Infinity Bond POLYFILL 5000 High Strength Polyester Marine Putty

High Strength Polyester Putty for Structural Marine Applications Infinity Bond POLYFILL 5000 is a high strength polyester marine putty engineered for demanding structural marine applications where rigidity, durability, and load-bearing performance are critical. Formulated for boat hull transom repairs, engine mounting beds, and large volume filling, this advanced marine putty delivers excellent compressive and flexural strength while maintaining low exotherm characteristics for reliable bonding performance. Designed for boat builders, marine fabricators, and composite manufacturers, POLYFILL 5000 provides dependable structural support for marine assembly, reinforcement, and production environments.Structural Performance Benefits of POLYFILL 5000 Marine Putty High Strength Formula: Delivers excellent compressive and flexural strength for demanding structural marine applications. Designed for Boat Hull Transom Repairs: Ideal for reinforcing and repairing transoms exposed to heavy loads and high horsepower. Excellent Structural Stability: Provides dependable support for marine bonding, reinforcement, and assembly applications. Large Volume Filling Performance: Performs reliably in large fills where rigidity and dimensional stability are critical. Low Exotherm Characteristics: Helps reduce excessive heat buildup during curing for more consistent bonding results. Pumpable & Easy to Process: Mixes and dispenses easily for efficient marine fabrication and production workflows. Technical Specifications Series: POLYFILL 5000 Type: Marine Putty Chemistry: Polyester Liquid Adhesive Gel Time: 18 - 24 Minutes Reaction Time: 30 - 75 Minutes Fixture Time: 48 - 99 Minutes Viscosity: 50,000 - 72,000 cps @ 2 RPM 12,000 - 21,000 cps @ 20 RPM Peak Exotherm: 140 - 180°F (60°C - 82.2°C) Color: Gray Odor: Styrene Texture: Grainy Weight: 7.6 lbs/gallon Tensile Elongation: 8% - 10% Tensile Strength: 1,400 - 4,200 psi Flexural Strength: 30,000 - 34,000 psi Compressive Strength: 3,800 - 4,200 psi Lap Shear: 1,200 - 1,500 psi Heat Deflection: 160°F (71.1°C) Linear Shrinkage: 0.5 - 1% Shore D Hardness: 70 - 80 Package Size: 5-Gallon Pails and 55-Gallon Drums Shelf Life: 4 - 6 Months Note: Typical physical properties @ 75°F (24°C). Recommended Applications Boat hull transom repairs Engine mounting bed bonding Structural marine reinforcement Large volume filling applications Filling radii and structural contours Marine hardware reinforcement Coring small composite boat parts Dry rot repair applications Two-part mold backup applications