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.).

Topsen 620 Neutral Curing General Purpose Gp Decoration Sealing Silicone

Name: Topsen 620 Neutral Curing General Purpose Gp Decoration Sealing Silicone
Brand: Qingdao Topsen Sealant Co., Ltd.
SKU: 1916573086

Shandong, ChinaQingdao Topsen Sealant Co., Ltd.

US$0.42-0.55

1,440 Pieces

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Adhesion Strength

Medium Strength

Applicable Materials

General Purpose

Model NO.

620

Chemical Properties

Mildew Proof, Moisture Resistant, Waterproof, Weatherproof

Curing Time

24-48 Hours

Flexibility

Flexible

Usage

Construction

Type

Non Corrosive Neutral, General Purpose

MOQ

1 Carton (Not OEM)

Main Usage

Windows & Doors

Usage Temperature

+5℃~+40℃

Working Temperature

-40℃~+150℃

Shelf Life

12 Months

Customize Packaging

Yes

Standard

GB16776-2005

Free Samples

Yes

Production Lead Time

2~3 Days (Not OEM)

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 Curing Formula: Non-corrosive to most substrates except copper, safe for general building materials.

Mildew Proof Performance: Provides weatherproof protection and resists mold growth in various environments.

Fast Curing & High Elasticity: Cures quickly at room temperature with high hardness and strong elasticity.

Customizable Colors: Available in Clear, Black, White, Gray, or customized colors upon request.

Flexible Packaging Options: Offered in 280ml, 300ml, 590ml cartridges, 190L barrels, and customized sizes.

Free Sample Availability: Free samples provided for evaluation (customer covers shipping costs).

Third-Party Inspection: Supports third-party inspection to ensure product quality and compliance.

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: ≤1.39hTerms 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 standard packing. MOQ for customized is negotiable.

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, or EXW terms and partner with reliable global freight forwarders. Destination port/customs clearance support provided for some ports.