·隔热、防火、无毒、小巧、防潮、重量轻单只阻火包外形尺寸720型约320×180×40mm,400型约260×160×30mm,250型约240×120×30mm,整件阻火包外形尺寸720型约80×50cm,400型约80×50cm,250型约75×50cm