Butyl Hot-Melt Sealant With Non-Cracking Surface Manufacturers, Suppliers

Product Description

The Butyl Hot-Melt Sealant With Non-Cracking Surface is a high-performance, non-curing thermoplastic sealant formulated to maintain a smooth, flexible, and crack-free surface even after long-term exposure to environmental stress. It is specifically designed to resist surface cracking caused by aging, UV radiation, temperature fluctuations, and mechanical movement.

Crafted from refined butyl rubber and premium-grade tackifiers, this sealant is ideal for applications that demand a clean finish, reliable sealing, and long service life. It can be applied easily in a molten state and cools quickly to form an elastic and airtight seal that stays intact for years without hardening, shrinking, or cracking.

Key Features

Non-Cracking Surface: Maintains a smooth, intact surface over time without surface deterioration or crazing.

Permanently Elastic: Non-curing formulation remains flexible and resilient throughout its service life.

Excellent Adhesion: Bonds strongly to glass, aluminum, PVC, steel, and other construction materials.

Weather & UV Resistant: Withstands exposure to sunlight, rain, and extreme temperatures without degrading.

Air and Water Tight: Forms a highly effective barrier against moisture, dust, and gas infiltration.

Clean Application: Exhibits smooth flow during extrusion with minimal stringing and no residue.

Low VOC & Solvent-Free: Safe for indoor and outdoor use; contributes to a healthier working environment.

Typical Applications

Insulating Glass Units (IGUs): Primary sealing for double- and triple-glazed windows with a durable surface that resists cracking.

Architectural Curtain Walls: Seals aluminum-glass joints while preserving a smooth finish and long-term aesthetics.

HVAC & Ventilation Systems: Provides airtight joints with no risk of surface damage over time.

Automotive Assemblies: Seals lighting units, panels, and window edges with resistance to vibration and weather exposure.

Appliance and Electrical Equipment: Ideal for sealing enclosures and access panels where flexibility and appearance are important.

Prefab Modular Construction: Used in joints and panel seams requiring durable, long-life sealing without maintenance.

Technical Specifications

Property Value

Appearance Black / Gray / Custom

Application Temperature 150°C – 180°C

Operating Temperature Range -40°C to +90°C

Peel Adhesion (Glass/Aluminum) ≥1.5 N/mm

Elongation at Break ≥300%

Surface Cracking Resistance Excellent (No cracks after aging)

UV & Ozone Resistance High

VOC Content <10 g/L (Solvent-Free)

Shelf Life 12 months (stored below 35°C)

Storage & Handling

Store in a dry, shaded, and ventilated area away from direct sunlight and high heat. Keep the sealant in its original packaging until use. For best results, apply with a hot-melt dispenser or extrusion system set to 150–180°C. Avoid overheating to maintain surface consistency.

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 With Non-Cracking Surface

FAQ (Frequently Asked Questions)

Q1: What causes surface cracking in typical sealants, and how is this product different?

A1: Surface cracking can be caused by UV degradation, temperature cycling, and aging. This product is specially formulated to resist such effects, ensuring a smooth, non-cracking surface even after years of exposure.

Q2: Will this sealant harden or cure over time?

A2: No. It remains permanently flexible and does not cure, making it ideal for applications where movement or vibration occurs.

Q3: Can it be used for exterior and exposed installations?

A3: Yes. Its excellent weather and UV resistance make it suitable for outdoor use in windows, facades, and curtain walls.

Q4: Is it compatible with automated application systems?

A4: Absolutely. The sealant exhibits consistent flow and smooth application, making it ideal for high-speed production lines and robotic systems.

Q5: Does it require any surface primer before use?

A5: No primer is typically needed. It bonds well to clean and dry substrates such as glass, aluminum, and coated metal surfaces.

Q6: How should I remove excess sealant after application?

A6: When still warm, it can be wiped clean. Once cooled, it can be trimmed or peeled off using a plastic scraper or hand tool.

Q7: What makes it environmentally friendly?

A7: It contains no solvents and has very low VOC content, making it safe for workers and suitable for indoor environments.

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.