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| Customization: | Available |
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| Application: | Automobile, Construction, Fiber & Garment, Footwear & Leather, Packing, Woodworking |
| Bonding Function: | Structural Adhesive |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
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| Support payments in USD |
| Secure payments: | Every payment you make on Made-in-China.com is protected by the platform. |
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| Refund policy: | Claim a refund if your order doesn't ship, is missing, or arrives with product issues. |
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Suppliers with verified business licenses
Audited Supplier Audited by an independent third-party inspection agency
| Product | Advanced Acetic Silicone Sealant |
| Model No. | 517 |
| Type | Acetic Curing, fast set, 5-15 minutes sking time, 24 hours fully cure |
| Quality guaranteed | 10-year minimum (support OEM) |
| 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 |
Acetic Silicone Sealant
| 7132 | 520 | 517 | 516 |
| For bonding of sealing aquarium, fish tanks, large plate glass | For bonding of large plate glass, and other materials | For bonding of high-end glass, and other materials | Economic choice for general-purpose usage |
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Neutral Silicone Sealant (structural silicone sealant & weatherproof silicone sealant)
| 8800/8200 | 995/680 | 6200/793 |
| Curtain wall/ facade grade | Sunroom grade | Window & Door grade |
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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)?
Our standard MOQ is 500 boxes, but we offer flexible options for long-term partners. Contact us for small-quantity inquiries.
2. 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.
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.).
Last Update: December 15, 2025
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