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Strapping Terms Break (or tensile) Strength: The amout of force, expressed in pounds, required to break the strap. Elongation: This is the amount of stretch in the strap as force or tension is applied. Elongation is generally expressed in sealingdevice the working range which is 40-60% of the break strength.Elongation Recovery: This is the strap''s ability to recover to its original state after tensioning.Shock Resistance: This is the strap''s ability to stretch and return to its original state without breaking when subjected to sudden impact. Split Resistance: The strap''s ability to withstand lateral tears. Cushioning Protect contents from vibration, impact or shock. Fragile and/or high value products with extended shipping or storage cycle times (weeks) require different cushioning products than items that are less fragile, medium weight and have shorter shipping and storage cycles. Void Fill space easily in and around the packaged contents while providing some basic sealingdevice cushioning. Surface Protection Conforms to a desired shape and prevents sealingdevice marring sealingdevice or scratching. Carton sealing tape is available in two varieties, pressure sensitive and water activated. Pressure sensitive tape is typically made of PVC or Polypropylene backing with acrylic, hot melt or natural rubber sealingdevice adhesive. Pressure sensitive tape is relatively inexpensive, provides a good bond for many carton sealing applications and is easily applied with an inexpensive tape gun. Water activated tape is constructed of kraft paper backing and sometimes includes fiberglass reinforcement. Water activated tape requires a stationary dispenser containing sealingdevice water to dispense the tape and activate the adhesive, but forms a superior bond when applied to corrugated cartons. PRESSURE SENSITIVE TAPE Hot Melt Hot melt tape is also known as synthetic rubber and is typically manufactured with a polypropylene backing. Hot melt tape sealingdevice works well from 45-120 degrees, provides a good bond for most carton sealing applications and is the lowest cost pressure sensitive tape available. Hot melt will yellow with time, but will do so more sealingdevice slowly than natural rubber tape. ©2003 www.shipping-accessories.com. All rights reserved. |