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Showing posts from August, 2023

Density of different Polymer :

  Density of different Polymer :  Unit : gms/cm3 PET  (Polyethylene Terephthalate) 1.38  HDPE   (High Density Polyethylene) 0.941 PVC   (Polyvinyl Chloride) 1.38 LDPE   (Low Density Polyethylene) 0.910: 0.940 PP   (Polypropylene) 0.905 PS   (Polystyrene) 0.96: 1.05
   Nonwoven Fabric :-  There is many type of nonwoven fabric in market & also there is many kind of process for making the nonwoven fabric .                Polypropylene Spunbond Nonwoven fabric production process mostly use in for making fabric for  Shoping bags , Rice Bag  & other packaging application . Hydrophic Nonwoven :- Hydrophic means repell the water . Hydrophilic Nonwoven :- Use mostly in diaper & napkin applications . Hydrophilic Nonwoven fabric produce through adding hydrophilic MB or online/offline kiss roller coating using hydrophilic chemical . Polymer Use for Nonwoven Fabric Production : - Spun bond , Spun bond - Melt Blown - Spun bond Polypropylene - 25 to 35 MFI   ( Only use for Polypropylene spunbond fabric  making ) Polypropylene - 1200 MFI  (  Use for Polypropylene Melt Blown Fabric Production )