3m scotch 1436f soft aluminium tapes 3m xt661552155 p this thin soft aluminium adhesive tape from 3m has a transparent adhesive and is ideal for masking sealing reflecting heat and light and masking when anodising aluminium it also serves as a moisture barrier p p it provides high resistance to ageing strong heat and light reflection plus good chemical resistance and low flammability class l p 3m xt661552155 scotch 1436f soft aluminium adhesive tape 50mm x 50m