---
product_id: 336495946
title: "Sealpro ProSeal 80046 Silicone Instant Gasket, Black"
brand: "sealpro"
price: "$20.58"
currency: USD
in_stock: true
reviews_count: 5
category: "Sealpro"
url: https://www.desertcart.us/products/336495946-sealpro-proseal-80046-silicone-instant-gasket-black
store_origin: US
region: United States of America
---

# Full cure in 24 hrs Temp range -75 to 500°F Replaces most pre-cut gaskets Sealpro ProSeal 80046 Silicone Instant Gasket, Black

**Brand:** sealpro
**Price:** $20.58
**Availability:** ✅ In Stock

## Summary

> 🛡️ Seal like a pro, last like a legend!

## Quick Answers

- **What is this?** Sealpro ProSeal 80046 Silicone Instant Gasket, Black by sealpro
- **How much does it cost?** $20.58 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/336495946-sealpro-proseal-80046-silicone-instant-gasket-black)

## Best For

- sealpro enthusiasts

## Why This Product

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

## Key Features

- • **Fast & Reliable Cure:** Achieves full strength in just 24 hours with a quick 10-20 minute application window.
- • **Compact & Ready-to-Use:** 3 oz. black silicone with nozzle included for precise, mess-free application every time.
- • **Sensor-Safe & Oil-Resistant:** Perfect for sensitive automotive parts and oil-exposed surfaces without degradation.
- • **Universal Fit, Instant Seal:** Forms gaskets in-place, replacing cork and pre-cut options effortlessly.
- • **Extreme Temperature Resilience:** Operates flawlessly from freezing -75°F to scorching 500°F environments.

## Overview

Sealpro ProSeal 80046 is a high-performance black RTV silicone sealant designed to replace traditional gaskets with an instant, in-place forming solution. It withstands extreme temperatures from -75°F to 500°F, cures fully in 24 hours, and is sensor-safe and oil-resistant, making it ideal for automotive and industrial sealing needs. Compact and easy to apply, it ensures a durable, reliable seal that professionals trust.

## Description

' RTV Silicone Sealant, Oil-Resistant, 3 oz., Black, Temp. Range -75 to 500 Degrees F, Specific Gravity 1.04, Flash Point 250 Degrees F, Full Cure 24 hr., Application Time 10 to 20 min., Substrates Metal, Low Volatile Formula, Sensor Safe, Replaces Gaskets, Seals and Dressings, Includes Nozzle '.

Review: Works like sealant, but is easily removed and reaffixed in the future, acting more like a traditional rubber gasket. Used to seal around some badly fitting lights on a vehicle which was causing water ingress, sealed perfectly with very little used, since found all sort of other applications for this around the home. Great product.
Review: Works great on rubber air intake hose on my BMW

## Features

- Replaces most pre-cut gaskets by forming gaskets in-place
- Replaces cork
- Country of Origin (subject to change): United States
- Price For: Each Substrates: Metal Flash Point: 250 Degrees F Specific Gravity: 1.04 Full Cure: 24 hr. Application: Sensor Safe, Replaces Gaskets, Seals and Dressings Includes: Nozzle Item: RTV Silicone Sealant Type: Oil-Resistant Size: 3 oz. Color: Black Temp. Range: -75 to 500 Degrees F Application Time: 10 to 20 min. Characteristics: Low Volatile Formula
- Package Dimension : 3.8 cms L x 9.6 cms W x 20.2 cms H

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000FW62SM |
| Brand | Sealpro |
| Customer Reviews | 4.5 4.5 out of 5 stars (1,639) |
| Date First Available | 6 August 2012 |
| Item Weight | 113 g |
| Item model number | 80046 |
| Manufacturer | Super Glue Corporation |
| Manufacturer Part Number | 80046 |
| Model | 80046 |
| Product Dimensions | 20.32 x 12.7 x 5.08 cm; 113.4 g |

## Images

![Sealpro ProSeal 80046 Silicone Instant Gasket, Black - Image 1](https://m.media-amazon.com/images/I/71LWvofK7hL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by R***S on 25 May 2021*

Works like sealant, but is easily removed and reaffixed in the future, acting more like a traditional rubber gasket. Used to seal around some badly fitting lights on a vehicle which was causing water ingress, sealed perfectly with very little used, since found all sort of other applications for this around the home. Great product.

### ⭐⭐⭐⭐⭐ Review
*by J***E on 29 October 2025*

Works great on rubber air intake hose on my BMW

### ⭐⭐⭐⭐⭐ Review
*by M***L on 25 December 2020*

es muy práctico como sellador tipo silicona, el pero es que la cánula no la podrás reutilizar muy. aun así muy buen producto.

## Frequently Bought Together

- ProSeal 80046 Silicone Instant Gasket, Black
- FLEXOID Gasket Paper Set - Petrol, Oil & Water Resistant - 290mm x 180mm sheets (5)
- Realth Silicone Gasket Maker | 3 Pack 3.53 Oz(100g) | Ultra Black RTV | High Temperature | Oil Resistance | High Strength Flange Sealing for Automotive Machine Equipment Repairing(SG119N3)

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-08-20*