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Coroplast® is the material of choice for today's screen printing industry. Coroplast is ideal for indoor and outdoor applications. It is tougher than corrugated fiberboard and lighter than extruded plastic sheet. It is waterproof and stain-resistant. Coroplast is SQUARE CUT
All Coroplast stock sheets are electrostatically double treated by "Corona Discharge" on both sides to allow specifically formulated inks and adhesives to adhere.