Title: ???(Tensile properties)-????(Ts)????(Te)
1- ??????????????
- ???(Tensile properties)-????(Ts)????(Te)
- ????(Flexural Properties)-????(Fs)?????(Fm)
- ????(Impact Strength)
- ???(Flammability)
- ?????(Heat Deflection Temperature)
- ???(Melt Flow Index)
- ???(Electrical Properties)
- ????(Rockwell Hardness)
- ??(Specific Gravity)
- ?????(Mold Shrinkage)
2????(Tensile Properties)
??????????????,????????,?????,????,???????????????
???????????,??????????,????????????????????????
???? ? F/A ??? ? ?L/L?100
?????????????
?????????
3- ????(Tensile Stress)?????,????????????????
- ???(Tensile Strain)???????????????????????
- ???(Yield Point)???????,???????,?????????????????
??????????(Yield Strength),????????????(Elongation
at Yield)? - ????(Tensile Modulus)?????????,???????????????,??
??????????(????/???)???????? - ????(Breaking Strength)????(Break Point)????????
- ?????(Elongation at Break)????(Break
Point)???????? - ????(Tensile Strength)???????,??????????????????
??,????????????
- ????????????,?????????,??????????????,???????????
??????????????????????????????????????????
4GB1040????????????
- ??????????????GB1040?ASTM D638?ISO527,??????
- ???????????,?????????????????????????????????
- ????????????????????????,????????????????????????
???
5????(Flexural Properties)
???????????????,??????????????????,???????????????
??????????????????
- ????(Flexural Strength)???????????????,???????5?
???????????????????????????????? - ????(Flexural Modulus)???????????????????????????
?????????,????,??????,??????
6????Fs (3Pmax ? t) / 2bh2 ????Fm (t3 ? m) /
2bh2 ??b?????t ????????m ?????????3Pmax?????(?
?)?
- ??????????????GB9341?ASTM D790?ISO178,??????
- ???????????????????????????????
- ??????????????(???HL)?????(L)???,??????
7(No Transcript)
8????(Impact Strength)
???????????,????????????????????,??????????????,??
????,?????????,??????? ???????????????????,???????
???????????????????????????????????????,??????????
????
Izod?????Charpy???????????,????Izod???????????????
,?Charpy??????????????,??????????
Izod?????
Charpy?????
9?????
Izod????
Charpy????
?????
10???(Flammability)
?????????????,??????????????,???????????????,?????
?,??????,????????????,?????????,?????????????????,
?????????????
- ???????
- UL94??UL(Underwriters Laboratory)???????????,???
5VAgt5VBgtV-0gtV-1gtV-2gtHB? - IEC707?????????????????
- CSA22.2???No.0.6(Test AJ)???????????????????????
?UL????,??UL????,??UL?5V????,?UL???,???????????ID?
????,????????,UL?????????????????????(Certificatio
n)?
11- 1???????(HB Test Horizontal Burning Test)
- ???????????????,??????
- ??12.7cm?1.27cm?????(5???)
- ??????23?C,??50,48????
- ????????,2.54cm????,??????45?
???? ??gt3.2mm ??lt3.2mm
HB ????lt3.81cm/?? ????lt7.62cm/??
12- 2?????(Vertical Test)
- ????????????,??????
- ???????????10???????,???????????(?5??????)
- ????????HB????
- ????????,??????,??2cm
?? ?? ???? ???? ????? ??????? 5????? ??????? ????? ?????
V-0 lt10s lt30s lt50s ?
V-1 lt30s lt60s lt250s ?
V-2 lt30s lt60s lt250s ?
13- 3?5V????
- (Bar???????Plaque??????)
- ????(Bar)??
- ????????HB????
- ????????(????3.81cm/????12.7cm)
- ???????????5??,??????5??,????????5?
- ????(Plaque)??
- ????15cm?15cm ???(?3?)
- ???????????
?? ?? ????? ???? ????? ????? ???? ?????
5VA lt60s ? ?
5VB lt60s ? ?
?? ????
14?????(Heat Deflection Temperature)
??????????????,???????,?????,????????????,????????
?????0.254mm???????????????(HDT)?HDT??????????????
???,HDT??,??????????
- HDT???????A-1.82MPaB-0.45MPa
- ???????????????,??????????,??35min,?2C/min
???????????????0.254mm????? - ??????(??100???0.9600.968????gt300C???????)
HDT??????
15- ????
- ???2??????,?????3???
- ??120mm?15mm ?10mm
- ????????40?????????
???????
?????????????(HDT)????????????,??????????????????
???????????????????????????????,??????????????????
?????,??????????????,?????????
16??????(Melt Flow Index)
- ??????????,?????????????10?????????????,??????????
????????(MI)??,????????? - MI????????,??????????,????????????????,???????????
???????????MI?? - ???????????????????,??????????,???????????????????
,????
?????????????????????????,????????????????
???? (g/10min) ??????(g) ????(min) ??MI (g/10min)
0.151.0 2.53.0 6.0 1.67
1.03.5 3.05.0 3.0 3.33
3.510 5.08.0 1.0 10.00
1025 4.08.0 0.5 20.00
2550 4.08.0 0.5 40.00
17???(Electrical Properties)
????????????????????,???????????????????,?????????
??????????????????????????????,???????,???????????
????
- ???? Hot Wire Ignition(HWI)
- ??????? High Current Arc Ignition(HAI)
- ??? Arc Resistance
- ?????? Comparative TrackingIndex(CTI)
- ????????? High Voltage Arc Tracking
Rate(HVTR)????????????????,???????????,?????(5200
V)?????????(??????????????) - ???? Dielectric Strength???????????,????????,????
???????? - ????? Volume Resistivity????????????????????,????
??????????,?????,????? - ????? Surface Resistivity????????????????????????
?,???????????
181????? (HWI)???????,?????????,???????????????????
??
HWI(?) PLC??
gt 120 0
60120 1
3060 2
1530 3
715 4
lt 7 5
2????????(HAI)????????????????,??????????????(32.
5A)????(240V,60Hz)?,1????40???,???????????????
HAI(??) PLC??
gt 120 0
60120 1
3060 2
1530 3
015 4
19????(?) PLC??
gt 420 0
360420 1
300360 2
240300 3
180240 4
120180 5
60120 6
lt 60 7
3???? Arc Resistance?????????????????,???????(Con
ducting Path)?????????????????????????????,CTI????
??????????????
4???????(CTI)?????????,?????????????,????????,???
???????????????????,????(Ammonium Chloride
0.1??)??30????????,????50???????????
CTI(Volt) PLC??
gt 600 0
400600 1
250400 2
175250 3
100175 4
lt 100 5
20????(Rockwell Hardness)
???????????????????????,??????????????????????????
????,????????,???????
- 1???????gt6mm??gt13mm?
- 2???????,??????0???
- 3???15???????,?????,???????
- 4?15???,???????-RB(R?B?????)?
- 5??????????150-RB?
21?????????
???? (??????) ???? ( kg) ??? ( kg) ?????? (mm)
R 10 60 12.700?0.0025
L 10 60 6.350?0.0025
M 10 100 6.350?0.0025
E 10 100 3.175?0.0025
K 10 150 3.175?0.0025
???????????,??????????,??R??????????????,???????PC
,??R???????????,????M??????
22?????( Specific Gravity/Density)
- ????????????????4?C????????????
- ?????????(???????23?C )?,???????????,?g/cm3???
- ?????????????????????????????????????????,????????
????????????? - ??????,23?C????????1,????????????,???????????
?????0.99756?
- ????
- ???????????????,??????????????????????????????????
??,??????????????????????,??????????????? - ???(?????)??????????????????,?????????(??????????
)??????,???????????? - ???(??????)????????????????????????,??23?C???????
???????
23?????(Mold Shrinkage)
?? ?????,????????????????????,????????????????????
??????????????????????????????????????????????????
- ???????
- ?????,?????????,??????????
- ???????,?????????????,????????????????????????????
??,?????????????,????????? - ???????
- ?????,?????????????
- ??????????????????????,????,?????????????,????????
????????
24????????????