Does the sealant require a primer for application?

No, it has good adhesion without the need for priming.

Is the sealant toxic?

No, it is a neutral cured, non-poisonous sealant.

Top 8 Junbond Jb8800 Two Component Structural Silicone Sealant Crazy Sealant

Name: Top 8 Junbond Jb8800 Two Component Structural Silicone Sealant Crazy Sealant
Brand: Shanghai Junbond Building Material Co., Ltd.
SKU: 2074845425

Shanghai, ChinaShanghai Junbond Building Material Co., Ltd.

US$750.00-980.00

4 set

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Application

Construction, Insulating Glass

Bonding Function

Structural Adhesive

Model NO.

JB8800

Color

Black

Composition

Organic Material

Morphology

Solvent

Model No

Jb8800

Shelf Life

12 Months

OEM

Yes

Part a

190L

Part B

19L

Sample

Free

Density

1.37

Specifications

Barrel a 190L, Barrel B 19L

Feature1

Fast Curing

Feature2

No Toxic

Feature3

Extrusion Smooth

Feature4

100% Silicone

Certificate

ISO9001

Usage1

Insulating Glass Secondary Sealing

Usage2

Structural

Material

Silicone

Classification

Room Curing

EINECS

230-391-5

Characteristic

Structural

Main Agent Composition

107

Promoter Composition

Oil

Formula

C6h7no2

CAS No.

9009-54-5

Transport Package

Drum/Barrel Package

Specification

190L + 19L

Trademark

Junbond

Origin

China

HS Code

3214109000

Production Capacity

10000pieces/Year

Key features

Strong Adhesion Without Primer: Good adhesion to glass, aluminum, and steel without needing priming.

Fast Curing Performance: Tack-free time is 1.2 hours, trial time is 1.9 seconds.

Non-Toxic & Neutral Curing: Neutral cured formula ensures no corrosion and is non-poisonous.

Full Customization Available: Offers full customization and flexible customization from samples.

ISO9001 Certified Quality: Product meets ISO9001 certification standards for quality assurance.

Free Samples Provided: Free samples are available for testing before bulk purchase.

Company profile

Shanghai Junbond Building Material Co., Ltd.

Shanghai, China

CertifiedBusiness Type: Trading Company CertifiedCustomization Options: Customization from Samples, Full Customization, etc. CertifiedExport Year: 6 Years CertifiedNearest Port: Shanghai / Ningbo PortAverage Response Time: ≤5.33h CertifiedTerms of Payment: T/T, LC, D/P, etc.

AI-Powered supplier vetting

SummaryThe supplier is identified as a Shanghai-based trading company operating in wholesale and retail, with a business scope covering chemical products, sealing fillers, construction waterproofing, insulation and soundproofing materials, hardware, and related import/export activities. It reports ISO9001, ISO14001, ISO45001, national construction silicone rubber certification, and national high-tech enterprise certification. Service procedures, corrective actions, and complaint-handling records are documented, although the approved-supplier list lacks approval signatures or dates. The supplier has no overseas warehouses, showrooms, agents or branches, and no offline trade-show participation. It offers sample-based and full customization but reports no new products in the past year, no ODM service, and no SDK. Production scale claims come from company descriptions of affiliated factories and are not fully aligned with the registered company type. Customer cases and financial performance evidence are insufficient...

CertificationsThe company states that all Junbond products have passed ISO9001, ISO14001, ISO45001, and national certification for the construction silicone rubber industry, and that it holds national high-tech enterprise certification. These are explicit certifications or qualifications reported in the company description.

After-Sales capabilityThe supplier has written procedures and followed records for service-capability assessment, corrective and preventive actions, and customer complaint handling. However, it reports no overseas warehouse, showroom, agent or branch, and no overseas service countries, limiting evidence of localized after-sales support.

R&D capabilityThe supplier reports no new products during the past year, no ODM service, and no available SDK. Although it offers customization, these explicit limitations do not demonstrate product-development or technical-platform strength.

Customization capabilityThe supplier explicitly offers customization from samples, full customization, and flexible customization. These stated service options directly support a positive assessment of customization capability.