Garmy Advanced Materials
Butyl Compound
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Core Product

Butyl Compound

ConstructionAutomotiveElectronics

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

Viscosity45~65 (Mooney ML1+4, 100°C)
Density1.15 ~ 1.35 g/cm³
Operating Temp-40°C to +120°C
ColorBlack / Grey / Custom
Packaging20kg PE bag / 500kg pallet
Download Datasheet (PDF)

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
  • Superior chemical resistance to acids, alkalis, and solvents
  • Custom formulation available for specific OEM requirements
  • IATF 16949 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.

GradeApplicationSpecific GravityPeel Strength (N/25mm)Heat ResistanceCold Resistance
HY-1Self-adhesive waterproofing membrane1.45 ± 0.181.07120°C-40°C
HY-2Self-adhesive waterproofing membrane1.65 ± 0.158.91120°C-40°C
CN-1Self-adhesive waterproofing membrane1.40 ± 0.162.45120°C-40°C
CN-FRFlame-Retardant membrane (UL94 V-0)1.45 ± 0.181.07120°C-40°C
SD-1Butyl waterproof tape1.65 ± 0.142.82110°C-40°C
S-3Butyl waterproof tape1.65 ± 0.136.86110°C-40°C

Industry Applications

Butyl Compound is trusted across major industries for its versatility and reliable performance.

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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
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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

Interested in Butyl Compound?

Get a custom quote or request a free sample kit for your application testing.

Related Products

Other solutions from our butyl rubber product line

Butyl Tape

Butyl Tape

Self-adhesive waterproof sealing tape for window frames, roofing joints, and electronics insulation. Excellent conformability to irregular surfaces with long-term UV and chemical resistance.

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Butyl Sheet

Butyl 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

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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