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JR-Butyl Sealant

JR-Butyl is a one-component solvent-release butyl rubber sealant formulated with age-resistant polymers. It provides excellent weather resistance, permanent flexibility, gap filling performance and durable waterproof sealing for exterior applications.
Product Type Butyl Rubber Sealant
Component One-Component
Solids Content 100% Solids
Service Temperature -40°C to 93°C
*Motor detailed config can be customized according to customer's requests, like voltage, speed, as well as shaft length and shape...
Description
Specifications

Advanced Butyl Rubber Technology for Long-Lasting Sealing Performanc

JR-Butyl is a premium one-component, solvent-release butyl rubber sealant engineered for long-lasting exterior performance. Formulated with age-resistant polymers, it delivers outstanding weather resistance and zero shrinkage upon cure, ensuring a durable, gap-free seal. Its 100% solids formula bonds firmly to masonry, glass, metal, concrete, wood, and most plastics—no primer needed. Permanently flexible and crack-resistant, it accommodates joint movement up to 5% while maintaining a watertight barrier. Non-staining, easy to apply, and non-stringing, JR-Butyl performs reliably from -40°C to 93°C, while also dampening vibration and sound. Trust JR-Butyl for resilient, maintenance-free sealing.

Why Choose JR-Butyl Sealant?

Excellent Weather Resistance

Formulated with age-resistant polymers, JR-Butyl delivers outstanding weather resistance and long service life for demanding exterior sealing applications.

100% Solids Formula with No Shrinkage

The high-solids, 100% solids formulation provides excellent gap-filling capability and maintains sealing integrity without shrinkage after curing.

Strong Multi-Substrate Adhesion

Provides reliable adhesion to various substrates including masonry, glass, metal, concrete, wood and most plastics without requiring primer.

Permanent Flexibility

Maintains long-term flexibility with a dry surface layer and elastic inner structure, allowing the sealant to adapt to joint movement.

Crack Resistance & Waterproof Protection

Accommodates up to 5% joint movement while maintaining watertight sealing performance and preventing cracking.

Easy Installation

Features non-staining, non-stringing and easy application properties while providing vibration and sound dampening performance.

Applications

  • Exterior Roof & Wall Sealing:Designed for outdoor sealing applications on roofs, walls and building elements, including standing seam roofs, side walls and general exterior joints, providing durable weather protection.
  • Roof & Wall Panel Joint Sealing:Suitable for sealing lap joints between roof and wall panels, creating an airtight and watertight barrier to improve building protection.
  • Door, Window & Insulation Sealing:Used for sealing door and window frames as well as thermal insulation seams, helping improve sealing performance and energy efficiency.
  • Lightweight Material Bonding & Metal Joint Protection:Provides reliable bonding for lightweight materials and helps protect metal joints against corrosion in various construction and industrial applications.

Need the Right Solution for Your Project?

Contact our technical team for product recommendations, samples, customization support and professional solutions tailored to your application requirements.

Property JR-Butyl
Chemistry Butyl Rubber
Cure Type Solvent Release
Flexibility Permanent
Joint Movement ≤5%
Temperature Range -40°C to 93°C
Property JR-Tile Grout
Base Material Polymer Resin
Function Tile Joint Protection
Waterproof Yes
Mold Resistance Yes
Stain Resistance Yes
Gap Width 1–5mm
Gap Depth 1–3mm
Tack-Free Time 1–2 Hours
Full Cure 24–48 Hours
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