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Neutral Weatherability Silicone Sealant 240ml 300ml
US$0.70-1.45
2,400 Pieces
Sample price:US$1.00/piece.Request sample
Product profile
Customization
AvailableCapacity
300mlMaterial
Silicone, Silicone RubberModel NO.
FBSH seriesSize
260ml, 280ml.300ml/PCPackage
24PCS/CTNMeas
28.2X19.5X23.5cmShelf Life
9-12 MonthsRaw Material
SiliconeAppearance
GelForm
GelType
Silicone SealantSeal Tape Kind
High Density Colored PTFE TapesSeal Tape Usage
EngineeringState
Dynamic SealMildew Proof
Not Mildew ProofBonding Material
GlassTransport Package
300ml/PC, 24PCS/CTNSpecification
SGS. GMP, ISOTrademark
FIRM BONDOrigin
ChinaHS Code
35061000Production Capacity
1000ctns/DayKey features
Excellent Weatherability: Single-component neutral cured sealant with superior resistance to aging and UV, ensuring long-term durability.
Versatile Adhesion: Strong bonding to glass, stone, aluminum, wood, ceramics, and metals without requiring a primer.
Long Service Life: Designed for extended performance with a guaranteed service life of at least 10 years.
Non-Sagging Formula: Low shrinkage and non-sagging properties allow for easy application on vertical surfaces and joints.
Custom Packaging Options: Available in 260ml, 280ml, and 300ml sizes with customizable packaging configurations.
OEM/ODM Service: Manufacturer offers private label and ODM services to meet specific customer requirements.
Professional Manufacturer: Backed by 20+ years of production history with 10 automatic lines and strict quality control.
Wide Application Scope: Ideal for curtain walls, doors, windows, and sealing various building materials in construction.
Company profile

Business Type: Manufacturer/Factory, Group CorporationExport Year: 2013-07-10Nearest Port: Qingdao, GuangzhouAverage Response Time: ≤11.60hTerms 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?
A:
The MOQ is 100 cartons for our brand and 300 cartons for custom brands.
Q:What are the suitable application scenarios?
A:
It is mainly used for weather-resistance sealing of glass, stone, and aluminum curtain walls, as well as assembling doors and windows.
Q:Is this sealant suitable for structural glazing?
A:
No, it is not suitable for structural glazing applications or surfaces with grease, plasticizers, or organic solvents.
Q:What certificates are required for import?
A:
The basic certificate for import silicone sealant is MSDS.
Q:Can I get samples before ordering?
A:
Yes, please tell us your purpose for using the silicone, and we will recommend a suitable product and send samples.
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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