TT-B-13250
accidental rupture during multiple shipments, handling and storage. The shipping containers shall also comply with the National Motor Freight Classification or Uniform Freight Classification requirements.
5.1.1 Packing. Beads shall be furnished in quantities specified. The preservation, packing and marking shall be as specified below (see 6.2).
5.1.2 Marking. Each package shall contain the following information: Name and address of manufacturer, shipping point, trademark or name, the wording; "Glass Beads, Retro-reflective", the specification number, bead type, weight of the contents in kg and lb, the lot or batch number, information and warnings as may be required by federal and state laws, and the month and year of manufacture. Additional markings shall be as specified in the contract or order.
6. NOTES.
INFORMATION FOR GUI0ANCE ONLY. (This section contains information of a general or explanatory nature that is helpful, but is not mandatory.)
6.1 Intended use.
Type I, Gradation A, coarse - low-index recycled glass beads for drop-on applications are intended for marking highways and all airfield markings.
Type I, Gradation B, fine - low-index glass beads for premixed paint are intended for marking highways, or for use in applying temporary airport or airfield markings.
Type III - high index glass beads for drop-on applications are intended for applications where increased retro-reflectivity is needed.
[NOTE: The increased retro-reflective values obtained from use of high index of refraction glass beads are only apparent to the observer in cases where the observer's line of sight is in close proximity to the path of the light source used to illuminate the markings. Studies by the USAF and the Federal Aviation Administration have shown that in cases where the light source is not in close proximity to the viewer's eye position, the added benefit from the use of the higher index of refraction beads is negligible.]
Type IV Gradation A - Large coarse, direct-melt, low-index glass beads for drop- on applications are intended for highways and all airfield markings.
Type IV Gradation B - Medium coarse, direct-melt, low-index glass beads for drop-on applications are intended for highways and all airfield markings.
Source: https://assist.dla.mil -- Downloaded: Check the source to verify that thi?s is the current version before use.
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