HDPE ColorCore© is Interstate Plastics strongest signage material and withstands any outdoor conditions or areas exposed to harsh chemicals or moisture. Durable ColorCore© comes with an inner-core color that makes up approximately 80% of the sheet and a cap color making up 20% of the sheet, 10% in front and back respectively. ColorCore© is an … Continue reading Interstate Plastics Provides Long-Term Outdoor Signage Solutions with HDPE ColorCore