4. The principal
-It’sathinplasticstripthatholdsitspositionwhenbentanddoesnotbounceback.
-100%polyethylene;therearenoadditivesormetalwiresinside.Itsmalleabilityresultssolelyfromthewaytheplasticismanufactured.
Why?
-Thisplasticisusefulwhenyouneedshaperetentioninyourproductandyoucannotusemetal.Comparedtometal,therearefewerworriesaboutsafetyandallergies,itislighterweight,itisnotconductive,anditisnotdetectablebyX- rays.