Typical specification(weight is only for reference) 
规格Specification       重量Weight(kg/m2 )
S-8-1.6                                 5.5                             
S-8-1.4                                 4.2                             
S-6-1.4                                 6.3                             
S-6-1.2                                 3.9                             
S-5-1.2                                 6.5                             
S-5-1.0                                 3.3                             
S-4-1.0                                 5.9                             
S-4-0.9                                4.3                             
S-3-0.7                                2.8