Extrudable composite of polymer and wood flour

An extruded foamed solid elongated composite formed from foamable plastic consisting essentially of, in parts (volume):

• ______________________________________ polymer resin:
• in an amount of up to 100 wood flour:
• 15-140 stabilizers:
• in an amount of up to 5 lubricants:
• in an amount of up to 5 process aids:
• in an amount of up to 10 blowing agents:
• .2 to 5 colorant:
• up to 10, ______________________________________
• said wood flour being in particle form having size comprising, in parts (volume) in an amount in an amount of:
• ______________________________________ up to 10% about 425 microns, about 40%-75% about 250 microns, about 15%-50% about 180 microns, ______________________________________
• said wood flour particles being encapsulated within said polymer resin and formed into pellets.