Circle Inc. Book Board, Roll Headers, Chipboard, Rubber ProductsBook Board Quality Manufacturing Capabilities Certifications & Affiliations News & Events Sales Team Environmental... Available CHIPBOARD PADS PASTED CHIPBOARD DIE CUT CHIPBOARD Caliper from .015 - .300 pt. Guaranteed to +/- 1/64" Clean Stacks - No Dust or "Paper Hair" Unlimited caliper available Cross... in Brown or White Stocking for Release Dedicated Machine Time Contract Converting Welcome to Circle Incorporated, a Custom Converter of recycled paper and chipboard products as well...