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| Parameters | |||
| Item | Composite frp/grp hollow pultruded round tube | ||
| Raw Materials | Fiberglass + Resin (ORTHO/ISO/Vinyl Ester/Phenolic)+Additives | ||
| Colors | You can choose from RAL Card.Yellow, Red, Blue, White, Grey are our normal one | ||
| Grating Type | Resin Type | Description | Grating Type | Application |
| Type V | Vinyl Ester | Superior Corrosion Resistance and Fire Retardant | 110℃ | Environment with serious corrosion issues |
| Type I | Isophthalic Polyester Resin | Industrial Grade Corrosion Resistance and Fire Retardant | 105℃ | Environment of middle concentration inorganic acid, alkali |
| Type O | Orthophthalic Polyester Resin | Moderate Corrosion Resistance and Fire Retardant | 70℃ | For use in waster,waster or air-ageing application,light industrial application where the environment is moderate |
| Type P | Phenolic Resin | Low smoke and superior Fire Retardant | 180℃ | Offshore and subway application where fire resistance, low smoke and low toxic fumes are critical |


| Advantages | |||
| Anti-Corrosion | resistance to acid, alkali, organic dissolvent and other gas and liquid mixture. | ||
| Anti-Fire / Safety | Good performance of electric insulation,10KV no voltage breakdown. No electro-magnetic behavior. No electric spark. Oxygen index≥32, Anti-fire | ||
| Anti-aging | Have more than 20 years effective service life under normal outdoor working condition. | ||
| Light Weight / High Strength | Low Density (about 1.85x10^3kg/m^3), 1/4 of steel ,2/3 of aluminum.Specific strength | ||
| Easy maintenance | have alternative and bright colors. Non-fading. Easily for clean. | ||













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