... , Impact resistant, and Anti-rust, weather-ability, insulating, durable (30years), Locking option. Anti-abrasion:fibreglass content above 28%,when demage,no ... the cast iron one, and 1/2 of the BMC with steel one. Convenient for transport, security check, install,open and ... be up to 25-60 Ton based on size. Complies with requirements of EN124:A15,B125, C250,D4009. wafery edge design ...