Butyl Compound
High-performance waterproof sealing raw material. Our flagship butyl rubber compound is formulated for superior adhesion, flexibility, and weather resistance across demanding industrial environments.
Key Specifications
| Temperature Range | -40°C to +120°C |
| Color | Black / Grey / Custom |
| Packaging | 20kg PE bag / 1,000kg pallet |
Product Overview
Garmy's Butyl Compound is a high-viscosity butyl rubber-based sealing material developed through 25+ years of formulation expertise. It is specifically designed for applications requiring superior moisture barrier performance, vibration dampening, and long-term adhesion. Used as the core raw material for butyl tapes, sheets, and sealants, our compound delivers consistent batch-to-batch quality verified under our IATF 16949 quality management system.
Key Features
- ✓Outstanding waterproof and moisture barrier performance
- ✓Excellent adhesion to metal, glass, concrete, and plastics
- ✓Wide operating temperature range: -40°C to +120°C
- ✓Custom formulation available for specific OEM requirements
- ✓IATF 16949 & ISO 9001 certified production process
- ✓Consistent quality — batch CoA (Certificate of Analysis) provided
- ✓Available in various viscosity grades and colors
Technical Specifications
All specifications tested per ASTM / KS standards. Custom formulations available upon request.
| Grade | Application | Specific Gravity | Peel Strength(N/25mm) | Heat Resistance | Cold Resistance |
|---|---|---|---|---|---|
| HY-1 | Self-adhesive waterproofing membrane | 1.45 ± 0.1 | 81.07 | 120°C | -40°C |
| HY-2 | Self-adhesive waterproofing membrane | 1.65 ± 0.1 | 58.91 | 120°C | -40°C |
| CN-1 | Self-adhesive waterproofing membrane | 1.40 ± 0.1 | 62.45 | 120°C | -40°C |
| CN-FR | Flame-Retardant membrane (UL94 V-0) | 1.45 ± 0.1 | 81.07 | 120°C | -40°C |
| SD-1 | Butyl waterproof tape | 1.65 ± 0.1 | 42.82 | 110°C | -40°C |
| S-3 | Butyl waterproof tape | 1.65 ± 0.1 | 36.86 | 110°C | -40°C |
Applicable Standards
Relevant test methods and compliance standards by region.
| Region | Standards |
|---|---|
| US / AU / UK |
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| Australia |
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| EU / Germany |
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| Japan |
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| Korea |
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Industry Applications
Butyl Compound is trusted across major industries for its versatility and reliable performance.
Construction
Waterproofing and sealing applications for building envelopes and civil infrastructure
- •Window frame sealing tape
- •Rooftop waterproof membrane
- •Underground structure waterproofing
- •Curtain wall joint sealant
- •Expansion joint filler
Automotive
NVH reduction and sealing for vehicle body, engine bay, and interior components
- •Headlamp sealing compound
- •Door panel vibration damper
- •Trunk lid sealant
- •HVAC duct insulation
- •Underbody anti-chip coating
Electronics
Insulation and moisture protection for sensitive electronic assemblies
- •Cable joint insulation
- •Electrical enclosure sealing
- •PCB moisture barrier
- •Transformer potting compound
- •Connector waterproofing
Quality Certifications
All Garmy products are manufactured under internationally recognized quality management systems.
Related Technical Content
Learn more about this product through our technical articles and guides.
Butyl Rubber Molecular Structure: Isobutylene & Isoprene Explained
A materials-science explanation of why butyl rubber behaves the way it does. We trace the isobutylene-isoprene copolymer structure, its near-saturated backbone, and how low unsaturation drives the exceptional weather, ozone, and gas-barrier performance that makes butyl the default sealing elastomer.
Why Butyl Rubber Is Airtight: The Science of Gas Impermeability
A materials-engineering explanation of why butyl rubber (IIR) is the most gas-impermeable elastomer. Covers the isobutylene chain packing that suppresses molecular free volume, the resulting low gas permeability coefficient, and a permeability comparison against EPDM and natural rubber — with the application logic for tire innerliners and butyl sealing.
Butyl Compound Shore A Hardness: A Selection Guide for Engineers
An engineering guide to selecting butyl compound hardness on the Shore A scale (ASTM D2240). Explains how soft (low-durometer) compounds excel at vibration damping and sealing while hard (high-durometer) compounds deliver dimensional stability — and how hardness drives NVH damping, compression set, and tack. Includes a durometer-to-application matrix.
Related Products
Other solutions from our butyl rubber product line
Butyl Tape
Self-adhesive waterproof sealing tape for window frames, roofing joints, and electronics insulation. Long-term UV and chemical resistance for demanding environments.
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Self-adhesive Butyl Waterproofing Sheet
Self-adhesive waterproof sheet for building exterior walls, rooftops, and underground structures. Provides a continuous moisture barrier with exceptional peel strength and durability.
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Vibration Damping Pad
Anti-vibration pad engineered for automotive roof panels, fender linings, and HVAC systems. Reduces NVH (noise, vibration, harshness) with consistent performance across temperature extremes.
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