Tech Support: Materials
SLA Resins
|
POLYPROPYLENE MOLDED
PHYSICAL PROPERTIES
| Density |
0.0325-0.0448 lb/in3 |
| Water Absorption |
0.01-0.1 % |
| Moisture Absorption at Equilibrium |
0.1 % |
| Moisture Vapor Transmission |
23.9 cc-mil/100 in²-24hr-atm |
| Oxygen Transmission |
241 cc-mil/100 in²-24hr-atm |
| Environmental Stress Crack Resistance |
1000 hour |
| Linear Mold Shrinkage |
Min. 0.006 in/in |
| Melt Flow |
0.5-136 g/10 min |
MECHANICAL PROPERTIES
| Hardness, Rockwell R |
70-113 |
| Hardness, Shore D |
68-83 |
| Tensile Strength, Ultimate |
2860-11600 psi |
| Tensile Strength, Yield |
1740-6240 psi |
| Elongation @ break |
3-887 % |
| Elongation @ Yield |
3.5-110 % |
| Tensile Modulus |
72.5-1100 ksi |
| Flexural Modulus |
79.8-350 ksi |
| Flexural Yield Strength |
3450-7250 psi |
| Compressive Yield Strength |
6820-7250 psi |
| Izod Impact, Notched |
0.3-NB |
| Izod Impact, Unnotched |
12-31.1 ft-lb/in |
| Izod Impact, Unnotched Low Temp |
4.96-40.1 ft-lb/in |
| Izod Impact, Notched Low Temp |
0.506-2 ft-lb/in |
| Charpy Impact, Unnotched |
6.66-NB |
| Charpy Impact, Notched Low Temp |
0.619-80.9 ft-lb/in2 |
| Charpy Impact, Unnotched Low Temp |
3.81-109 ft-lb/in2 |
| Charpy Impact |
0.952-45.2 ft-lb/in2 |
| Gardner Impact |
0.885-21.8 ft-lb |
| Low Temperature Gardner Impact |
8.11-35.4 ft-lb |
| Tensile Creep Modulus, 1 hour |
79800-102000 psi |
| Tensile Creep Modulus, 1000 hours |
31900-63800 psi |
ELECTRICAL PROPERTIES
| Electrical Resistivity |
1E+14-1E+17 ohm-cm |
| Dielectric Constant |
2.2-2.3 |
| Dielectric Constant, Low Frequency |
2.3 |
| Dielectric Strength |
559-3560 kV/in |
| Dissipation Factor |
0.0002-0.002 |
| Dissipatin Factor, Low Frequency |
0.00007--0.00081 |
| Surface Resistance |
1E+10-1E+14 ohm |
| Arc Resistance |
136 sec |
| Comparative Tracking Index |
600 V |
THERMAL PROPERTIES
| CTE, linear 200 C |
13.9-103 µ in/in-°F |
| Heat Capacity |
0.478 BTU/lb-°F |
| Thermal Conductivity |
0.694-0.902 BTU-in/hr-ft²-°F |
| Melting Point |
266-334°F |
| Maximum Service Temperature, Air |
111-298°F |
| Deflection Temperature at 0.46 MPa |
55.4-460°F |
| Deflection Temperature at 1.8 MPa |
98.6-298°F |
| Vicat Softening Point |
95-298°F |
| UL RTI, Electrical |
149°F |
| UL RTI, Mechanical with Impact |
149°F |
| UL RTI, Mechanical without Impact |
149°F |
| Flammability, UL94 |
HB |
OPTICAL PROPERTIES
PROCESSING PROPERTIES
| Processing Temperature |
396-486°F |
| Rear Barrel Temperature |
428°F |
| Middle Barrel Temperatue |
428°F |
| Front Barrel Temperature |
428°F |
| Nozzle Temperature |
428°F |
| Mold Temperature |
95-120°F |
| Drying Temperature |
180°F |
this is text meant just to take up lots of space at the bottom of the page, so that if
there is only a table or something in the content part of this page, the content still
takes up the majority of the screen. if there is not any text here, then sometimes there
will be just a table here, and the left navigation bar to the left will be kinda wide...
|
|
