---
product_id: 253302976
title: "J-B Weld 32929 Ultimate Black RTV Silicone Gasket Maker and Sealant - 9.5 oz."
brand: "j-b weld"
price: "€ 43.16"
currency: EUR
in_stock: true
reviews_count: 5
category: "J B Weld"
url: https://www.desertcart.nl/products/253302976-j-b-weld-32929-ultimate-black-rtv-silicone-gasket-maker
store_origin: NL
region: Netherlands
---

# Moisture-cured, waterproof, crack-resistant seal Withstands up to 550ºF continuous heat Trusted by pros for tough mechanical bonds J-B Weld 32929 Ultimate Black RTV Silicone Gasket Maker and Sealant - 9.5 oz.

**Brand:** j-b weld
**Price:** € 43.16
**Availability:** ✅ In Stock

## Summary

> 🔥 Seal it like a pro, last like a legend!

## Quick Answers

- **What is this?** J-B Weld 32929 Ultimate Black RTV Silicone Gasket Maker and Sealant - 9.5 oz. by j-b weld
- **How much does it cost?** € 43.16 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/253302976-j-b-weld-32929-ultimate-black-rtv-silicone-gasket-maker)

## Best For

- j-b weld enthusiasts

## Why This Product

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

## Key Features

- • **Pro-Grade Reliability:** Used by mechanics and builders who demand the best
- • **DIY Confidence Booster:** Heavy-duty bonding that restores and repairs right the first time
- • **Effortless Application:** Air moisture cures to a durable, waterproof seal—no shrinkage or cracking
- • **Heat-Resistant Powerhouse:** Handles extreme temps up to 550ºF without fail
- • **Versatile Fix-It Solution:** Perfect for automotive, metal, and household repairs alike

## Overview

J-B Weld 32929 Ultimate Black RTV Silicone Gasket Maker and Sealant is a high-temp, moisture-cured silicone sealant designed for mechanical assemblies. It withstands continuous temperatures up to 550ºF, bonds strongly to diverse surfaces, resists weathering, and forms a waterproof, crack-proof gasket trusted by professionals and DIYers alike.

## Description

J-B Weld 32929 Ultimate Black RTV Silicone Gasket Maker and Sealant - 9.5 oz. : desertcart.ae: Tools & Home Improvement

Review: El producto funcionó muy bien, solo que llegó sin la boquilla
Review: value for money

## Features

- HI TEMP SILICONE GASKET MAKER & SEALANT: Is an RTV Silicone gasketing material, designed for use in mechanical assemblies where continuous temperatures up to 550º F or 650º F intermittent exist
- WHAT THE PROFESSIONALS USE: Builders, mechanics & repair pros know our products bond strong to a variety of surfaces in even the toughest environments. Choose the product pros trust for your project
- EASY TO USE: Curing when the product is exposed to the moisture in air, it forms a tough, waterproof seal on most surfaces. It will not shrink or crack, resists weathering and is sensor safe
- VERSATILE & DEPENDABLE: Ideal for automotive, metal, oil pans, exhaust manifolds, water pumps, timing covers, differential covers, drive housings and oven doors
- DO IT YOURSELF: Big or small, you can DIY it with J-B. Our heavy duty adhesives repair & restore it right the first time. JB Weld delivers the legendary performance of the World's Strongest Bond

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01BWZ1W3A |
| Best Sellers Rank | #21,141 in Automotive ( See Top 100 in Automotive ) #102 in Automotive Fillers, Adhesives & Sealants |
| Brand | J-B Weld |
| Customer Reviews | 4.3 4.3 out of 5 stars (277) |
| Date First Available | 10 June 2016 |
| Item Weight | 318 g |
| Item model number | 32929 |
| Manufacturer | JBWeld |
| Manufacturer Part Number | 32929 |
| Model | 32929 |
| Product Dimensions | 22.86 x 15.24 x 10.16 cm; 317.51 g |

## Product Details

- **Brand:** J-B Weld
- **Colour:** Black
- **Full cure time:** 6E+1 Minutes
- **Item weight:** 0.7 Pounds
- **Liquid volume:** 10.3 Fluid Ounces

## Images

![J-B Weld 32929 Ultimate Black RTV Silicone Gasket Maker and Sealant - 9.5 oz. - Image 1](https://m.media-amazon.com/images/I/611tUt89wZL.jpg)
![J-B Weld 32929 Ultimate Black RTV Silicone Gasket Maker and Sealant - 9.5 oz. - Image 2](https://m.media-amazon.com/images/I/71CxMTCY9OL.jpg)

## Questions & Answers

**Q: how do you keep the tube from drying?**
A: Make sure the top is well covered.......Keep it in the fridge...

**Q: Is this paintable**
A: No RTV silicone will accept pint since they are 100% silicone

**Q: Installing new valve covers & gaskets (ultra-seal)1981 camaro 305 ci, which of your products i should purchase is (1) tube enough?**
A: I have done many SBC in 40+ years. If using cork gaskets glue them in place with weatherstrip adhesive. If using rubber gaskets, nothing at all. If making gaskets with RTV silicone use Black RTV silicone. Red rtv is for high heat exhaust work.

**Q: Will this product seal a gap between a metal machine and welding fabric?**
A: Probably

## Customer Reviews

### ⭐⭐⭐⭐ Review
*by M***Z on 31 August 2020*

El producto funcionó muy bien, solo que llegó sin la boquilla

### ⭐⭐⭐⭐⭐ Review
*by C***J on 10 July 2025*

value for money

### ⭐⭐ Review
*by J***R on 24 August 2024*

Can’t close the top once it’s opened so you either need to use it all or waste it.

## Frequently Bought Together

- J-B Weld 32929 Ultimate Black RTV Silicone Gasket Maker and Sealant - 9.5 oz.
- Newborn 930-GTD Drip-Free Smooth Hex Rod Cradle Caulking Gun with Gator Trigger Comfort Grip, 1/10 Gallon Cartridge, 10:1 Thrust Ratio

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**Shop now:** [https://www.desertcart.nl/products/253302976-j-b-weld-32929-ultimate-black-rtv-silicone-gasket-maker](https://www.desertcart.nl/products/253302976-j-b-weld-32929-ultimate-black-rtv-silicone-gasket-maker)

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*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-01-23*