---
product_id: 271518885
title: "Dow Corning 3145 Silicone Adhesive Clear Sealant (3oz 90 mL, -45 to 200 C) - Unbeatable Toughness and Flexibility - Airtight Seal - Superior Adhesion - Easy 1-Component Application - Dries in 55 Mins, Cures in 48 Hrs"
brand: "corning"
price: "€ 0.67"
currency: EUR
in_stock: true
url: https://www.desertcart.it/products/271518885-dow-corning-3145-silicone-adhesive-clear-sealant-3oz-90-ml
store_origin: IT
region: Italy
---

# Dries in 55 mins, cures 48 hrs Wide temp range -45 to 200°C High tensile & tear strength Dow Corning 3145 Silicone Adhesive Clear Sealant (3oz 90 mL, -45 to 200 C) - Unbeatable Toughness and Flexibility - Airtight Seal - Superior Adhesion - Easy 1-Component Application - Dries in 55 Mins, Cures in 48 Hrs

**Brand:** corning
**Price:** € 0.67
**Availability:** ✅ In Stock

## Summary

> 🔧 Seal smart, last long — the pro’s choice for flawless fixes!

## Quick Answers

- **What is this?** Dow Corning 3145 Silicone Adhesive Clear Sealant (3oz 90 mL, -45 to 200 C) - Unbeatable Toughness and Flexibility - Airtight Seal - Superior Adhesion - Easy 1-Component Application - Dries in 55 Mins, Cures in 48 Hrs by corning
- **How much does it cost?** € 0.67 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.it](https://www.desertcart.it/products/271518885-dow-corning-3145-silicone-adhesive-clear-sealant-3oz-90-ml)

## Best For

- corning enthusiasts

## Why This Product

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

## Key Features

- • **Temperature Resilience:** Performs flawlessly from freezing -45°C to scorching 200°C environments.
- • **Fast & Easy Application:** One-component formula simplifies use—no mixing, no mess, just smooth sealing.
- • **Airtight & Reliable Seal:** Perfect for sensitive electronics, ensuring no leaks or contamination.
- • **Superior Multi-Surface Adhesion:** Bonds seamlessly to glass, metal, ceramics, plastics & more for versatile applications.
- • **Unmatched Durability & Flexibility:** Engineered for extreme toughness without cracking or flowing under stress.

## Overview

Dow Corning 3145 Silicone Adhesive Clear Sealant is a professional-grade, one-component silicone sealant offering unbeatable toughness, flexibility, and superior adhesion across multiple surfaces. It creates airtight seals ideal for electronics and industrial applications, dries in under an hour, and withstands extreme temperatures from -45°C to 200°C, making it the ultimate solution for durable, reliable repairs and assemblies.

## Description

Use for sealing openings in modules and housings, assembly of components on pcbs, and around wired and electrical leads.faster in-line processing with optional heat acceleration.

## Features

- UNBEATABLE TOUGHNESS and FLEXIBILITY - Dow Corning 3145 sealant is non-flowing and has high elongation, tensile, and tear strength
- AIRTIGHT SEAL - This silicone adhesive can be used for assembling print wire boards and sealing housings, modules, and electrical leads
- SUPERIOR ADHESION - Adheres to glass, metal, porcelain, ceramic, painted surfaces, non-oily woods, many plastics and rubbers

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Dow Mfg |
| Part number | 3145 |
| Item Weight | 100 g |
| Product Dimensions | 20.32 x 15.24 x 10.16 cm; 100 g |
| Item model number | DC 3145 CLEAR, 3OZ |
| Color | Clear |
| Material | Silicone |
| Item Package Quantity | 1 |
| Special Features | POSSIBLE_SPECIAL_FEATURES: Silicone Adhesive, Clear |
| Specific uses | Repair |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Brand:** Corning
- **Specific uses for product:** Repair
- **Material:** Silicone
- **Item form:** Gel
- **Special features:** POSSIBLE_SPECIAL_FEATURES: Silicone Adhesive, Clear

## Images

![Dow Corning 3145 Silicone Adhesive Clear Sealant (3oz 90 mL, -45 to 200 C) - Unbeatable Toughness and Flexibility - Airtight Seal - Superior Adhesion - Easy 1-Component Application - Dries in 55 Mins, Cures in 48 Hrs - Image 1](https://m.media-amazon.com/images/I/51cRiGSZ78L.jpg)

## Questions & Answers

**Q: what is the Expiration date of product**
A: A/O today (11/23/20) Christi @ PILOT says  the clear they have expires in JULY 2021.  My experience is that the product normally lasts well beyond the date if capped well to exclude air.  -- I have a tube in service that dates from 2010 - still fine.

**Q: Does this come with a screw on nozzle?**
A: Yes

**Q: what is the expiry date ?**
A: A/O today (11/23/20) Christi @ PILOT says  the clear they have expires in JULY 2021.  My experience is that the product normally lasts well beyond the date if capped well to exclude air.  -- I have a tube in service that dates from 2010 - still fine.

**Q: What is the expiration date of rtv 3145 )clear)?**
A: I ordered the RTV3145 February 2021 and the tube I received had a use by date of July 26,2021.  My tube is still usable today (8/17/2021) but firmer than when new.  
I used RTV 3145 for electronics when I was working because it is non corrosive and my experience with this RTV is that it has a 6 month shelf life.

## Frequently Bought Together

- Dow Corning-3145 DC Clear, 3OZ Adhesive, Clear
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*Product available on Desertcart Italy*
*Store origin: IT*
*Last updated: 2026-01-26*