---
product_id: 265227981
title: "Black RTV Silicone Adhesive Sealant for Automotive: General Purpose Indoor & Outdoor Sealant, Waterproof, Flexible, High-Temperature, Black, 80 ml Tube (PN: 37460-491979)"
brand: "loctite"
price: "€ 35.58"
currency: EUR
in_stock: true
reviews_count: 5
category: "Loctite"
url: https://www.desertcart.hr/products/265227981-black-rtv-silicone-adhesive-sealant-for-automotive-general-purpose-indoor
store_origin: HR
region: Croatia
---

# 100% waterproof & weatherproof High-temp resistance up to 450°F Flexible & crack-resistant bond Black RTV Silicone Adhesive Sealant for Automotive: General Purpose Indoor & Outdoor Sealant, Waterproof, Flexible, High-Temperature, Black, 80 ml Tube (PN: 37460-491979)

**Brand:** loctite
**Price:** € 35.58
**Availability:** ✅ In Stock

## Summary

> 🖤 Seal it like a pro — LOCTITE Black RTV, the ultimate flexible fortress!

## Quick Answers

- **What is this?** Black RTV Silicone Adhesive Sealant for Automotive: General Purpose Indoor & Outdoor Sealant, Waterproof, Flexible, High-Temperature, Black, 80 ml Tube (PN: 37460-491979) by loctite
- **How much does it cost?** € 35.58 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/265227981-black-rtv-silicone-adhesive-sealant-for-automotive-general-purpose-indoor)

## Best For

- loctite enthusiasts

## Why This Product

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

## Key Features

- • **Flexible Strength:** Flexes with movement to absorb shocks and prevent cracking or shrinking over time.
- • **Fast, Reliable Cure:** Tack-free in 1 hour, full strength in 24 hours—get back to work without delay.
- • **Ultimate Waterproof Shield:** Seals out water, oil, grease, and weather for lasting protection indoors and out.
- • **Unmatched Thermal Endurance:** Withstands extreme temps from -80°F to 450°F, perfect for any climate or engine heat.
- • **Versatile Surface Compatibility:** Bonds effortlessly to metal, glass, plastics, vinyl, and more for all your sealing needs.

## Overview

LOCTITE Black RTV Silicone Adhesive Sealant is a high-performance, black silicone sealant designed for automotive and general-purpose indoor/outdoor use. It offers waterproof, flexible, and durable adhesion that resists extreme temperatures (-80°F to 450°F), oils, weather, and vibration. Ideal for sealing, bonding, and repairing metal, glass, plastics, and vinyl surfaces, it cures quickly to full strength within 24 hours, making it a trusted choice for professionals and DIYers alike.

## Description

LOCTITE Black RTV Silicone Adhesive/Sealant Tube - 80 milliliter features an RTV silicone black adhesive/sealant. It is a black general purpose, indoor, outdoor sealant. It seals, bonds repairs, mends, and secures glass, metal, plastics, fabric, vinyl, weather stripping, and vinyl tops.General-purpose, black RTV indoor/outdoor sealant. Seals, bonds, repairs, mends, and secures glass, metal, plastics, fabric, vinyl, weatherstripping, and vinyl tops. Protects and repairs electrical wiring. May be applied to horizontal or vertical surfaces. Waterproof and flexible. Temperature range: -80°F to 450°F (-62°C to 232°C); resists oil, water, weather, vibration, and grease.

Review: Easy to apply - Works well on car weather stripping.
Review: Good product - Good silicone for adhesion and sealing. You do have to be careful not to squeeze the tube to tightly to prevent tube from splitting. Durable and easy to use, a bit messy to clean up if gotten on other surfaces.

## Features

- RELIABLE ADHESION. This high temp silicone sealant works on most surfaces, including passive substrates (e.g. stainless steel, aluminum, plated surfaces). Resists hardening, shrinking & cracking.
- FLEXES WITH MOVEMENT. Enhances load bearing & shock absorbing characteristics of the bond area.
- ENVIRONMENTAL RESISTANCE. Tolerates contamination by oils, water, weather, vibration and grease.
- CONVENIENT CURING. Tack-free in 1 hour. Full-strength in 24 hours.
- LOCTITE 593 RTV BLACK SILICONE is designed for indoor and outdoor applications. It is especially suited for electrical insulation, protection and the sealing of ductwork, doors, vents, flues & windows.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000FW7V3M |
| Best Sellers Rank | #104,960 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #233 in Silicone Sealers |
| Brand | LOCTITE |
| Brand Name | LOCTITE |
| Color | black / black |
| Colour | black / black |
| Compatible Material | Metal |
| Container Type | Tube |
| Customer Reviews | 4.6 out of 5 stars 220 Reviews |
| Full Cure Time | 24 Hours |
| Global Trade Identification Number | 00079340374607 |
| Included Components | (1) Black RTV Silicone Adhesive/Sealant Tube - 80 ml |
| Item Form | Liquid |
| Item Package Quantity | 1 |
| Item Type Name | automotive-adhesives |
| Item Weight | 0.1 Kilograms |
| Item form | Liquid |
| Manufacturer | Loctite |
| Material | Silicone |
| Material Type | Silicone |
| Model | 37460 |
| Number of Pieces | 1 |
| Other Special Features of the Product | Water resistant |
| Part Number | LOC491979 |
| Special features | Water resistant |
| Specific Uses For Product | Electrical insulation, Protection, Ductwork sealing, Door, Vent, Flue, Window sealing |
| Specific uses for product | Electrical insulation, Protection, Ductwork sealing, Door, Vent, Flue, Window sealing |
| UPC | 079340374607 |
| Unit Count | 80.0 Milliliters |
| Viscosity Level | Medium |
| Volume | 80 Milliliters |
| Water Resistance Level | Waterproof |

## Product Details

- **Brand:** LOCTITE
- **Item form:** Liquid
- **Material:** Silicone
- **Special features:** Water resistant
- **Specific uses for product:** Electrical insulation, Protection, Ductwork sealing, Door, Vent, Flue, Window sealing

## Images

![Black RTV Silicone Adhesive Sealant for Automotive: General Purpose Indoor & Outdoor Sealant, Waterproof, Flexible, High-Temperature, Black, 80 ml Tube (PN: 37460-491979) - Image 1](https://m.media-amazon.com/images/I/711+jKO5sML.jpg)

## Questions & Answers

**Q: Can I bond rubber to painted metal if the metal is sanded? And does it clean up with mineral spirits?**
A: will bond to paint - does not clean up with mineral spirits.

**Q: Is this product suitable for sealing soldered electrical connections on a circuit board from rain exposuree?**
A: Yes, it should work fine as long as you're not making it a large application. Its dries and seals well. It doesn't have too much shrinkage.

**Q: Will this work to seal the edge and stick the edge of the windshield of my vehicle? Has glossy or matte finish? thanks**
A: It will seal around the windshield. It has a glossy finish

**Q: Could I use it to seal a pore/hole/crack (not visible) at the windshield gasket?**
A: yes, I think you can. I used it in the kitchen for sealing the counter top. I had to remove it months later and I used a razer blade to remove it.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Easy to apply
*by W***S on 3 June 2023*

Works well on car weather stripping.

### ⭐⭐⭐⭐⭐ Good product
*by E***L on 24 May 2025*

Good silicone for adhesion and sealing. You do have to be careful not to squeeze the tube to tightly to prevent tube from splitting. Durable and easy to use, a bit messy to clean up if gotten on other surfaces.

### ⭐⭐⭐⭐⭐ Good product
*by A***R on 1 October 2020*

Worked well for mosaic project

## Frequently Bought Together

- Loctite 37460 Black RTV Silicone Adhesive/Sealant Tube - 80 ml
- Permatex 81158 Black Silicone Adhesive Sealant, 3 oz. Tube, Pack of 1
- J-B Weld 31319 Black RTV Silicone Sealant and Adhesive - 3 oz.

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**Shop now:** [https://www.desertcart.hr/products/265227981-black-rtv-silicone-adhesive-sealant-for-automotive-general-purpose-indoor](https://www.desertcart.hr/products/265227981-black-rtv-silicone-adhesive-sealant-for-automotive-general-purpose-indoor)

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-07-24*