🎉 Unleash Your Inner Artist with Every Brushstroke! Dinnerware safe for peace of mind. Achieve a rich, opaque finish that stands out. Conforms to ASTM D-4236 standards. Perfect for both brush and spray techniques. Elevate your pottery with a stunning blue hue! Opaque Cone 5-6 Spray Application Safe Dinnerware Safe AMACO Potters Choice Glaze in Blue Rutile PC-20 is a high-quality, opaque glaze designed for Cone 5-6 firing. It is safe for dinnerware and can be applied using spray techniques, conforming to ASTM D-4236 standards for safety and quality.