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.
Carbon Black & Filler Reinforcement in Butyl Rubber: The Science
A formulation-engineer guide to how carbon black and mineral fillers reinforce butyl rubber compounds. Explains particle size and structure, the hardness/tensile/abrasion trade-offs, UV protection, and how filler choice (carbon black, calcium carbonate, silica) lets you tune the final compound properties.
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.
Butyl Compound Temperature Resistance & Service Range Explained
An engineering guide to butyl compound temperature resistance. Covers the typical service window (−40°C to +90/120°C), high-temperature flow and low-temperature brittleness, thermal-cycle durability, and Garmy grade-by-grade heat and cold ratings. For automotive, electronics, and construction engineers specifying butyl sealing material.
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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