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 516 Fast-Cure Acidic Silicone Adhesive for General-Purpose Bonding

Name: Topsen 516 Fast-Cure Acidic Silicone Adhesive for General-Purpose Bonding
Brand: Qingdao Topsen Sealant Co., Ltd.
SKU: 2124173242

Shandong, ChinaQingdao Topsen Sealant Co., Ltd.

US$0.55-0.65

1 Piece

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Capacity

300ml

Color

Transparent

Model NO.

516

Drying Time

24 Hours

Material

Silicone

Usage

Construction, Home Improvement

Type

Fast Curing Acetoxy

Main Application

General Sealing and Bonding

Shelf Life

12 Months

MOQ

1 Carton (Not OEM)

Usage Temperature

+5ºC~+40ºC

Working Temperature

-40ºC~+150ºC

Standard

GB16776-2005

Customized Logo

Yes

Customized Color

Yes

Free Testing Samples

Yes

Production Lead Time

1 Week

Transport Package

24PCS/Carton

Specification

280ml/300ml/Cartridge

Trademark

Topsen or customized

Origin

Shandong, China

HS Code

35061000

Production Capacity

50000PCS/Day

Key features

Fast Curing Technology: Surface sets in 8-15 minutes with full cure in 24 hours for efficient project completion.

Strong Adhesion Performance: Provides reliable bonds to glass, ceramics, metals, and plastics with 0.4 MPa tensile strength.

Customized Color Options: Available in Clear, White, Black, and fully customized colors to match brand requirements.

100% Waterproof Seal: Creates permanent watertight seals ideal for bathrooms, kitchens, and exterior applications.

Flexible and Durable: Moves with structures to prevent cracks, resisting aging, weathering, and UV exposure.

OEM/ODM Customization: Offers custom packaging, labeling, and logo printing for private label brands.

Versatile Application: Perfect for glass bonding, interior decoration, and sealing bathroom fixtures like sinks.

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: ≤1.27hTerms 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 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.

Q: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.