DonSpray504 is spray blend polyols, blowing agent is 245fa instead of HCFC-141B, it reacts with isocyanate to produce foam which has excellent performances, which are as follows,

1) sela tsara sy tsy mitovy

2) Fitondran-tena ambany

3) Fanoherana ny Flame Firt

4) Ny fahamarinan-toerana ambany ambany ambany.

Mihatra amin'ny karazana injeniera insulation rehetra izay mampiasa ny teknolojia spray, toy ny efitrano mangatsiaka, vilany, popirines lehibe ary metope misy sns.