Rock wool - Import export

The maximum temperature strength of standard type pre-insulated pipes is 140 °C. For this reason, rock wool reinforced (industrial type) pre-insulated seamless steel pipes must be used in lines that are required to operate at higher temperatures such as hot water, hot oil and steam lines.

Some general technical details ; Central lock system provides you full safety up against strikes . Avoid from  , dust wind and beetles door has rubber below the door . Stopper for preserving door and wall clash . Doors have wood coatings are proper every enjoyment and intended color and patterns . Doors have vertical steel supports to bring drableness for  the body of door . Doors have rock wool for heat and voice insulation . The body of door is bulletproof and enduring for any kind strikes . BT STEEL DOOR