Fireproof Butyl Rubber Sealant Flame Retardant High Temperature Resistant Waterproof Sealant for Construction Joints

Product Description

Product Description

This fireproof butyl rubber sealant is specially formulated with excellent flame retardant and fire stopping performance, combined with superior waterproofing and airtight sealing properties. It features high temperature resistance, good flexibility, and permanent non-curing characteristics, maintaining stable elasticity without cracking or shrinking under high temperature and long-term outdoor exposure. Designed for building fire protection applications, it effectively seals joints, pipe penetrations, wall gaps and construction expansion joints to prevent flame spread and smoke penetration. With strong adhesion to concrete, metal, glass and other building materials, it provides reliable fire resistance, waterproofing and anti-aging effects for industrial and civil construction fireproofing projects.

Scope of Application

Mainly used for fireproof sealing and waterproof treatment in construction and industrial projects. Suitable for pipe penetrations, building expansion joints, curtain wall joints, wall gaps, cable through holes, mechanical equipment gaps and other parts that require both fire resistance and sealing. Also applicable to industrial facilities, steel structures, workshops and civil buildings that need flame retardant, smoke proof and waterproof integrated sealing solutions.

Product Features

Excellent flame retardant and fire stopping performance, effectively blocking flame spread and smoke penetration. High temperature resistance, good flexibility and permanent elasticity, no cracking or shrinking under long-term use. Outstanding waterproof, weatherproof and anti-aging properties, with strong adhesion to concrete, metal, glass and other building materials. Non-curing and environmentally friendly, easy to apply, providing reliable integrated fireproof and sealing protection.

Deliver,Shipping And Serving

1. Online testing

Online testing will be carried out before the finished product is packaged, and the finished product will be packaged only after it meets the relevant requirements.

2. Quality control supervision.

Quality control will be carried out again before the finished product packaging is put into storage and enters the market.

3. Application testing

Carry out full product testing, from the user's perspective, restore the product application scenario, and test its application.

4. Technical service

Application technical service provides high-quality technical services. After the product enters the market, after-sales technical service will continue to track the product usage and provide high-quality after-sales service.

Butyl Hot Melt Sealant Manufacturers

FAQ – Frequently Asked Questions

Q1: Why choose large packaged butyl hot melt sealant over smaller formats?

A: Large packaging significantly increases production efficiency by reducing material changes and downtime. It is ideal for automated or high-volume manufacturing environments.

Q2: Is it suitable for outdoor applications?

A: Yes. It has excellent resistance to UV, water, and temperature extremes, making it perfect for both indoor and outdoor sealing tasks.

Q3: Can this sealant be reheated and reused?

A: Absolutely. The sealant remains thermoplastic, meaning it can be reheated multiple times without degrading, provided it’s kept clean and uncontaminated.

Q4: Does it harden over time?

A: No. It remains tacky and flexible, providing continuous performance without curing or cracking over time.

Q5: What substrates can it bond with?

A: This sealant adheres well to materials like glass, aluminum, steel, PVC, ABS, wood, and most construction composites.

Q6: Does it require a primer?

A: Not usually. Most clean, dry surfaces do not need a primer, but adhesion testing is recommended for critical or unknown materials.

Q7: What’s the recommended storage condition?

A: Store in a cool (5–30°C), dry place away from direct sunlight or moisture. Avoid stacking too high to prevent block deformation.

Company Profile

Chengxin (Henan) Sealing New Material Tech Co., Ltd. is a Chinese manufacturer and supplier of insulating glass sealing materials. We have been professionally focusing on the sealing material industry for many years. With excellent product quality and a complete market service guarantee system, the company has formed a wide sales network in China. In the international market, "Chengxin" brand series products have been exported to Western Europe, America, the Middle East, Africa, Southeast Asia and other countries and regions. We look forward to becoming your long-term partner.