Does it require a primer?

No, it does not need a primer to have good adhesion to most building materials.

What is the curing time?

The curing time is 7 days at 25 degrees Celsius with 50% relative humidity.

What are the main applications?

It is used for bonding and sealing fireproof doors/windows, curtain walls, and industrial products.

Chemical Product Clear Heat Resistant Sealant Fireproof Silicone Caulk

Name: Chemical Product Clear Heat Resistant Sealant Fireproof Silicone Caulk
Brand: Shanghai Junbond Building Material Co., Ltd.
SKU: 2004889275

Shanghai, ChinaShanghai Junbond Building Material Co., Ltd.

US$1.75

2,400-23,999 Pieces

US$1.66

24,000+ Pieces

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Color

Black

Material

Silicone

Model NO.

JB-119

Applications

Curtain Wall Sealing

OEM

Support

Cetificate

ISO9001, ISO14001, ISO45001

Shelf Life

12 Months

MOQ

2400 Pieces

Characteristic

Waterproof

Classification

Bonding or Sealing

Model No.

Jb-119

Package

Cartridge

Payment Term

Tt, L/C.Paypal

Main Agent Composition

Silicone

Feature

Fast Dry

Promoter Composition

Curing Agent

Weathering

Excellent

Type

Silicone Sealant

Seal Tape Usage

Engineering

State

Dynamic Seal

Mildew Proof

Bonding Material

Glass

After-sales Service

Yes

Seal Tape Kind

Fireproof Silicone Sealant

Transport Package

24PCS/Carton

Specification

300ml

Trademark

Junbond

Origin

China

HS Code

3506100010

Production Capacity

50000 Cartons/Day

Key features

UL V0 Fire Retardant: Flame retardant level reaches V0 according to UL standard for superior safety.

Wide Temperature Resistance: High and low temperature resistance from -60 to 250 degrees Celsius.

Excellent Weathering: Superior weathering resistance and good adhesion to most building materials.

Neutral & Eco-Friendly: One-component neutral glue, no pollution, and no corrosion to surfaces.

Fast Surface Drying: Surface drying time is less than or equal to 2 hours for efficiency.

High Elasticity: High-elasticity sealant with elongation at break greater than or equal to 100%.

Multi-Color Options: Available in black, gray, white, and other colors to match various needs.

OEM Support: Supports OEM customization for specific branding and packaging requirements.

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: ≤9.65h 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.