What is the storage condition and shelf life?

Store at 5-27 degree Celsius with relative humidity below 50%. Shelf life is 9 or 12 months since production date.

What are the payment terms?

We accept LC, T/T, and Western Union.

What is the lead time for production?

Peak season lead time is one month, and off-season lead time is within 15 workdays.

Best Selling High Quality Silicone Sealant Drying Time

Name: Best Selling High Quality Silicone Sealant Drying Time
Brand: Changsha Firm Bond New Material Co., Ltd.
SKU: 690854371

Hunan, ChinaChangsha Firm Bond New Material Co., Ltd.

Negotiable

2,400 Pieces

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Application

Automobile, Construction

Bonding Function

Sealing and Bonding

Model NO.

FBNH90

Color

Clear, Black, Milk, White

Composition

Silicone

Morphology

Gel

Size

300ml/PC

Function

Glass/Stone/Aluminum Curtain Wall

Package

24PCS/CTN

Meas

28.2X19.5X23.5cm

Shelf Life

12 Months

Character

One Component

Material

Silicone

Classification

Room Curing

Characteristic

Weatherability

Promoter Composition

Curing Agent

Main Agent Composition

Silicone

Transport Package

300ml/PC, 24PCS/CTN

Specification

SGS. GMP, ISO

Trademark

FIRM BOND

Origin

China

HS Code

35061000

Production Capacity

20000PCS/Day

Key features

Neutral Room Temp Curing: One component, neutral, room temperature quick curing with good bonding.

Wide Temperature Resistance: Stable performance under temperature -40 to 100 degree Celsius.

High Extrusion Property: Extrusion property greater than or equal to 80 ml/min, test result 530.

Fast Surface Curing: Surface curing time less than or equal to 3 hours, test result 0.7.

Versatile Application: Sealing and bonding for aluminium, plastic, glass, marble, and curtain walls.

Customizable Colors: Available in Clear, Black, Milk White, Silver Grey upon customer request.

Long Shelf Life: Shelf life of 9 or 12 months since production date when stored properly.

Quality Assurance: Meets BF20HM GB/T14683-2003 testing standard with no distortion or damage.

Company profile

Changsha Firm Bond New Material Co., Ltd.

Hunan, China

Business Type: Manufacturer/Factory, Group CorporationExport Year: 2013-07-10Nearest Port: Qingdao, GuangzhouAverage Response Time: ≤15hTerms 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:How to choose the right silicone sealant?

Choose based on environment: general purpose for glass/windows, structural for high movement, weatherproof for outdoors, anti-fungus for kitchen/bathroom, and neutral for most building materials.

Q:How to judge the quality of silicone sealant?

After curing, good quality is indicated by flexibility, clean color, strong adhesion to substrates, and no cracks.

Q:How to get samples?

Tell us your purpose for the silicone used, and we will recommend the suitable one and send you samples.

Q:What is the basic certificate for import silicone sealant?

MSDS is the basic certificate required for importing silicone sealant.

Q:What is the minimum order quantity?

100 cartons for our brand and 300 cartons for custom brand.