Grade: | Mass per UnitArea (g/m2) | Thickness (mm) | Flow Time (s) (6ml) | Dry Bursting Strength (kPa≥) | Wet Bursting Strength (kPa≥) | color |
WS80K: | 80-85 | 0.2-0.25 | 5″-15″ | 100 | 50 | white |
WS80: | 80-85 | 0.18-0.21 | 35″-45″ | 150 | 40 | white |
WS190: | 185-195 | 0.5-0.65 | 4″-10″ | 180 | 60 | white |
WS270: | 265-275 | 0.65-0.7 | 10″-45″ | 550 | 250 | white |
WS270M: | 265-275 | 0.65-0.7 | 60″-80″ | 550 | 250 | white |
WS300: | 290-310 | 0.75-0.85 | 7″-15″ | 500 | 160 | white |
WS370: | 360-375 | 0.9-1.05 | 20″-50″ | 650 | 250 | white |
WS370K: | 365-375 | 0.9-1.05 | 10″-20″ | 600 | 200 | white |
WS370M: | 360-375 | 0.9-1.05 | 60″-80″ | 650 | 250 | white |