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| Customization: | Available |
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| Material: | Organic Silicone |
| Application: | Household, Medical, Industrial, Agricultural |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
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TOPSEN 517 is a one-component, acidic curing silicone sealant. It cures by absorbing atmospheric moisture to form a flexible and durable elastomeric sealant, widely used in construction & home decoration for joint adhesion and sealing where a high-quality sealant is needed.
| Product | Advanced Acetic Silicone Sealant |
| Model No. | 517 |
| Type | Acetic Curing |
| Curing time | 8-15 minutes skin time, 24 hours fully cure (depending on termperature) |
| 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 from the date of manufacture |
| Features |
1. Never turn white; 2. Fast curing speed, durable seal; 3. Good adhesion and compatibility to most building materials; 4. Excellent weather ability and high resistance to UV radiation, heat, humidity, ozone, and high temperature; 5. The formed silicone rubber maintains excellent properties in the temperature range of -40ºC to +150ºC. |
| Application | Calking and Sealing of doors and windows, bonding of no-corrosion building materials |
| Acetic General Silicone Sealant | ||||
| Performance | Standard | Measured Value | Testing Method | |
| Test at 50±5% RH and temperature 23±2ºC | ||||
| Density (g/cm³) | ±0.1 | 0.97 | GB/T 13477 | |
| Tack-free Time (min) | ≤180 | 10 | GB/T 13477 | |
| Extrusion g/5S | ≥40 | 102 | GB/T 13477 | |
| Tensile Modulus (Mpa) | 23ºC | ≤0.4 | 0.28 | GB/T 13477 |
| -20ºC | or ≤0.6 | 0.3 | ||
| 105ºC loss, 24hr % | / | 55 | GB/T 13477 | |
| Slumpability (mm) Vertical | ≤3 | 0 | GB/T 13477 | |
| Slumpability (mm) Horizontal | 0 | 0 | GB/T 13477 | |
| Curing Speed (mm/d) | 2 | 2.5 | / | |
| As Cured-after 21 days at 50±5% RH and Temperature 23±2ºC | ||||
| Hardness (Shore A) | 20-60 | 26 | GB/T 531 | |
| Tensile Strength under Standard Conditions (Mpa) | / | 0.12 | GB/T 13477 | |
| Elongation of Rupture (%) | / | 500 | GB/T 13477 | |
| Movement Capability (%) | 12.5 | 12.5 | GB/T 13477 | |
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 12, 2025
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