These materials comprise the components of a laser compatible latex label used on narrow cylinder tubes for blood tests.

LASER LATEX:
A 60# laser compatible latex impregnated paper stock with smudge-resistant coating for laser printing. Latex impregnated paper is considerably more pliable than standard paper. This contributes to better conformability around narrow cylinder test tubes. It has better than average moisture resistance.

GLOVE FRIENDLY TEST TUBE ADHESIVE:
This UL approved adhesive is specifically designed to adhere to the tight diameter, glass or plastic surface of narrow cylinder test tubes. It has both high initial tack and high ultimate adhesion strength. However, latex gloves that come in direct contact with the adhesive will not rip.

LASER LAYFLAT LINERS:
Historically 96# (thick) liners were used to keep sheet labels from curling. They are still used today, but not typically with laser printers. With the advent of cut sheet laser printers, such liners exceeded thickness capabilities of most laser printers. As a result, most liner manufacturers reengineered 40-50# liners to confirm to the printer requirements. Instead of thickness to provide dimensional stability, the moisture content of the liner is set at a specific range, typically the same range as the facestock. During construction of the composite product (facestock, adhesive, liner), the moisture in the facestock and liner are reduced and then remoisturized uniformly in conjunction with specific tension control to provide dimensional stability.

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