1:1 Mix Ratio | Flexible Structural Bonding | Sold by the Case

PARBOND 905 Polyurethane Structural Adhesive is a fast-setting, high-performance two-part polyurethane adhesive engineered for demanding structural bonding applications. Designed for both indoor and outdoor sign assembly, this adhesive delivers excellent long-term durability, flexibility under stress, and strong adhesion to a wide range of substrates including plastics, composites, metals, foam, and wood.

Manufactured by Parson Adhesives, PARBOND 905 features a 1:1 mix ratio, a 4–6 minute working time, and cures to a black, sandable, and paintable finish. Its non-flammable, odorless formulation and outstanding environmental resistance make it ideal for professional fabrication, signage, and industrial assembly where strength and flexibility are critical.

Key Features & Benefits

• 1:1 mix ratio for easy, accurate dispensing
• Fast-setting structural polyurethane adhesive
• Flexible bond performs under vibration and thermal movement
• Excellent adhesion to SMC, FRP, plastics, composites, metals, foam, and wood
• Outstanding long-term durability and environmental resistance
• Non-flammable and odorless formulation
• Sandable and paintable after cure
• Ideal for indoor and outdoor sign assembly
• Available in 50ml and 400ml cartridges
• Sold by the case for production and shop use

Technical Specifications

Product Name: PARBOND 905
Adhesive Type: Polyurethane Structural Adhesive
Chemistry: Polyurethane
Cure Method: Two-Part Cure
Mix Ratio: 1:1
Color: Black (viscous paste)
Working Time: 4–6 minutes
Fixture Time: 25–30 minutes
Material Form: Paste
Shelf Life: 9 months (stored at room temperature)
Packaging Type: Cartridge
Available Sizes: 50ml & 400ml
Selling Unit: Case quantities

Compatible Accessories (Sold Separately)

Dispensing Guns
• PA750 – Manual Mixing Gun for 50ml cartridges
• PA740 – Manual Mixing Gun for 400ml cartridges

Static Mixing Tips
• PA7300-028 – Mixing Tip for 50ml cartridges
• PA736-1697 – Mixing Tip for 400ml cartridges

Typical Applications

• Indoor and outdoor sign assembly
• Structural bonding of plastic and composite panels
• SMC and FRP fabrication
• Metal-to-plastic and metal-to-metal bonding
• Foam and wood assemblies
• Industrial fabrication and repair

PARBOND 905 Polyurethane Structural Adhesive delivers the strength of a structural adhesive with the flexibility needed for real-world conditions—making it a trusted solution for professional sign makers and fabricators who demand durable, reliable bonds in challenging environments.