Unfilled Polyester is a subcategory of Polyester. The additative is added during the manufacturing process. Its elastic modulus ranges from 280 to 435 MPa. Its flexural modulus ranges from 330 to 400 MPa. Its tensile strength ranges from 8200 to 8700 MPa at break. Its flexural strength ranges from 12000 to 16700 MPa. Its compressive strength ranges from 8600 to 14500 MPa. Its Izod Impact strength ranges from 0.7 to 1 J/cm. Its elongation at break ranges from 50 to 300 %. Its hardness ranges from 68 to 78 Rockwell M. Its specific gravity ranges from 1.3 to 1.38. Its coefficient of thermal expansion ranges from 60 to 95 x 10-6/°C. Its melting temperature ranges from 220 to 267 °C. Its molding pressure ranges from 4 to 10 MPa.
Other common Polyester include 30% Glass Fiber Reinforced Polyester, 30% Long Glass Fiber Reinforced Polyester, 40% Long Glass Fiber Reinforced Polyester, 50% Long Glass Fiber Reinforced Polyester, 60% Long Glass Fiber Reinforced Polyester, 25% Random Glass Mat Polyester, 35% Random Glass Mat Polyester, 40-50% Glass Fiber and Mineral Reinforced Polyester, 35% Glass Fiber and Mica Reinforced Polyester, Impact Modified Polyester, 50% Glass Fiber Reinforced Polyester, 7 - 15% Glass Fiber Reinforced Flame-Retardant Grade Polyester, 35% Glass Fiber Reinforced Flame-Retardant Grade Polyester, 30% Carbon Fiber EMI Shielding (conductive) Polyester, Unfilled Polyester, 7.0 - 30% Glass Fiber Reinforced Polyester, Unreinforced Flame-Retardant Polyester, 15% Glass Fiber Reinforced Polyester, 30% Glass Fiber Reinforced Polyester, 40% Glass Fiber Reinforced Polyester, 27 - 30% Glass Fiber and Mineral Reinforced Polyester, 40% Glass Fiber and Mineral Reinforced Polyester, 20% Glass Flame-Retardant Polyester, 30% Glass Flame-Retardant Polyester, 40% Glass Flame-Retardant Polyester, 15% Glass Fiber Reinforced Polyester, 20% Glass Fibre Reinforced Polyester, 30% Glass Fiber Reinforced Polyester, Unfilled Polyester, Unfilled Polyester, 15% Glass Fiber Reinforced Polyester, 30% Glass Fiber Reinforced Polyester, 40 - 45% Glass Fiber Reinforced Polyester, 35% Glass, Super Toughened Polyester, 15% Glass Easy Processing Polyester, 30% Glass Flame-Retardant, V-0 1/32 Polyester, 15% Glass Flame-Retardant, V-0 1/32 Polyester, 15-20% Glass Flame-Retardant Polyester, 30% Glass Flame-Retardant Polyester, 40% Glass Flame-Retardant Polyester, 35 - 45% Glass Fiber and Mica Reinforced Polyester, 30% Long Glass Fiber Reinforced Polyester, 40% Long Glass Fiber Reinforced Polyester, 50% Long Glass Fiber Reinforced Polyester, 60% Long Glass Fiber Reinforced Polyester, 30% PAN Carbon Fiber EMI Shielding (conductive) Polyester, Recycled Content, 30% Glass Fiber Polyester, Recycled Content, 45% Glass Fiber Polyester, Recycled Content, 35% Glass/mineral Reinforced Polyester, Unfilled PETG Polyester, Unfilled Copolyester Polyester, P / PC Blend High Impact Polyester, P / PC Blend, 30% Glass Fiber Reinforced Polyester, P / PC Blend Flame-Retardant Polyester, Unfilled Medium Melting Point Polyester, Unfilled High Melting Point Polyester, 30% Carbon Fiber Reinforced Polyester, 40% Glass Fiber Filled Polyester, 40% Glass Plus 10% Mineral Filled Polyester, 30 - 50% Mineral Filled Polyester, 30% Glass Fiber Reinforced Polyester, 30% Glass Reinforced High HDT Polyester, and Unfilled Platable Grade Polyester.