What's your warranty/after-sales policy?

Quality Guarantee: 12 months from production date. Non-conforming products: Replacement or refund upon verification. Technical support: Dedicated team for application guidance.

Can you customize sealant formulas?

Absolutely! We specialize in tailored solutions (color, viscosity, curing time, etc.). Share your specs for a quote.

How do I track my order?

You'll receive real-time updates, including: Production schedule, Shipping documents (BL, packing list), Logistics tracking number.

What markets do you serve?

We export to America, Europe, Africa, and Asia, complying with international standards (ISO, ASTM, etc).

High-Performance Weatherproof Silicone Sealant for Windows & Doors

Name: High-Performance Weatherproof Silicone Sealant for Windows & Doors
Brand: Qingdao Topsen Sealant Co., Ltd.
SKU: 1980123101

Shandong, ChinaQingdao Topsen Sealant Co., Ltd.

US$0.62

2,400-47,999 Pieces

US$0.58

48,000-479,999 Pieces

US$0.51

480,000+ Pieces

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Application

Construction, Fiber & Garment, Footwear & Leather, Packing, Woodworking

Bonding Function

Instant Adhesive

Model NO.

680

Color

Clear, White, Black, Grey or as Request

Composition

Organic Material

Morphology

Paste

Type

Non Corrosive Neutral, Multi Purpose

Main Application

Building Exterior Weatherproof Sealing

Shelf Life

12 Months

MOQ

1 Carton (Not OEM)

Usage Temperature

+5℃~+40℃

Working Temperature

-40℃~+150℃

Standard

GB16776-2005

Customized Logo

Yes

Customized Color

Yes

Free Testing Samples

Yes

Production Lead Time

1 Week

Payment Term

T/T, L/C, Paypal...

Transport Package

24PCS/Carton, 20PCS/Carton

Specification

280ml/300ml/590ml/190L

Trademark

Topsen or customized

Origin

Shandong, China

HS Code

35061000

Production Capacity

50000PCS/Day

Key features

Neutral Cure Formula: Non-corrosive to sensitive materials like marble, aluminum, and mirrors with low odor.

Strong Adhesion: Excellent bonding to glass, ceramic, aluminum, metals, tiles, and most construction materials.

Customizable Colors: Available in White, Clear, Black, Grey with full color customization options.

Anti-Mildew Performance: Ideal for kitchens, bathrooms, and humid environments to prevent mold growth.

Weatherproof & UV Resistant: Maintains elasticity and durability under extreme outdoor conditions and UV exposure.

OEM/ODM Services: Offers custom packaging, private label printing, and formula adjustments.

Fast Skin Time: Easy application with 10-20 minutes skin time for efficient caulking.

Company profile

High Repeat Buyers ChoiceExhibition ExperienceIn-stock CapacityFast Delivery

Qingdao Topsen Sealant Co., Ltd.

Shandong, China

Business Type: Manufacturer/FactoryExport Year: 2014-04-05Average Response Time: ≤0.54hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, EXW, CIF

AI-Powered supplier vetting

SummaryQingdao Topsen Sealant Co., Ltd. is identified as a China-based manufacturer/factory and limited company. It reports ISO 14001, ISO 9001, and HSE management-system certifications, operates nine production lines, and has 50 quality-control staff according to one data slice. The supplier provides whole-process technical support, including drawing review, testing, construction guidance, training, follow-up, and after-sales technical visits. It reports new-product development, ODM, and OEM capabilities, as well as multiple customization options. However, the records contain material inconsistencies: one slice states 11–20 total R&D-engineer experience and another states one R&D engineer; another reports only two total employees and zero quality-control test equipment. Financial records are represented only by years, without evaluable financial results. Customer complaint procedures and supplier-service procedures are documented, but customer cases are not specifically identified.

Supplier typeThe supplier is explicitly classified as a Manufacturer/Factory and a Limited Company, located in Qingdao, Shandong, China. It is also reported as independent of a larger company group and holds an import/export license.

CertificationsThe supplier reports ISO 14001, ISO 9001, and HSE certification or management-system holdings. These are explicit certifications listed in the supplier information, although no certificate scope or validity details are provided.

After-Sales capabilityThe supplier describes after-sales technical return visits and whole-process service, while service capability is supported by written procedures, followed records, an approved-supplier list, and corrective/preventive-action procedures. It also reports a documented customer-complaint process.

R&D capabilityThe supplier identifies itself as a professional technical supplier, reports new products during the past year, and offers ODM services. However, it has no SDK, does not provide 3D software design, and the R&D staffing information is inconsistent: one record states one R&D engineer while another states 11–20 years of total R&D-engineer experience.

Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, and flexible customization. ODM and OEM services are also reported, supporting a broad stated customization scope, although 3D software design is not available.

Product Q&A

Q:What is your minimum order quantity (MOQ)?

NO MOQ for our standard packaging. MOQ for your private label customize packaging is negotiable. And we offer total free design service.

Q:What is your lead time for orders?

Standard products: 3-7 days after order confirmation. Custom packing: 15-25 days (depending on requirements). Expedited production available upon request.

Q:What payment terms do you accept?

T/T (Bank Transfer): 30% deposit, 70% balance before shipment.

Q:Do you provide samples?

Yes! Free samples are available for evaluation (customers cover shipping costs).

Q:How do you handle shipping and logistics?

We work with FOB, CIF, DDU, DDP or EXW terms and partner with reliable global freight forwarders. Destination port/customs clearance support provided for some ports.