HexiTherm™ Adhesives for I-joists

I-joist designs are continually being enhanced to work better in a host of applications. Hexion provides a variety of high performance adhesives to improve the strength, versatility and heat resistance of I-joist flange components. With Hexion adhesives, manufacturers are taking designs to a new level.

Third-party, full-scale testing on engineered beams using thermoset-based adhesives has shown that, under high stress, they outperform engineered beams that utilize alternative chemistries such as polyurethane by a wide margin.

Whatever your assembly, Hexion provides a broad range of phenolic- and melamine-based adhesives to meet fire rating requirements.

LT Series

• Phenol-resorcinol (PR) and phenol-resorcinol-formaldehyde (PRF) resins
• Standard and accelerated versions for I-beam applications – range of cure speeds to fit individual plant conditions
• Intended for use with FM-6210 (PR) and FM-7400 (PRF) hardeners
• Designed for direct application
• Waterproof – for wet or dry use exposure
• Meets ASTM D-2559-84 and ASTM D-2559-97a specifications
• Meets requirements of ANSI 190.1-83(PS 56-73) for gluing West Coast softwoods and Southern Pine
• Not preferred for gluing hardwoods or wood treated with fire retardant salts
• Resin usable life of nine months at 70°C (hardeners’ stability varies)
• Very low formaldehyde emissions

AG Series

• Liquid phenol-resorcinol-formaldehyde (PRF) resins for use in gluing structural wood including glulam
• Available with a variety of formaldehyde and para-formaldehyde hardeners
• Set times from approximately 15 minutes to one hour
• Resin usable life of nine months at 70ºC (hardeners’ stability varies)