The main printed circuit board component is the base laminate material but choosing what you need or want to use is not as simple as it sounds.
A practical guide to PCB material and its selection - PCBA Manufacturers
How To Select the Right PCB Materials: A Guide
PCB Design: How to Design PCBs That Are Easy to Produce - Viasion PCB
PCB Substrates: Knowing PCB Dielectric Materials
Types of PCB Materials: PCB Board Components and Understanding
How to Choose the Right Materials for HDI PCB Fabrication - Viasion PCB
How to choose your PCB Dielectric Material
How to Choose the Right PCB material?
PCB Laminate Material Suppliers List - Jarnistech
PCB Laminate Materials High-Quality Materials for Your PCB Projects - PCBgogo
Rigid Pcb : Industry Grade Printed Circuit Board Performance