UltraTape 4425/0425 series tape was designed to keep your employees and your workplace safe. This tape is manufactured with the acrylic adhesive on the black and yellow striped face of the tape so you can install it underneath clear plastic or glass flooring tiles, doors, windows and other transparent material locations where a hazard may be present. UltraTape 4425/0425 provides the following benefits: Designates OSHA critical areas in your cleanroom. Designates aisles and hazard areas within your facility. Cleanroom Certified (UltraClean and Classic Clean packaging available). UltraTape 4425/0425 Data Sheet:. Backing: Polyester Overlaminated on Vinyl. Adhesive: Acrylic (adhesive on reverse side). Total Thickness: 11.0 +/-1.1 mil. Adhesion to Steel: 180 degree. Peel: 70 oz/inch. Operating Temp: -22 to +175° F. Elongation at Break: 120%. Tensile Strength: 20 lbs/inch. Length: 36 yds. Available Colors: BY (Black/Yellow Striped). Distributed by StaticTek, a family owned, and operated company located in Keizer, Oregon, USA. StaticTek provides static control equipment, supplies and services. This includes custom passive grounding, in-tool ionization for critical environments and room ionization to meet the specifications for your ESD class. Gaining control over the static charges in your controlled area will improve product yield from direct ESD damage to devices, associated problems from RFI and EMI signals and indirect problems caused by electro-static attraction of particles to clean surfaces.