New safety regulations imposed by Ministry of Manpower (MOM) for engineers in Singapore. 
MYLAR FOIL WATER VAPOUR BARRIER
VAPOUR STOP FOIL IS A THREE LAYER LAMINATION OF POLYESTER FILM / ALUMINIUM FOIL / POLYESTER FILM IN VERY THIN GAUGES, SPECIALLY DESIGNED AS VAPOUR BARRIER IN THERMAL INSULATIONS. VAPOUR STOP FOIL COMBINES THE EXCELLENT VAPOUR BARRIER PROPERTIES OF ALUMINIUM TO THE OUTSTANDING MECHANICAL. CHEMICAL AND THERMAL CHARACTERISTICS OF POLYESTER FILM, THUS GIVING AN IDEAL, FLEXIBLE AND EFFICIENT BARRIER MATERIAL SUITABLE FOR OUTDOOR.
MATERIALS
POLYESTER FILM 12 OR 25 MICRONS THICK
ALUMINIUM FOIL 25 OR 50 MICRONS THICK
POLYESTER FOIL 12 OR 25 MICRONS THICK
PHYSICAL PROPERTIES
SPECIFIC GRAVITY : 2.2KG/DM3
CHEMICAL PROPERTIES
FUNGUS RESISTANCE : NO ATTACK
THERMAL PROPERTIES
MELTING POINT (POLYESTER) : 250/265 DEGRESS C
TEMPERATURE RESISTANCE : -60/+150 DEGREES C