Acronal^® 4738: Performance-Driven Binder for PET Roofing Mats

As roofing technology advances, so do the demands on materials that ensure long-term durability and stability.

 Acronal 4738 stands out as a high-strength, water-based styrene-acrylic binder designed specifically for polyester (PET) roofing mats. Its formulation addresses a key challenge in roofing: maintaining dimensional stability under high temperatures and varying weather conditions.

Acronal 4738 delivers outstanding thermal dimensional stability, helping PET mats retain their shape and integrity even when exposed to heat and environmental stress. This performance is critical for low-slope roofing systems, where reliable adhesion and flexibility are essential. The binder’s compatibility with other substances used in nonwovens, including recycled PET, supports a range of manufacturing needs and sustainability goals.

Ease of use is another advantage. Acronal 4738 can be applied as supplied or with common additives, integrating smoothly into existing processes. The product’s stable viscosity and neutral pH mean it can be added into standard mixing and application systems, minimizing disruptions or adjustments on the production line. Its water-based chemistry also supports safer handling and environmentally responsible practices.

In today’s roofing market, where product reliability and performance are non-negotiable, Acronal 4738 offers manufacturers a dependable solution for PET roofing mats—delivering the strength, stability, and versatility needed to meet evolving industry standards.