,393 in Automotive ( See Top 100 in Automotive ) #50 in Automotive Fillers, Adhesives & Sealants |
| Brand | SIKA |
| Brand Name | SIKA |
| Color | Black |
| Colour | Black |
| Customer Reviews | 4.5 out of 5 stars 2,404 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 height | 12 inches |
| Item weight | 10.1 Ounces |
| Liquid Volume | 10.1 Fluid Ounces |
| Liquid volume | 10.1 Fluid Ounces |
| Manufacturer | SIKA |
| Material Type | Polyurethane |
| 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

![Sika Sikaflex-221 - Black - Multi-purpose polyurethane sealant/adhesive - Creates permanent elastic seal - Sandable/paintable - Non-corrosive - 10.1 fl oz - Image 1](https://m.media-amazon.com/images/I/6177TD7R3eL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Perfect for automotive use
*by O***A on 6 October 2025*



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



### ⭐⭐⭐⭐⭐ sikaflex is the BOMB
*by K***Y on 27 November 2023*



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*Product available on Desertcart Israel*
*Store origin: IL*
*Last updated: 2026-01-22*