Silicone sealing strips
2026-07-31
Silicone sealing strips are high-performance sealing materials made from silicone rubber, primarily used for waterproofing, dustproofing, soundproofing, shock absorption, and thermal insulation.
Key Characteristics of Silicone Sealing Strips
- Extreme Temperature Resistance: Functions reliably from -50°C to +250°C (-58°F to +482°F) without losing elasticity.
- Eco-Friendly and Non-Toxic: Features high physiological stability, making it odorless, non-toxic, and food/medical-grade compliant.
- Weather and Aging Resistance: Highly resistant to ozone, UV rays, and harsh weather, preventing cracking or brittleness outdoors.
- High Elasticity and Compression Set: Offers excellent resilience and recovers its original shape perfectly even after long-term compression.
- Electrical Insulation: Provides high dielectric strength (up to 20-25KV/mm), making it ideal for protecting electronics.
- Chemical Inertness: Remains chemically stable and does not react with most substances, except for strong alkalies and hydrofluoric acid.
Main Applications
Silicone sealing strips are widely used across five core sectors:
· Home Appliances: Used in electric ovens, microwaves, refrigerators, dishwashers, and airtight food containers.
· Medical & Food Industries: Applied in pharmaceutical tubing, medical devices, water dispensers, and food processing machinery.
· Architecture & Construction: Installed in energy-saving windows, curtain walls, and balcony joints to block wind, rain, and noise.
· Automotive & Transportation: Embedded in doors, windows, and instrument cabins of cars, planes, and ships for shock absorption and weatherproofing.
· Electronics & Lighting: Used in outdoor LED panels, electrical enclosures, and semiconductor equipment for reliable waterproofing and insulation.
Material Comparison: Silicone vs. EPDM vs. PVC
Feature / Material | Silicone Rubber | EPDM Rubber | PVC (Polyvinyl Chloride) |
Temperature Range | Excellent (-50°C to 250°C) | Good (-40°C to 130°C) | Poor (-15°C to 60°C) |
Safety & Eco-Friendliness | Non-toxic, Food-grade | Mild odor | Low eco-friendliness, hardens in cold |
UV & Aging Resistance | Extreme (10+ years lifespan) | High | Weak |
Cost | Premium / Higher | Medium | Low / Budget-friendly |
If you are choosing a sealing strip for a project, please let me know your specific application (e.g., oven doors, outdoor windows, or electronic enclosures). I can recommend the ideal hardness (Durometer) and adhesive backing type for you.
Previous:
The next one:
Recommend News
Online Message
We will contact you within one working day. Please pay attention to your email.
Fast track
Contact Us
Contact:Ms.Amy
Mobile: 86-19943495594
Telephone:0319-3252988
E-mail:contact@fmseal.com
Address:Yahu Industrial Zone, Weixian County, Hebei Province
