... :1 wear-resistant,anti-cracking,anti-acid and alkaline-resistant2 no color cotamination between the concrete and ... construction, and package.12) Excellent physical performance. Black/Brown Film Faced PlywoodFilm faced shuttering plywood/marine plywood/concrete ... 12mm,15mm,18mm,20mm,21mmfilmBlack film, domestic brown film, imported dynea brown filmLength(width) tolerance+/-0.2mmThickness tolerance+/-0 ...