Are you looking for the best door sealants from China but not sure where to start? With so many excellent manufacturers, choosing the right one can be overwhelming. In this article, we’ll compare some of the top door sealants factories in China, helping you make an informed decision for your needs. Let’s dive in and find the perfect fit for you.
Daoseal: Best manufacturer of door bottom seal in China
China Window And Door Silicone Sealant
Product Details: 100% silicone formula, 100% waterproof and weatherproof. Meets ASTM C-920 standards. Suitable for sealing areas around windows, doors, siding, trim, molding, baseboards, vents, basements, attics, and around wires and pipes. Offers 30-minute rain-ready formula, high flexibility, and resistance to UV degradation, mold, and mildew. Available in various colors and sizes.
Pros:
– High-performance and durable
– Resists mold and mildew growth
– 40% more flexibility than Class 25 sealants
– Low odor and neutral curing
– Adheres to a wide range of surfaces including metals, woods, and masonry
– Lifetime guarantee and 10-year mold-free product protection
Cons:
– Non-paintable
– Some users report difficulty in squeezing the tube and inconsistent product qual…
– Priced higher than some comparable options
China Automatic Drop Down Door Bottom Seal Factory and …
Product Details: The Automatic Drop Down Door Bottom Seal is a product offered by Gallford Sealing. It is designed to create a seal at the bottom of a door when it is closed, activated by the door’s movement. The seal is made of silicon rubber and is available in gray or black colors. The product features an adjustable mechanism, with options for copper, nickel, or wan plunger. It is part of a broader range of sealing solutions that include magnetic shower door seals, fire and acoustic seals, and door frame sealing strips. The company emphasizes a ‘Quality first, perfection forever, people-oriented, technology
innovation’ business philosophy and supplies products globally[3][5].
Pros:
– Efficient sealing against draughts, air infiltration, and dust
– Available in various finishes and plunger options (copper, nickel, wan)
– Global supply and distribution
– High-quality materials such as silicon rubber seals
– Company commitment to quality, innovation, and customer satisfaction
Cons:
– Limited specific technical details available on the webpage
– No customer reviews or ratings provided on the site
– Installation complexity may vary depending on the door type and surface
GoldRays: Shower Seals Manufacturer and Suppliers in …
Product Details: Gold Rays is the largest manufacturer of shower seals in China, supplying a complete lineup of seals and gaskets for shower doors, glass doors, and windows. Their products include adhesive seals, shower door sweeps, and other types of seals and gaskets designed to ensure water tightness and durability.
Pros:
– Wide range of products for various applications including shower doors, glass do…
– High-quality seals and gaskets to ensure water tightness and durability.
– Largest manufacturer in China, indicating significant production capacity and po…
Cons:
– Limited geographical presence, primarily based in China which might affect globa…
– No detailed information available on the website regarding the environmental imp…
Door Bottom Seal – China Manufacturers, Factory, Suppliers
Retractable door seal | online at Häfele China
Product Details: The retractable door seal is designed for mounting on DIN left hand and DIN right hand doors. It features a single-side release mechanism. Key specifications include a height of 34.00 mm and a maximum sealing height of 11.00 mm. The seal is made from materials suitable for its intended use, though specific material details are not provided in this source.
Pros:
– Suitable for both DIN left and DIN right hand doors, offering versatility in ins…
– Single-side release mechanism for easy operation.
– Designed to provide effective sealing with a maximum sealing height of 11.00 mm.
Cons:
– Specific material details are not provided, which might be a concern for users n…
– No additional features or certifications (such as soundproofing, smoke control,…
China Door Seals Manufacturers Suppliers Factory
Product Details: ERS Door Seals are self-adhesive and designed to improve household insulation. They are easy to install and come in various sizes.
Pros:
– Self-adhesive and easy to install
– Help improve household insulation
Cons:
– No specific cons mentioned on the webpage
– No detailed information on durability or long-term performance
China door rubber seal strip manufacturer
Product Details: The door rubber seal strip is made from EPDM solid rubber and sponge rubber. It includes a metal carrier insert, which can be either steel or wire. The temperature range for this product is -40°C to +120°C. The seal strip is available in various profiles such as U-type, D-type, and P-type.
Pros:
– Durable and resistant to a wide temperature range (-40°C to +120°C).
– Available in different profiles (U-type, D-type, P-type) to fit various applicat…
– Includes a metal carrier (steel or wire) for added strength and stability.
Cons:
– No specific information on the cons is provided in the source.
– Customization may require additional communication and potentially longer lead t…
China EPDM Black Edge Protector Strip, 20m x 15 mm …
Product Details: EPDM rubber seals are made from EPDM dense rubber/solid rubber, EPDM sponge rubber/foam rubber, or a combination of the two. They have a hardness range of 60-80 Shore A. These seals are widely used in wood windows and doors, aluminium systems for windows, doors and facades, and PVC windows and doors.
Pros:
– Water resistant and can withstand harsh weather conditions such as sleet and sno…
– Good electrical resistance and suitable for electrical insulation and gaskets.
– Resists polar solvents, acids, alkalies, and phosphate esters.
– Excellent resistance to steam and low and high temperatures.
– Comply with relevant regulations including RoHS and REACH.
Cons:
– May not be as flexible as some other materials like silicone in extreme temperat…
– While durable, they can still degrade over time if exposed to certain chemicals…
Intumescent Fire Door Seals Extruded EPDM Rubber …
Product Details: The Intumescent Fire Door Seals are made from a composition of expandible graphite and thermoplastic elements. These seals are designed to resist fire for 30 or 60 minutes, suitable for FD30 or FD60 fire doors. They can be fitted in the frame or the door leaf and include an integrated brush to hold back cold smoke. The seals expand when heated to seal around objects exposed to fire, preventing the passage of flames, hot smoke, and toxic gases. Available sizes range from 10-50mm in width and 1-5mm in thickness, with colors including red, brown, white, and black. The initial expansion
temperature is 199 ℃, and the main expansion temperature is 350 ℃, with a linear expansion ratio of ≥3 times.
Pros:
– Intumescent material expands when heated to seal around objects exposed to fire
– Smoke seal retards the spread of toxic by-products of combustion
– Documented aging properties
– Excellent flexibility for easy and cost-effective installation
– Low flame spread and smoke development
– Can be cut to required length
– Re-enterable (no special tools required)
– Low odor
Cons:
– Limited to specific fire door applications
– May not be suitable for environments requiring constant exposure to extreme temp…
– Not designed for applications involving exposure to petroleum-based oils and fue…
Comparison Table
| Company | Product Details | Pros | Cons | Website |
|---|---|---|---|---|
| Daoseal: Best manufacturer of door bottom seal in China | daoseal.com | |||
| China Window And Door Silicone Sealant | 100% silicone formula, 100% waterproof and weatherproof. Meets ASTM C-920 standards. Suitable for sealing areas around windows, doors, siding, trim, m… | – High-performance and durable – Resists mold and mildew growth – 40% more flexibility than Class 25 sealants – Low odor and neutral curing – Adheres… | – Non-paintable – Some users report difficulty in squeezing the tube and inconsistent product qual… – Priced higher than some comparable options | www.chinasealant.com |
| China Automatic Drop Down Door Bottom Seal Factory and … | The Automatic Drop Down Door Bottom Seal is a product offered by Gallford Sealing. It is designed to create a seal at the bottom of a door when it is… | – Efficient sealing against draughts, air infiltration, and dust – Available in various finishes and plunger options (copper, nickel, wan) – Global su… | – Limited specific technical details available on the webpage – No customer reviews or ratings provided on the site – Installation complexity may vary… | www.gallfordsealing.com |
| GoldRays: Shower Seals Manufacturer and Suppliers in … | Gold Rays is the largest manufacturer of shower seals in China, supplying a complete lineup of seals and gaskets for shower doors, glass doors, and wi… | – Wide range of products for various applications including shower doors, glass do… – High-quality seals and gaskets to ensure water tightness and d… | – Limited geographical presence, primarily based in China which might affect globa… – No detailed information available on the website regarding the… | goldrays.com |
| Door Bottom Seal – China Manufacturers, Factory, Suppliers | www.gallfordsealing.com | |||
| Retractable door seal | online at Häfele China | The retractable door seal is designed for mounting on DIN left hand and DIN right hand doors. It features a single-side release mechanism. Key specifi… | – Suitable for both DIN left and DIN right hand doors, offering versatility in ins… – Single-side release mechanism for easy operation. – Designed t… | – Specific material details are not provided, which might be a concern for users n… – No additional features or certifications (such as soundproofin… |
| China Door Seals Manufacturers Suppliers Factory | ERS Door Seals are self-adhesive and designed to improve household insulation. They are easy to install and come in various sizes. | – Self-adhesive and easy to install – Help improve household insulation | – No specific cons mentioned on the webpage – No detailed information on durability or long-term performance | www.ers-techs.com |
| China door rubber seal strip manufacturer | The door rubber seal strip is made from EPDM solid rubber and sponge rubber. It includes a metal carrier insert, which can be either steel or wire. Th… | – Durable and resistant to a wide temperature range (-40°C to +120°C). – Available in different profiles (U-type, D-type, P-type) to fit various appli… | – No specific information on the cons is provided in the source. – Customization may require additional communication and potentially longer lead t… | www.hbkinglin.com |
| China EPDM Black Edge Protector Strip, 20m x 15 mm … | EPDM rubber seals are made from EPDM dense rubber/solid rubber, EPDM sponge rubber/foam rubber, or a combination of the two. They have a hardness rang… | – Water resistant and can withstand harsh weather conditions such as sleet and sno… – Good electrical resistance and suitable for electrical insulat… | – May not be as flexible as some other materials like silicone in extreme temperat… – While durable, they can still degrade over time if exposed to… | www.shidarubber.com |
| Intumescent Fire Door Seals Extruded EPDM Rubber … | The Intumescent Fire Door Seals are made from a composition of expandible graphite and thermoplastic elements. These seals are designed to resist fire… | – Intumescent material expands when heated to seal around objects exposed to fire – Smoke seal retards the spread of toxic by-products of combustion -… | – Limited to specific fire door applications – May not be suitable for environments requiring constant exposure to extreme temp… – Not designed for… | www.tradekorea.com |
Frequently Asked Questions (FAQs)
What types of materials are commonly used in door sealants manufactured in China?
Door sealants in China are often made from a variety of materials, including clear PVC, EVA, polycarbonate, rubber (such as EPDM, Neoprene, and Silicone), and sometimes foam profiles. These materials are chosen for their durability, transparency, and ability to prevent water leakage, air infiltration, and cushion impact.
How do Chinese door sealant manufacturers ensure quality and durability?
Chinese door sealant manufacturers, such as GoldRays and Hebei Shida Seal Group, employ high-standard quality control systems. They use advanced manufacturing techniques, including microwave and hot air curing for rubber products, and have certifications like IATF 16949:2016. This ensures the products meet or exceed industry standards in terms of durability and performance.
What are the typical applications of door sealants produced in China?
Door sealants from China are used in a wide range of applications, including shower doors, glass doors, windows, and various types of interior and exterior doors. They are designed to work with straight, curved, pivot, and sliding doors, and are also used in automotive, medical, and appliance industries for sealing and gasketing needs.
Can Chinese door sealant manufacturers customize products according to specific requirements?
Yes, many Chinese door sealant manufacturers offer customization options. Companies like Hebei Shida Seal Group and Daoseal can produce custom extruded rubber products in different shapes and sizes, and can also provide additional services such as lamination, slitting, and printing logos or part numbers on the extruded parts.
How do Chinese door sealant manufacturers support international customers and ensure timely delivery?
Chinese door sealant manufacturers often have extensive experience in exporting products and provide excellent support for international customers. They offer services like design assistance, free quotes, and expert advice. Companies like Daoseal and GoldRays ensure fast shipping and respond to inquiries within a short period, usually within 12 working hours, to facilitate smooth and efficient transactions.