Material:GRP

1.The plate have a minimum thickness of 5 mm .                               

2. Capable of withstanding a static load of 150 kg applied centrally over a 150mm square surface area with a deflection, measured at the centre of the plate, not exceeding 25 mm.                      

3.Resin to glass ratio is 75% to 25% by weight with a tolerance of ± 5%.   

4.GRP Sealing plate is gas tight from both sides.                            

5.GRP Sealing plate seal material is EPDM.                                

6.The sealing plates have four securely laminated GRP lifting handles.