High-Temperature Resistant Silicone rubber Waterproof Seal Durable and Flexible for Industrial and Automotive Applications
- Model
- NO.WHF2024072401
Item specifics
- Color (General)
- Black
- Material
- Silicone
- Length
- Custom
- Dimension
- Custom
- Temperature Range
- -45°C—125°C
- Shore Hardness
- 50-95 Shore A or customize
- Tensile strength
- 5~12Mpa
- Elongation at break
- 400%
Review
Description
Silicone rubber Waterproof Seal Introduction

Sealing Function
The primary role of the silicone rubber waterproof seal is to create a tight and reliable barrier against water. It is used in numerous applications, including bathrooms, kitchens, swimming pools, water tanks, and outdoor structures. In bathrooms and kitchens, it seals gaps around sinks, showers, and bathtubs, preventing water leakage that could lead to water damage, mold growth, and structural issues. For swimming pools and water tanks, the seal ensures that water remains contained, maintaining the proper water level and preventing costly leaks.
Applications
This waterproof seal is applicable across a broad spectrum of industries and settings. In the construction industry, it is used for sealing joints in buildings, including those between walls, floors, and ceilings, as well as around windows and doors. In the automotive sector, it seals components such as headlights, taillights, and engine compartments, protecting them from water ingress and potential electrical failures.


Cost - effectiveness
The silicone rubber waterproof seal offers a cost - effective solution for preventing water damage. By effectively sealing out water, it reduces the risk of costly repairs and replacements caused by leaks, mold, and structural deterioration. Its long service life, combined with low installation and maintenance costs, makes it a practical investment for both residential and commercial applications. Whether used in a small home improvement project or a large - scale construction or industrial application, the silicone rubber waterproof seal provides significant value by ensuring the protection and longevity of the sealed structures and components.
Silicone rubber Waterproof Seal Properties:
Length | Customizable | OEM/ODM | Available |
Logo | Customer Logo Available | Lead Time | 10 Days |
MOQ | 100 Meters | Application | Food Containers & Packaging |
Material Properties
Silicone exhibits outstanding water - resistant properties, forming an impenetrable barrier against moisture. Its molecular structure repels water, preventing it from seeping through the seal and protecting the underlying components or spaces. This material also maintains excellent flexibility across a wide temperature range, from extremely cold conditions that could make other materials brittle to high - heat environments where others might soften or deform.
1. Why is silicone a good material for rubber waterproof seals?
Silicone is an excellent material for rubber waterproof seals because it possesses multiple advantageous properties. Its inherent water - repellent nature creates an efficient barrier against moisture, preventing water from seeping through. Silicone maintains flexibility across a wide temperature range, from extreme colds that could make other materials brittle to high - heat conditions that might cause softening in others, ensuring the seal stays intact and functional regardless of the environment.
2. How well do silicone rubber waterproof seals perform in extreme temperatures?
Silicone rubber waterproof seals perform exceptionally well in extreme temperatures. In extremely cold conditions, down to -60°C , silicone doesn't lose its flexibility or become brittle, maintaining its ability to form a tight, watertight seal and preventing cracks that could allow water to penetrate. In high - heat environments reaching up to 260°C , it resists softening or melting, ensuring that the seal remains intact and continues to block water effectively.
3. How long do silicone rubber waterproof seals typically last?
Yes, silicone rubber waterproof seals can be used in a wide variety of applications. In residential settings, they are perfect for sealing bathrooms, kitchens, and around windows and doors to prevent water damage from leaks or rain. In commercial buildings, they are employed in areas like swimming pools, water treatment facilities, and food processing plants, where reliable waterproofing is essential.

Item | Silicone rubber Waterproof Seal | |
Size | Customize | |
Material | Silicone | |
Hardness | 50-95 Shore A or customize | |
Color | Black or customize any color | |
Density | 0.6-1.45g/cm³ | |
Temperature resistant | -45°C—125°C | |
Tensile strength | 5~12Mpa | |
Elongation at break | 200~900% | |
Lead time | 3 days for sample, 15 days for batch order | |
Packing method | Carton/ PE bag / Wooden pallet / Paper roll | |
Price tip | The price above is for your reference, final actual price depends on your design,material request, surface treatment, order quantity, package request, etc. |