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.).

Bulk Supply Weatherproof Silicone Sealant for Building Projects

Name: Bulk Supply Weatherproof Silicone Sealant for Building Projects
Brand: Qingdao Topsen Sealant Co., Ltd.
SKU: 2165210342

Shandong, ChinaQingdao Topsen Sealant Co., Ltd.

US$0.60-0.80

1 Piece

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

Main Application

Building Exterior Weatherproof Sealing

Shelf Life

12 Months

Quality Guaranteed Period

10 Years and Above

MOQ

1 Carton (Not OEM)

Usage Temperature

+5℃~+40℃

Working Temperature

-40℃~+150℃

Customized Logo

Yes

Customized Color

Yes

Free Testing Samples

Yes

Production Lead Time

1 Week

Payment Term

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

Standard

GB16776-2005

Transport Package

24PCS/Carton, 20PCS/Carton

Specification

280ml/300ml/590ml, 200L/drum

Trademark

Topsen or customized

Origin

Shandong, China

HS Code

35061000

Production Capacity

50000PCS/Day

Key features

Ultra-High Elasticity: Elongation up to 600% ensures stable sealing under extreme temperature changes without cracking.

156 Color Options: Extensive palette including RAL/Pantone matching for architectural and decorative projects.

Customized Logo & Color: Supports custom logo printing and specific color requirements for branding and design.

Excellent Weather Resistance: UV, temperature, and anti-aging resistant for long-term indoor and outdoor durability.

Multi-Purpose Application: Suitable for glass, aluminum, ceramic, concrete, and wood in various construction projects.

Free Testing Samples: Customers can request free samples for evaluation (shipping costs covered by customer).

Fast Lead Time: Standard products available within 3-5 days; custom packing in 15-25 days.

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)?

Our standard MOQ is 500 boxes (negotiable), but we offer flexible options for long-term partners. Contact us for small-quantity inquiries.

Q:What is your lead time for orders?

Standard products: 3-5 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, or EXW terms and partner with reliable global freight forwarders. Destination port/customs clearance support provided for some ports.