Pultron recommends these papers by the following authors.
Aspects of Joining Pultrusions
Gareth C McGrath,
Phd Technology Manager,
Adhesives TWI
Download this paper
What Every Engineer Should Know About Composites
Bob Lacovarra,
Technical Director,
Composites Fabricators Association. (CFA)
High Strength to 
Corrosion/ Chemical Resistant
Electrical Insulation
Thermal Insulation
Electomagnetic Transparency