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Tham khảo tài liệu 'modern plastics handbook 2011 part 14', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | TABLE 11.18 Test Conditions and Format for Presentation of Single-Point Data According to ISO 10350-1 1999 Specimen Test conditions and Property Standard type mm Unit supplementary instructions Rheological Properties Melt mass-flow rate Melt volume-flow rate ISO 1133 Molding compound g 10 min cm3 10 min At test conditions for temperature and load specified in Part 2 of appropriate material standards. ISO 2577 Thermosetting materials only in parallel and normal directions. Molding shrinkage ISO 294-4 60 X 60 X 2 ISO 294 3 type D2 Thermoplastic materials only in parallel and normal directions. Mechanical Properties At 23 C 50 RH Unless Noted Tensile modulus MPa Test speed 1 mm min between 0.05 to 0.25 strain. Stress at yield Strain at yield Nominal strain at break Stress at 50 strain Stress at break Strain at break ISO 527-1 and 527-2 ISO 3167 MPa MPa MPa Test speed 50 mm min if strain at yield or break 10 . Test speed 50 mm min if no yield at 50 Strain and 5 mm min if strain at break 0 . Tensile creep modulus Tensile creep modulus ISO 899-1 ISO 3167 MPa MPa At 1 h Strain 0.5 At 1000 h Flexural modulus Flexural strength ISO 178 80 X 10 X 4 MPa MPa Test speed 2 mm min Charpy impact strength ISO 179-1 or ISO 179-2 80 X 10 X 4 kJ m2 At 23 C and -30 C edgewise impact. Charpy notched impact strength 80 X 10 X 4 Machined V-notch with r 0.25 At 23 C and -30 C edgewise impact. Tensile impact strength ISO 8256 80 X 10 X 4 Machined double V-notch with r 1 kJ m2 At 23 C record if fracture cannot be observed with notched Charpy test. Puncture impact behavior ISO 6603-2 60 X 60 X 2 Record maximum force and energy at 50 decrease in force after the maximum Striker velocity 4.4 m s striker diameter 20 mm specimen clamped sufficiently to prevent any out-ofplane movement striker lubricated. Thermal Properties Melting temperature ISO 11357-3 Molding compound C Record peak melting temperature at 10 C min. Glass transition temperature ISO 11357-2 Molding compound C Record midpoint .
