A product, generally in sheet form, and suitable for use as an underlay for a floor covering intended for permanent installation, allows adjustment in positioning on placement into its intended position. It comprises a layer (12) comprising crumb-rubber material and having a first side and a second side without a scrim or other strengthening layer applied to the crumb-rubber layer on either the first or the second side thereof. A coating of a high-grab pressure sensitive adhesive (16) is applied directly to at least part of an exposed surface of at least one of the first and second sides. The high-grab adhesive comprises an adhesive having, after 24 hours adhesive binding dwell-time, a 90° peel adhesion at 300 mm/minute, as measured by FINAT Test Method No. 2, of between 4.35 and 21.76 Newtons/25 mm width at room temperature (23°C ± 1° C) and at a relative humidity of 50% ± 5%.
UNDERLAY
UNTERLAGE
SOUS-COUCHE
2018-12-26
Patent
Electronic Resource
English
IPC: | B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM , Schichtkörper, d.h. aus Ebenen oder gewölbten Schichten, z.B. mit zell- oder wabenförmiger Form, aufgebaute Erzeugnisse / A47G Haushalt- oder Tafelausstattung , HOUSEHOLD OR TABLE EQUIPMENT / B60N SEATS SPECIALLY ADAPTED FOR VEHICLES , Sitze besonders für Fahrzeuge ausgebildet |