Premium Performance Neutral Silicone Sealant for Building Gap Filling and Construction Sealing

• Customization: Available
• Adhesion Strength: High Strength
• Applicable Materials: General Purpose
• Model NO.: 680
• Chemical Properties: Mildew Proof, Moisture Resistant, Waterproof
• Curing Time: 24-48 Hours
• Flexibility: Flexible
• Usage: Construction, Industrial Manufacturing, Transportation
• Type: Non Corrosive Neutral, Structural Bonding
• Main Application: Building Exterior Weatherproof Sealing
• Shelf Life: 12 Months
• 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
• Payment Term: T/T, L/C, Paypal...
• Transport Package: 24PCS/Carton, 20PCS/Carton
• Specification: 280ml/300ml/590ml/190L
• Trademark: Jinguiyuan, Topsen or customized
• Origin: Shandong, China
• HS Code: 35061000
• Production Capacity: 50000PCS/Day
• Package Size: 30.00cm * 20.00cm * 25.00cm
• Package Gross Weight: 12.000kg

Product Description

Topsen 680 Multi-purpose Exterior Weatherproofing Silicone Sealant

Topsen 680 Multi-purpose Weatherproofing Silicone Sealant, a versatile and high-performance solution for sealing, bonding, and weatherproofing applications in both outdoor and indoor environments. This premium-grade silicone sealant is designed to provide long-lasting protection against moisture, air, and temperature fluctuations, ensuring a reliable and durable seal for a wide range of materials and surfaces.

Model	680
Type	Neutral weatherproof silicone sealant
Packing	280ml/300ml cartridge, 590ml sausage, 190L drum
Color	Clear, White, Black, Customized
OEM	Free design service, MOQ of 500 cartons
Resistance Temperature	-40ºC~150ºC
Shelf Life	12 months (Store in a cool and dry place below 27°C)

From sealing gaps around windows and doors to waterproofing bathroom fixtures and kitchen countertops, Topsen 680 Multi-purpose Weatherproofing Silicone Sealant is the ideal choice for achieving a professional and durable seal that enhances the performance and appearance of your home or building.

Topsen Sealant: Your Expert Partner in Sealant Solutions

Qingdao Topsen Sealant Co., Ltd. is a leading sealant manufacturer and supplier based in China, specializing in the research, development, and production of high-performance sealants and adhesives.

• Daily Capacity: 50,000+ cartridges

• OEM/ODM: full customization for formula, color, packaging & brand

• Professional QC System with every batch inspected

• Fast delivery for bulk orders

• Support third-party inspection (SGS / BV / TUV)

Topsen Services

Last Updated: January 7, 2026

1. What is your minimum order quantity (MOQ)?
Our standard MOQ is 500 boxes (negotiable), 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.).

 

Ready to build your own brand of high-quality silicone sealants?

Contact us today to request free samples and discuss your OEM/ODM requirements!