---
product_id: 538682553
title: "SX Black Contractors PVCu Silicone - Low Modulus & Neutral Curing - Window and Door Frame Sealant - Indoor and Outdoor - UV, Water and Moisture Resistant - 300ml"
brand: "siroflex"
price: "S$67"
currency: SGD
in_stock: true
url: https://www.desertcart.sg/products/538682553-sx-black-contractors-pvcu-silicone-low-modulus-and-neutral-curing
store_origin: SG
region: Singapore
---

# Waterproof seal for durability Fast curing in 10 mins UV resistant for outdoor use SX Black Contractors PVCu Silicone - Low Modulus & Neutral Curing - Window and Door Frame Sealant - Indoor and Outdoor - UV, Water and Moisture Resistant - 300ml

**Brand:** siroflex
**Price:** S$67
**Availability:** ✅ In Stock

## Summary

> 🔧 Seal Your Space with Confidence!

## Quick Answers

- **What is this?** SX Black Contractors PVCu Silicone - Low Modulus & Neutral Curing - Window and Door Frame Sealant - Indoor and Outdoor - UV, Water and Moisture Resistant - 300ml by siroflex
- **How much does it cost?** S$67 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/538682553-sx-black-contractors-pvcu-silicone-low-modulus-and-neutral-curing)

## Best For

- siroflex enthusiasts

## Why This Product

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

## Key Features

- • **Seal the Deal:** Achieve a robust, long-lasting seal in just 24 hours!
- • **Weather Warrior:** Defend against rain and moisture with confidence.
- • **Quick & Efficient:** Skin forms in 10 minutes for rapid results.
- • **Professional Quality:** Trusted by contractors for superior performance.
- • **Versatile Application:** Perfect for windows, doors, and beyond.

## Overview

The SX Black Contractors PVCu Silicone is a high-performance, low modulus sealant designed for both indoor and outdoor applications. With a fast curing time and exceptional resistance to UV, water, and moisture, this 300ml silicone sealant is perfect for sealing window and door frames, ensuring a durable and reliable barrier against the elements.

## Description

SX Black Contractors PVCu Silicone - Low Modulus & Neutral Curing - Window and Door Frame Sealant - Indoor and Outdoor - UV, Water and Moisture Resistant - 300ml

## Features

- FAST CURING - Skin Formation In 10 Mins Curing Through Atmospheric Moisture Forming A Durable Rubber Seal Within 24 hrs
- UV RESISTANT - Perfect for external Use On Windows In Particular Most PVC Window Frames
- WATER AND MOISTURE RESISTANT - Creating a Durable Rubber Seal to Hold Out Rain and Water Ingress
- MULTI PURPOSE - Ideal for perimeter pointing of window and door frames, sealing plastic roof-line areas and general weather sealing.
- CONTENTS - 1 x Siroflex SX Contractors PVCu Silicone 300ml Colour - Black

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Siroflex |
| Part Number | SCONTPVCU300BL |
| Product Dimensions | 5 x 5 x 23 cm; 440 Grams |
| Manufacturer reference | SCONTPVCU300BL |
| Colour | Black |
| Material | Silicone |
| Item Package Quantity | 1 |
| Included Components | 1 x Siroflex SX Contractors PVCu Silicone 300ml Colour - Black |
| Batteries Required? | No |
| Item Weight | 440 g |

## Images

![SX Black Contractors PVCu Silicone - Low Modulus & Neutral Curing - Window and Door Frame Sealant - Indoor and Outdoor - UV, Water and Moisture Resistant - 300ml - Image 1](https://m.media-amazon.com/images/I/61zdyp8sdGL.jpg)
![SX Black Contractors PVCu Silicone - Low Modulus & Neutral Curing - Window and Door Frame Sealant - Indoor and Outdoor - UV, Water and Moisture Resistant - 300ml - Image 2](https://m.media-amazon.com/images/I/81OVn2hY1lL.jpg)
![SX Black Contractors PVCu Silicone - Low Modulus & Neutral Curing - Window and Door Frame Sealant - Indoor and Outdoor - UV, Water and Moisture Resistant - 300ml - Image 3](https://m.media-amazon.com/images/I/61-rIyWEKaL.jpg)
![SX Black Contractors PVCu Silicone - Low Modulus & Neutral Curing - Window and Door Frame Sealant - Indoor and Outdoor - UV, Water and Moisture Resistant - 300ml - Image 4](https://m.media-amazon.com/images/I/61L3tExcsdL.jpg)

## Available Options

This product comes in different **Colour Name** options.

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**Shop now:** [https://www.desertcart.sg/products/538682553-sx-black-contractors-pvcu-silicone-low-modulus-and-neutral-curing](https://www.desertcart.sg/products/538682553-sx-black-contractors-pvcu-silicone-low-modulus-and-neutral-curing)

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-01-26*