Topsen 19 Years Manufacturer Acidic Waterproof 300ml Multi-Surface Silicone Sealant
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Product Highlights
- Versatile Application: Suitable for interior and exterior use with excellent adhesion and durability.
- Weather Resistance: Superior waterproofing, weather resistance, and UV protection for long-term sealing.
- Customizable Colors: Available in Clear, Black, White, Gray, or customized colors upon request.
- Fast Curing Formula: Acetic curing type designed for fast curing and efficient project completion.
- Flexible Packaging: Offered in 280ml, 300ml, or Cartridge formats with 24pcs per carton.
- No MOQ for Standard: No minimum order quantity required for standard packing options.
- 12 Months Warranty: Comprehensive 12-month warranty covering quality and non-conforming products.
Product Attributes
- Customization
- Available
- After-sales Service
- Online Support
- Warranty
- 12 Months
- Model NO.
- 516
- Type
- Fast Curing Acetic, General Purpose
- Shelf Life
- 12 Months
- MOQ
- No MOQ for Standard Packing
- Usage Temperature
- +5ºC~+40ºC
- Working Temperature
- -40ºC~+150ºC
- OEM/ODM Service
- Yes
- Standard
- GB/T14683-2003
- Payment Term
- T/T or L/C
- Shipment Date
- 2~3 Days (Not OEM)
- Loading Port
- Qingdao, China
- Transport Package
- 24PCS/Carton
- Specification
- 280ml/300ml/Cartridge
- Trademark
- Topsen or customized
- Origin
- Shandong, China
- HS Code
- 35061000
- Production Capacity
- 50000PCS/Day
- Package Size
- 30.00cm * 20.00cm * 25.00cm
- Package Gross Weight
- 8.000kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
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Product Description

Topsen 516 is a high-performance silicone sealant specifically designed for versatile applications. Whether for interior or exterior use, it provides excellent adhesion, flexibility, and durability. This product is suitable for sealing and bonding in various construction environments, offering superior waterproofing, weather resistance, and UV protection. Topsen 516 is the ideal solution for projects requiring reliable long-term sealing performance. Perfect for curtain walls, general decoration, and outdoor applications, it ensures strong protection against environmental factors.
| Product | General Purpose Acetic Silicone Sealant |
| Model No. | 516 |
| Type | Acetic Curing, Fast Curing, Weatherproof Sealing |
| Color | Clear, Black, White, Gray or as customized |
| Usage temperature | +5ºC~+40ºC |
| Applicated temperature | -40ºC~+150°ºC |
| Packing | 280ml/300ml/Cartridge, 24pcs/Carton |
| Shelf life | 12 months |

How to Use:
-Clean the surface to remove dust, oil, moisture, and loose materials.
-Apply masking tape if necessary to ensure clean edges.
-Cut the nozzle at an angle and load the sealant into a standard caulking gun.
-Apply the sealant evenly.
-Smooth the surface within 5 minutes using a spatula or tool.
-Remove masking tape before the sealant starts curing.
Limitations:
-Not suitable for structural glazing
-Not recommended for surfaces that bleed oils or solvents
-Do not apply to wet, frosty, or oily surfaces
-Not suitable for copper, lead, galvanized steel, or other corrosion-prone materials
-Not for use in areas with long-term water immersion
-Cannot be painted
-18 years of manufacturing experience since 2007
-Exported to more than 50 countries
-Complete range of sealants for various applications
-Stable supply, flexible production, and strong technical support
-Dedicated to long-term business partnerships







As a trusted sealant supplier, Topsen is dedicated to delivering exceptional service to our valued customers:
-
Premium Quality: Topsen supplies top-tier silicone sealants that consistently meet industry standards and exceed customer expectations.
-
Diverse Product Range: We offer a comprehensive selection of silicone sealants tailored for various applications, including high-strength acetoxy, neutral cure, and specialized sealants.
-
Expert Technical Support: Our team provides expert guidance on product selection, application techniques, and troubleshooting to ensure optimal results.
-
Tailored Solutions: We offer customization options to meet specific customer needs, such as custom colors, viscosities, or curing times.
-
Training and Education: We conduct training sessions and workshops to educate customers on the proper use of silicone sealants, safety protocols, and best practices.
-
Prompt and Reliable Delivery: We prioritize fast, dependable delivery to meet your deadlines, with express shipping options available for urgent orders.
-
Consistent Stock Availability: We maintain sufficient inventory levels to prevent delays in order fulfillment.
1. What is your minimum order quantity (MOQ)?
NO MOQ for standard packing. MOQ for customized is negotiable.2. 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.
3. What payment terms do you accept?
T/T (Bank Transfer): 30% deposit, 70% balance before shipment.
4. Do you provide samples?
Yes! Free samples are available for evaluation (customers cover shipping costs).
5. 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.
6. 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.
7. Can you customize sealant formulas?
Absolutely! We specialize in tailored solutions (color, viscosity, curing time, etc.). Share your specs for a quote.
8. How do I track my order?
You'll receive real-time updates, including:
Production schedule
Shipping documents (BL, packing list)
Logistics tracking number
9. What markets do you serve?
We export to America, Europe, Africa, and Asia, complying with international standards (ISO, ASTM, etc.).


About the Supplier
This supplier has been audited by BV. Verify the report on the official BV website with ID "MIC-ASR265703". Items marked "" are certified.
Company Profile
Founded in 2007, Topsen Jinguiyuan has become the top 3 silicone sealant brand in China. Our main products include high-quality structural silicone sealant, weatherproof silicone sealant, acrylic silicone sealant, neutral silicone sealant, stone silicone sealant, and aquarium sealant, etc.
Certificated by the 'China Building Materials Product Quality Certification Center' and 'China Building Metal Structure Association', all our products comply with ISO 9001: 2015 International Management System and ISO 14001 Environmental Management System. Based on over 10 years of export experience, our sealants managed to meet the international standards for various regions such as Europe, North America, South America, Southeast Asia, the Middle East, and so on.
TOPSEN engages in the research and establishment of new technical services. At the same time, we offer customers whole-process systematic solutions and technical service in terms of drawing design and examination, related tests of early-stage, construction guidance, technical training and communication, whole-process follow-up, guidance and service during sale, and after-sales technical return visit.
TOPSEN promises to work with you to beautify the city and March toward a brilliant future and an outstanding life. Hope you would have a wonderful experience using our product.
About Our Factory & Business Background
- Address
- No. 182 Haier Road, Qingdao, Shandong, China
- Terms of Payment
- LC, T/T, PayPal, Western Union
- International Commercial Terms(Incoterms)
- FOB, EXW, CIF
- Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays
Our Production Capability & Technical Expertise
Our Industry Experience & Global Business Record
- Export Year
- 2014-04-05
- Main Markets
- South America, Eastern Europe, Southeast Asia, Africa, Mid East, Eastern Asia
FAQ
- What is your minimum order quantity (MOQ)?
- NO MOQ for standard packing. MOQ for customized is negotiable.
- 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.
- What payment terms do you accept?
- T/T (Bank Transfer): 30% deposit, 70% balance before shipment.
- Do you provide samples?
- Yes! Free samples are available for evaluation (customers cover shipping costs).
- 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.
- 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).
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