plastic formwork: 1. Material: PVC 2. Mechanical properties: Temparature of soft point: 101.5 oC Impact strength: 88 KJ/M2 Flexural strength: 88 MPa Flexural elastic modulus:3245 MPa Tensil strength: 33.4 MPa Rupture elongation:52.1 Service life: reusable 30 times