---
product_id: 584993427
title: "791 Sealant Black 310ml (Pack of 2)"
brand: "dowsil"
price: "S$59"
currency: SGD
in_stock: true
url: https://www.desertcart.sg/products/584993427-791-sealant-black-310ml-pack-of-2
store_origin: SG
region: Singapore
---

# 20-30 min working time Fast cure, tack free in 2 hrs Withstands extreme temps 791 Sealant Black 310ml (Pack of 2)

**Brand:** dowsil
**Price:** S$59
**Availability:** ✅ In Stock

## Summary

> ⚡ Seal it fast, seal it right – the pro’s choice for lasting protection!

## Quick Answers

- **What is this?** 791 Sealant Black 310ml (Pack of 2) by dowsil
- **How much does it cost?** S$59 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/584993427-791-sealant-black-310ml-pack-of-2)

## Best For

- dowsil enthusiasts

## Why This Product

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

## Key Features

- • **Certified Quality:** Meets ISO 11600-25lm and ISO 9047 Class 50 standards for trusted professional performance.
- • **Rapid Set, No Wait:** Fast curing formula becomes tack-free in just 2 hours, speeding up your workflow.
- • **Weatherproof Warrior:** Superior resistance to harsh weather keeps your projects flawless year-round.
- • **Efficient Work Window:** Generous 20-30 minutes working time lets you perfect every seal with ease.
- • **Radiation & Temp Shield:** Engineered to endure radiation and temperature extremes without losing integrity.

## Overview

Dow Corning’s 791 Sealant Black 310ml (Pack of 2) is a high-performance silicone sealant designed for professional use. It offers excellent weathering resistance, withstands radiation and temperature extremes, and provides a 20-30 minute working time with a fast cure that becomes tack-free in 2 hours. Certified to ISO standards, this compact, durable sealant ensures reliable, long-lasting protection for your building and repair projects.

## Description

791 Sealant Black 310ml (Pack of 2)

## Features

- The information below applies to each unit in the pack
- Excellent weathering characteristics
- Resistance to radiation and temperature extremes
- 20-30 minutes working time
- Fast cure - tack free in 2 hours
- Confirms to ISO 11600-25lm and meets ISO specification 9047 Class 50

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Dow Corning |
| Part Number | 4024907/C05 |
| Product Dimensions | 5 x 5 x 23.5 cm; 740 g |
| Item model number | 4024907/C05 |
| Size | Size 310 (Pack of 2) |
| Colour | Black |
| Style | Compact |
| Material | Silicone |
| Item Package Quantity | 1 |
| Batteries included? | No |
| Batteries Required? | No |
| Item Weight | 740 g |

## Product Details

- **Material:** Silicone
- **Brand:** Dowsil
- **Style:** Compact
- **Item weight:** 0.74 Kilograms
- **Item dimensions L x W x H:** 50 x 50 x 235 millimetres

## Images

![791 Sealant Black 310ml (Pack of 2) - Image 1](https://m.media-amazon.com/images/I/41IBtz5kj9L.jpg)

## Frequently Bought Together

- Dowsil 791 Sealant Black 310ml (Pack of 2)
- Dowsil 785N Silicone Sealant, White 310ml
- 791 Silicone Sealant Grey 310ml

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**Shop now:** [https://www.desertcart.sg/products/584993427-791-sealant-black-310ml-pack-of-2](https://www.desertcart.sg/products/584993427-791-sealant-black-310ml-pack-of-2)

---

*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-02-10*