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Paintable Intumescent Firestop Caulking

Intumescent fire caulk is a specialized sealant designed to provide superior fire protection in construction applications. This advanced material expands when exposed to high temperatures, creating a protective barrier that can withstand fire for up to 4 hours. Its flexibility and ease of application make it ideal for sealing joints, gaps, and penetrations in compartment walls, floors, fire sealing expansion joints and ceilings.

Product Model

TA104

Specifications select

Product Detail Company Profile Store Reviews

Intumescent Fire Caulk Product Description

Intumescent Fire Caulk is a one part, ready to use, designed for duct work and in addition used for joints in compartment walls and floors, fire sealing expansion joints, sealing metal pipes, bundled cables and around lightweight partition, around fire rated doors and in service penetration seals where integrity of fire walls or partitions needs to be maintained. Intumescent qualities enable the materials to swell under heat conditions, producing a fire and smoke resistant seal.

Intumescent Fire Caulk Packing

Packing	Color	Quantity/Carton
600ml	White, Black, Grey etc.	20 sausages
280ml/300ml	White, Black, Grey etc.	24 cartridges

Intumescent Fire Caulk Technical Data

Appearance	Paste
Density	1.6g/cm3
Movement capability	7.5%
Expansion rate	5~6
Hardness Shore A	60
Application temperature range	5℃ to 40℃
Service temperature range	-20℃ to 90℃

Intumescent Fire Caulk Special Characteristics

● As intumescent sealant for up to 4 hours rating.

● Firestop caulking is stability, Integrity & Insulation.

● 5~6 times expansion rate.

● Intumescent fire caulk has excellent adhesion to most common construction substrates.

● Firestop caulking is ready to use.

Intumescent Fire Caulk Typical Application

● Paintable fire caulking can be used for duct work.

● For fire sealing expansion joints.

● Paintable fire caulking can be used for metal pipes.

● Can be used for cable bundles.

● Can be used for perimeter around fire rated door assembles.

Intumescent Fire Caulk Safety&Storage

● Keep contents out of reach of children. In case of contact with eyes, please rinse eyes with plenty of water and seek medical advice as soon as possible

● Store in a cool, dry, non-humid place to ensure long shelf life.

Company Profile – Tengyu Chemical (Longkou) Co., Ltd

Tengyu Chemical (Longkou) Co., Ltd, established in 2013, is a technology-driven manufacturer specializing in the research, development, and production of high-performance sealants and waterproofing solutions. Our core product lines include Acrylic Sealants, Silicone Sealants, MS Polymer, Polyurethane Sealants, Epoxy Adhesives, Polysulfide Sealants, Anaerobic Adhesives, Waterproof Coatings, and related raw materials.

Backed by over a decade of industry experience, Tengyu has developed a reputation for product reliability, process innovation, and customer-centric service. We serve a wide spectrum of sectors including construction, infrastructure, automotive, energy, and marine, with a supply network reaching over 100 countries and regions worldwide.

Full-Cycle Sealant Manufacturing Expertise

Tengyu operates under a vertically integrated manufacturing model, with over 90% of acrylic and silicone sealant production completed in-house. This ensures full traceability and strict quality control across all production stages—from raw material formulation to final packaging.

Through strategic partnerships with more than 10 globally recognized raw material suppliers and 4 certified component specialists, we guarantee consistent quality and supply stability for high-demand product lines, including MS polymer and polyurethane systems.

Global Distribution with Factory-Direct Advantage

As an original manufacturer, Tengyu offers factory-direct pricing with competitive lead times and full export capabilities. Our international business team is highly experienced in supporting OEM/ODM projects, private labeling, and regulatory compliance (such as CE, ISO, RoHS, REACH) for global markets.

Our Commitment

At Tengyu Chemical, we are dedicated to delivering:

Consistent product performance that meets or exceeds industry standards
Technical support and formulation expertise tailored to client needs
Efficient logistics and supply chain coordination for global partners
Long-term cooperation based on trust, reliability, and shared growth

We welcome collaboration with importers, distributors, and project contractors worldwide. Partner with Tengyu and experience professional-grade sealant solutions engineered to perform.

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