Polyolefin adhesive YG2509L

for thermoplasticsfor plasticsfor composite materials

Overview
This HMPSA series is a hot-melt pressure-sensitive adhesive designed for bonding waterproof sheet materials and related industrial substrates. YG Group supplies HMPSA grades formulated for good adhesion to PE, PP and composite films, with moisture resistance and durability for outdoor use.

Features

• Waterproof and moisture-resistant bonding performance
• Strong initial and long-term adhesion on plastic and composite substrates
• Durability under outdoor weathering and UV exposure

Applications

• Waterproof membrane sheets and roll roofing
• Building protection and lining materials
• Industrial composite bonding and lamination

Product variants (table)
Product | Appearance | Viscosity 175℃/cps | Softening Point (℃)
YG2509L | Water white translucent solid | 6500-8500 | 95-102
YG3601H | White and semi-transparent | 6500-8000 | 100-106
YG3603C | Light Yellow translucent solid | 4000-5500 | 99-105
YG3043 | Light Yellow translucent solid | 5000-7500 | 108-113
YG3022A | Light Yellow translucent solid | 2500-4500 | 90-96

FAQ
Is it waterproof after bonding? Yes — designed for waterproof applications.
Can it be used outdoors? Yes — formulated for strong weather resistance.
Is it suitable for plastic substrates? Yes — excellent bonding on PE, PP and composite films.
Does it maintain performance under UV exposure? Yes — stable under outdoor UV conditions.

Technical specifications

• Series: HMPSA
• Suitable substrates: PE, PP, composite films
• Key properties: waterproofing, moisture resistance, outdoor durability, UV stability
• Viscosity ranges (at 175℃): YG3022A 2500-4500 cps; YG3603C 4000-5500 cps; YG3043 5000-7500 cps; YG2509L 6500-8500 cps; YG3601H 6500-8000 cps
• Softening point ranges: approx. 90℃ to 113℃ depending on grade (see table for per-grade values)