3M 四季通用膜
                 
3M All Season Window film
       
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   P-18ARL
              
   LE35AMARL
                        
   LE20SIARL
                        
   RE50NIARL
                           
                           
3M 四季通用膜是一款Low-E膜:即低辐射保温功能的隔热膜,夏天隔热,冬季保温,其传热系数较一般普通隔热膜低。保温率高达30%。采用的Almar金属材料涂层,彰显高贵品质。