A low specific gravity injection mortar based on natural limes free ftrom efflorescing salts combined with selected inert materials and additives that modify the rheological properties. PLM-AL is used for the consolidation of frescoes, vault wall paintings and valuable plasters, detached from the mural substrate, to which it gives new roughcast characteristics without increasing weight of the supporting structure.
PHYSICAL AND CHEMICAL PROPERTIES:
Appearance: white-greyish powder
Setting time-begining: 21 – 52 hours
Specific gravity: 0,6 kg/dm3
Compressive strength: 9.2 kg/cm²