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Neutral General Purpose Silicone Sealant
US$0.80-2.45
1,000 Pieces
Sample price:US$1.00/piece.Request sample
Product profile
Customization
AvailableApplication
Automobile, Footwear & LeatherBonding Function
Bonding and SealingModel NO.
FBSX seriesColor
White, Clear, Black, etcComposition
SiliconeMorphology
GelSize
260ml, 280ml.300ml/PCPackage
24PCS/CTNMeas
28.2X19.5X23.5cmShelf Life
12 MonthsMaterial
SiliconeClassification
Room CuringCharacteristic
WeatherabilityPromoter Composition
Curing AgentMain Agent Composition
SiliconeTransport Package
300ml/PC, 24PCS/CTNSpecification
SGS. GMP, ISOTrademark
FIRM BONDOrigin
ChinaHS Code
35061000Production Capacity
1000ctns/DayKey features
Excellent Weatherability: High-grade neutral cured silicone sealant with superior resistance to weathering and UV.
Long Service Life: Good aging-resistant ability ensures a service life of at least 10 years.
Strong Adhesion: Perfect adhesion to glass, stone, metal, wood, ceramics, and painted aluminum without primer.
Versatile Application: Ideal for curtain walls, doors, windows, and bonding various building materials.
Easy to Use: Single-component RTV gel that is easy to extrude and apply with no primer required.
Customizable Options: Available in multiple colors and sizes with OEM/ODM services for private labeling.
Professional Manufacturer: Factory with 20+ years history, 10 automatic lines, and two production bases in China.
Competitive Pricing: Stable quality and competitive prices supported by direct manufacturing and sourcing solutions.
Company profile

Business Type: Manufacturer/Factory, Group CorporationExport Year: 2013-07-10Nearest Port: Qingdao, GuangzhouAverage Response Time: ≤18hTerms of Payment: LC, T/T, Western UnionInternational Commercial Terms(Incoterms): FOB, CFR, CIF, FCA, EXW
AI-Powered supplier vetting
SummaryChangsha Firm Bond New Material Co., Ltd. is identified as a China-based manufacturer/factory and group corporation specializing in polyurethane foam, silicone sealant, adhesives, and related products. The supplier reports ISO 9001 certification, more than 10 production lines, 11–20 R&D engineers, 11–20 quality-control staff, and annual polyurethane foam output of 40,000,000 pieces. It states that production began more than 20 years ago and exporting began in 2013. The supplier offers OEM, private-label, and ODM services, and describes one-stop sourcing, technical support, and after-sales service. However, the available trade records show only one transaction associated with each of two buyer entries, so customer-case depth and commercial track record cannot be fully established. The records also show differing locations for the company and production facilities, which may reflect separate administrative and manufacturing sites.
Supplier typeThe supplier is identified as a manufacturer/factory and group corporation, while its company nature is also recorded as a trading company. It has a registered company address in Changsha and reported production bases in Linyi and Foshan, indicating a mixed manufacturing and trading structure with multiple locations.
CertificationsThe supplier explicitly reports holding ISO 9001 certification for its management systems. This provides direct evidence of a formal quality-management certification.
After-Sales capabilityThe supplier states that it provides thoughtful after-sale service and one-stop sourcing support for adhesive and sealant products. The information demonstrates a stated service commitment, but does not detail response procedures, service coverage, or performance metrics.
R&D capabilityThe supplier describes innovation as a continuing focus and reports 11–20 R&D engineers. It also states that its factory has produced polyurethane foam for more than 20 years, supporting established technical experience, although no specific patents, new product launches, or measurable innovation outcomes are provided.
Production capacityThe supplier reports more than 10 production lines, annual polyurethane foam output of 40,000,000 pieces, and two production bases for polyurethane foam and silicone sealant. It also describes 10 automatic production lines and in-house iron-can printing and production, providing explicit evidence of substantial manufacturing infrastructure.
Customization capabilityThe supplier explicitly offers OEM, private-label, and ODM services according to customer requests and samples. This directly supports the ability to provide customized products and branding solutions.
Product Q&A
Q:What is the minimum order quantity (MOQ)?
A:
The MOQ is 100 cartons for our brand and 300 cartons for custom brands.
Q:What certificates are required for import?
A:
The basic certificate for importing silicone sealant is MSDS.
Q:How to judge the quality of silicone sealant?
A:
Good quality is indicated by flexibility after curing, clean color, strong adhesion to substrates, and no cracks.
Q:Is primer required for application?
A:
No primer is required, as the sealant has excellent adhesion to painted aluminum, concrete, and other materials.
Q:What is the average lead time for delivery?
A:
Peak season lead time is one month, while off-season lead time is within 15 workdays.
Send Inquiry
*To:
Changsha Firm Bond New Material Co., Ltd.
Changsha Firm Bond New Material Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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