O Type Silicone Or TPE Rubber Door Sealing Strip

Our services:

1.We can provide free sample for your testing.

2.OEM, buyer design, buyer label service is available.

3.We will reply your enquiry in 24 working hours,any time you can contact us.

4.Special discount and protection of sales area provided to our distributor.

5.Timely delivery

6.packing can make client brand.

7.Good after-sale service

InqcuiryTips: Please don't forget to provide the following informations:

1. material requested;

2. size, drawings;

3. Material hardness;

4. the specific application;

If you don't have all the details, pls tell us freely, we will try our best to assist you run through design, sample, and mass production.

Port:XIAMEN

Payment Terms:30% DOWN PAYMENT TT IN ADVANCE, 70% BALANCE BEFORE DELIVERY.

Product introduction

FAQs for O-Type Silicone or TPE Rubber Door Sealing Strip

1. Q: What are the main advantages of an O-type (round) sealing strip for doors and panels?

A: The O-type or round profile is one of the most effective and versatile sealing geometries. Its key advantages include:

360-Degree Compression: It compresses uniformly in all directions, allowing it to seal effectively even when alignment between the door and frame is not perfect.

Excellent Gap Filling: The hollow, circular design allows for significant compression to fill larger or slightly variable gaps, creating a reliable airtight and watertight seal.

Low Closure Force: Despite its effective sealing, the round profile often requires less force to close the door compared to some solid or complex profiles, improving user experience.

Versatility: It is ideal for a wide range of applications, from electrical enclosure doors and control panels to automotive compartments and industrial machinery.

2. Q: When should I choose a Silicone O-type seal over a TPE one?

A: Choose Silicone for your O-type seal when your application demands extreme performance:

Extreme Temperature Resistance: Silicone operates reliably from -60°C to +225°C (-76°F to +437°F), making it essential for ovens, industrial freezers, and high-heat environments.

Superior Hygiene & Purity: It is inherently non-toxic, odorless, and FDA-compliant, making it the only choice for food processing, medical equipment, and pharmaceutical applications.

Long-Term Weathering: Silicone has exceptional resistance to UV radiation and ozone, ensuring a long service life in direct outdoor exposure.

3. Q: What are the benefits of selecting a TPE O-type seal instead?

A: Choose TPE (Thermoplastic Elastomer) for your O-type seal when performance, sustainability, and cost-efficiency are key:

Recyclability & Sustainability: TPE is a thermoplastic material, meaning production scrap and the product itself can be recycled, supporting eco-friendly manufacturing and end-of-life goals.

Ease of Processing & Coloration: TPE can be extruded very quickly and is available in a wider, more consistent range of colors without post-treatment.

Excellent General Performance: High-quality TPEs offer very good weather resistance, flexibility, and compression set, performing excellently for most standard automotive, appliance, and construction applications.

Cost-Effectiveness: It often provides a more economical solution for high-volume production without sacrificing critical sealing performance.

4. Q: How does the compression set resistance compare between Silicone and TPE?

A: Compression set resistance-a material's ability to return to its original shape after compression-is critical for a long-lasting seal.

High-Quality Silicone: Typically exhibits excellent compression set resistance, often outperforming standard TPEs, especially at elevated temperatures. This makes it superior for applications where the seal is under constant pressure.

Advanced TPE Formulations: Modern, high-performance TPE compounds can achieve compression set resistance that rivals silicone for many general-purpose applications within their temperature range. It is essential to review the technical data sheet for the specific grade.

For permanent, high-temperature compression, silicone is generally the safest bet. For dynamic sealing with frequent opening/closing at moderate temperatures, a high-performance TPE is often sufficient and more economical.

5. Q: Can these O-type seals be produced with custom properties for our specific application?

A: Absolutely. We specialize in custom-engineered sealing solutions. Whether you choose Silicone or TPE, we can tailor the product to your exact needs:

Custom Sizing: We can produce the O-type profile in virtually any diameter and wall thickness.

Material Formulation: We can adjust the compound's hardness (durometer), add UV stabilizers, or achieve specific fire-retardant ratings (UL 94).

Co-extrusion & Adhesive Backing: We can co-extrude the seal with a rigid carrier for clipping or apply a high-performance self-adhesive backing for easy installation.
Our technical team can help you select the ideal material and profile to optimize performance, cost, and manufacturability.

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