Phim khuyech dai anh sang la mot tam plactis duoc phu mot lop trang bac ben ngoai giup nang cao do sang cua cac loai den chieu sang len gap 02 lan, giup tiet kiem tu 30 - 50% dien nang tieu thu.

Phim khuyech dai anh sang co cac kich thuoc sau: 1180 mm*160 mm/200mm/240mm/290mm  ,duoc lap dat bang cach gan truc tiep vao mang heo.

Neu ban dang su dung mang den co 02 bong thi khi su dung Phim khuyech dai anh sang ban co the bo bot di 01 bong den nhung do sang van dam bao bang hoac sang hon so voi 02 bong.

Phim khuyech dai anh sang hien dang duoc su dung pho bien tai cac xi nghiep, nha xuong may mac, giay da, tui xach, cac truong hoc, benh vien, sieu thi,....