High performance grade. 40 micron cast BOPP film. Emulsion acrylic adhesive. FDA Indirect Contact CFR 21, 175.105. FDA Indirect Contact CFR 21, 177.1520. AP 401® case sealing tape is designed for heavy duty manual carton sealing under rough handling and load stress. It provides critical closure of bulky packages. The high-quality adhesive provides excellent quick stick and superior clarity. For a wide range of applications, environments and temperatures.