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Product Description

Product Overview

Solid silicone round‑bar sealing strips are manufactured from premium silicone raw materials using an extrusion‑vulcanization process. They feature a solid, uniform circular cross‑section with a dense, pore‑free structure, offering high elasticity and excellent resilience. These strips also provide outstanding resistance to extreme temperatures, waterproofing and dustproofing, impact absorption and vibration damping, as well as effective sealing and sound insulation, along with electrical insulation and wear resistance. They are widely used in applications such as gap filling, water‑tight sealing, impact buffering, high‑temperature thermal insulation, and electromechanical insulation.

Resistant to aging and deformation
Compressible and long-lasting
Prolonged exposure to ultraviolet radiation and other climatic conditions
Physical properties exhibit only minor changes and are not easily affected by ozone.

Cushioning and shock absorption
Excellent water and oil resistance, with superior sealing performance.
Suitable for demanding industrial or domestic environments.

Excellent processing performance; can be cut to any size.
Layered inspections ensure rigorous quality control; customization is available to meet specific requirements.

Good softness and strong elasticity
Refuse to return materials; the material is good.
Excellent sealing and tear resistance

Core Product Features

Strong resistance to high and low temperatures
Temperature resistance range: −40°C to 250°C; at low temperatures, it does not harden or become brittle; at high temperatures, it does not collapse, deform, yellow, or age.
High elasticity and excellent sealing performance.
The solid construction offers excellent resilience, quickly regains its shape under pressure, and seals tightly around gaps, effectively providing windproofing, waterproofing, dustproofing, sound insulation, and shock absorption.
Weather-resistant and anti-aging, with a long service life.
UV‑resistant, ozone‑resistant, and weather‑corrosion‑proof; suitable for long‑term outdoor use without cracking, chalking, or deformation.
Eco-friendly and safe, with no odor.
Made from brand-new silicone, it is non-toxic and odorless, meets environmental standards, and can be used with confidence in food‑grade equipment, home appliances, and both indoor and outdoor settings.
Insulating, wear-resistant, and tear-resistant
It exhibits excellent electrical insulation properties, as well as outstanding resistance to abrasion, tensile stress, and tearing, and remains stable under prolonged compression without deformation or collapse.
Complete specifications and strong customization options.
Round rods are available in a wide range of diameters, and can be customized to your specifications for color, hardness, and length. They are easy to cut and simple to install.

Scope of Application

Sealing and caulking gaps in residential doors and windows, cabinet doors, and aluminum alloy profiles;
High-temperature sealing for ovens, sterilization cabinets, wall-mounted boilers, and small household appliances;
Waterproof and dustproof, with impact‑absorbing cushioning, for automobiles, machinery, and enclosures/cabinets.
Cold storage, insulated enclosures, medical devices, and aquarium equipment—thermal insulation and sealing.
Glass, stone, and industrial‑grade anti‑slip and shock‑absorbing edge strips are used for filling.

Product Advantages

Solid and dense, non‑flaking, resistant to temperature and weather, and deformation‑free; excellent elasticity, strong sealing, and highly wear‑resistant; easy to install; suitable for a wide range of applications in industry, home, and appliances; offering outstanding value.

About Us

Hebei Qunwo Rubber Products Co., Ltd. We specialize in manufacturing a wide range of sealing strips and seals, including silicone sealing strips and seals, PVC sealing strips, rubber and plastic products, EPDM foam strips, EPDM seals, automotive composite sealing strips, marine and cold‑storage sealing strips, self‑adhesive high‑temperature and oil‑resistant sealing strips, oil‑resistant sealing tubes, mechanical sealing strips, engineering sealing strips, door and window sealing strips, custom‑shaped sealing strips, and various colored sealing strips. We also offer tailor‑made solutions to meet our customers’ specific needs. Samples can be mailed, drawings can be sent, or you can provide the profile directly; our experienced technicians will design the most suitable door and window sealing strips based on your specifications, ensuring that we satisfy the diverse requirements of each client. We maintain rigorous quality control and continuously enhance our after‑sales service, confident that our collaboration will be both enjoyable and mutually beneficial.

Test equipment

Customization Process

We provide a complete one-stop custom process: from requirement communication, design and sampling, to mass production, delivery and after-sales support, ensuring efficient and reliable customized sealing solutions.

Inquiry & Product Selection

Confirm Material, Size & Performance

Sample / Drawing / Profile Confirmation

Design & Quotation

Mold & Sample Making

Sample Approval & Order

Production & Quality Control

Delivery Confirmation

Solid silicone round bar seal strip

Solid silicone round‑bar sealing strips are manufactured from premium silicone raw materials using an extrusion‑vulcanization process. They feature a solid, uniform circular cross‑section with a dense, pore‑free structure, offering high elasticity and excellent resilience. These strips also provide outstanding resistance to extreme temperatures, waterproofing and dustproofing, impact absorption and vibration damping, as well as superior sealing, sound insulation, electrical insulation, and wear resistance.

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Product Description

Product Overview

Solid silicone round‑bar sealing strips are manufactured from premium silicone raw materials using an extrusion‑vulcanization process. They feature a solid, uniform circular cross‑section with a dense, pore‑free structure, offering high elasticity and excellent resilience. These strips also provide outstanding resistance to extreme temperatures, waterproofing and dustproofing, impact absorption and vibration damping, as well as effective sealing and sound insulation, along with electrical insulation and wear resistance. They are widely used in applications such as gap filling, water‑tight sealing, impact buffering, high‑temperature thermal insulation, and electromechanical insulation.

Resistant to aging and deformation
Compressible and long-lasting
Prolonged exposure to ultraviolet radiation and other climatic conditions
Physical properties exhibit only minor changes and are not easily affected by ozone.

Cushioning and shock absorption
Excellent water and oil resistance, with superior sealing performance.
Suitable for demanding industrial or domestic environments.

Excellent processing performance; can be cut to any size.
Layered inspections ensure rigorous quality control; customization is available to meet specific requirements.

Good softness and strong elasticity
Refuse to return materials; the material is good.
Excellent sealing and tear resistance

Core Product Features

Strong resistance to high and low temperatures
Temperature resistance range: −40°C to 250°C; at low temperatures, it does not harden or become brittle; at high temperatures, it does not collapse, deform, yellow, or age.
High elasticity and excellent sealing performance.
The solid construction offers excellent resilience, quickly regains its shape under pressure, and seals tightly around gaps, effectively providing windproofing, waterproofing, dustproofing, sound insulation, and shock absorption.
Weather-resistant and anti-aging, with a long service life.
UV‑resistant, ozone‑resistant, and weather‑corrosion‑proof; suitable for long‑term outdoor use without cracking, chalking, or deformation.
Eco-friendly and safe, with no odor.
Made from brand-new silicone, it is non-toxic and odorless, meets environmental standards, and can be used with confidence in food‑grade equipment, home appliances, and both indoor and outdoor settings.
Insulating, wear-resistant, and tear-resistant
It exhibits excellent electrical insulation properties, as well as outstanding resistance to abrasion, tensile stress, and tearing, and remains stable under prolonged compression without deformation or collapse.
Complete specifications and strong customization options.
Round rods are available in a wide range of diameters, and can be customized to your specifications for color, hardness, and length. They are easy to cut and simple to install.

Scope of Application

Sealing and caulking gaps in residential doors and windows, cabinet doors, and aluminum alloy profiles;
High-temperature sealing for ovens, sterilization cabinets, wall-mounted boilers, and small household appliances;
Waterproof and dustproof, with impact‑absorbing cushioning, for automobiles, machinery, and enclosures/cabinets.
Cold storage, insulated enclosures, medical devices, and aquarium equipment—thermal insulation and sealing.
Glass, stone, and industrial‑grade anti‑slip and shock‑absorbing edge strips are used for filling.

Product Advantages

Solid and dense, non‑flaking, resistant to temperature and weather, and deformation‑free; excellent elasticity, strong sealing, and highly wear‑resistant; easy to install; suitable for a wide range of applications in industry, home, and appliances; offering outstanding value.

About Us