Ntim PE Ncab Zaj Duab Xis
Hom: Ncab Zaj Duab Xis
Kev Siv: Ntim Zaj Duab Xis
Nta: Cov pov thawj noo noo
Hardness: Mos
Hom: Casting
Hauj lwm lawm
Ntim PE Ncab zaj duab xis yog tsim nrog cov mis tshwj xeeb thiab muaj cov khoom tiv thaiv zoo heev. Thaum siv, nws tuaj yeem txo cov hluav taws xob hluav taws xob zoo li qub thiab kev nqus cov hluav taws xob, yog li ua kom muaj zog huv si thiab kev zoo nkauj ntawm cov khoom ntim khoom. Cov yam ntxwv no yog tsim nyog tshwj xeeb rau cov khoom lag luam muaj cov khoom kom huv, kom ntseeg tau tias qhov zoo ntawm cov khoom lag luam tsis muaj kev cuam tshuam thaum khaws cia thiab kev thauj mus los.
|
ASTM Kev Ntsuas Txuj Ci |
|
Cov tseem ceeb |
|||
|
Ntsuas |
|
50 |
60 |
75 |
100 |
|
Qhov tsawg kawg nkaus siv kub |
|
-50 degree |
-50 degree |
-50 degree |
-50 degree |
| Ntau tshaj plaws khaws cia kub qhuav ({2- yr max.) |
32 Qib |
32 Qib |
32 Qib |
32 Qib |
|
|
Ntsws cua kub (degree) |
121 Degree -176} degree c |
121 Degree -176} degree c |
121 Degree -176} degree c |
121 Degree -176} degree c |
|
|
Ntom ntom @ 23 Qib C (G / CC) |
D1505 |
0.925 |
0.925 |
0.925 |
0.925 |
|
Kub Siab% |
D1003 |
2.5 |
2.5 |
2.8 |
3.0 |
|
Gloss% |
D2457 |
88 |
89 |
90 |
90 |
|
Ntsuas Qhov Cuam Tshuam Lub Zog (LBS) |
D3763 |
14 |
19 |
23 |
33 |
| Coefficient ntawm kev sib txhuam (Zaj duab xis-rau-zaj duab xis, kev ua ke) |
D1894 |
0.3 |
0.3 |
0.3 |
0.3 |
|
Dej Vapor Xa Tus Nqi |
F1249 |
2.0 |
1.5 |
1.2 |
0.9 |
|
Cov pa oxygen kis |
D3985 |
9000 |
8500 |
7500 |
5900 |
|
Ld / td |
Ld / td |
Ld / td |
Ld / td |
||
|
Tensile lub zog (psi) |
D882 |
18000/19000 |
18000/19000 |
18000/19000 |
18000/19000 |
|
Elongation thaum so (%) |
D882 |
90/120 |
90/130 |
90/140 |
120/130 |
|
Modulus ntawm elasticity (psi @ 22 degree c) |
D882 (A) |
70000/71000 |
70000/71000 |
70000/71000 |
70000/71000 |
|
Kua muag propagatioin (GMS) |
D1938 |
3.5/3.5 |
4.0/5.2 |
5.3/6.9 |
6.2/9.4 |
|
Dawb ntsws (%) |
D2732 |
||||
|
@95 |
11/18 |
11/18 |
11/18 |
11/18 |
|
|
@105 |
23/33 |
23/33 |
23/33 |
23/33 |
|
|
@115 |
55/57 |
55/57 |
55/57 |
55/57 |
|
|
@125 |
79/77 |
79/77 |
79/77 |
79/77 |
|
|
@135 |
80/78 |
80/78 |
80/78 |
80/78 |
Peb cov yeeb yaj kiab shrink tau zoo heev UV tsis kam thiab tuaj yeem thaiv kev puas tsuaj ntawm cov khoom siv ultraviolet tshav ntuj rau cov ntsiab lus ntawm pob. Cov yeeb yaj kiab no tso cai rau cov zaj duab xis kom tswj cov khoom lag luam zoo, tsis tas yuav muaj fading lossis tsis zoo thaum siv sab nraum zoov lossis raug teeb rau lub teeb ntev. Tshwj xeeb tshaj yog nyob rau hauv cov ntim khoom noj, tshuaj pleev ib ce thiab tshuaj lom neeg tuaj yeem txuas ntxiv lub txee lub neej ntawm cov khoom lag luam thiab coj cov neeg siv khoom siv ntim khoom zoo dua.
Thaum tshav kub khi kev ua tau yog ib qho ntawm cov ntsuas tseem ceeb ntawm cov yeeb yaj kiab ntsws. Cov yeeb yaj kiab peb tsim muaj kev ua tau zoo ntawm tshav kub, txawm tias nws yog cov khoom siv hluav taws xob siab siv lossis ua kom muaj kev sib tw ua haujlwm ruaj khov thiab zoo nkauj heev. Nws cov yam ntxwv qis-kub sib xyaw tsis tsuas yog txo hluav taws xob, tab sis kuj tseem txhim kho kev ua tau zoo. Ruaj Ntseg Thaum Tshav Kub Kub Sealing Cov Nqes Ceev Ua kom tau kom yooj yim tawg lossis tawg thaum lub sijhawm thauj mus los thiab khaws cia, ua kom muaj kev ncaj ncees thiab kev nyab xeeb ntawm cov khoom.
Txhawm rau kom ntseeg tau tias cov khoom tuaj yeem xa tuaj rau cov neeg siv khoom siv tau zoo thiab nyab xeeb, peb tau tsim txoj kev thauj khoom nruj:
Txhua pawg ntawm cov yeeb yaj kiab ntsws yog ntim rau hauv cov yob raws li cov ntaub ntawv ntim ntim sab nraud kom ntseeg tau cov khoom lag luam zoo thaum thauj khoom.
Cov khoom ntim khoom ntim tau khaws cia rau hauv qhov kub tsis tu ncua thiab cov chaw ntim khoom qhuav thiab cov av noo nruj me ntsis kom tsis txhob muaj kev cuam tshuam rau kev hloov ib puag ncig ntawm zaj duab xis.
Raws li cov neeg siv khoom xaj, peb ua haujlwm nrog cov tuam txhab uas thauj khoom thauj (xws li cov khoom thauj mus los yog huab cua tau mus cuag cov qhua tuaj noj mov kom sai thiab nyab xeeb. Thaum lub sijhawm thauj mus los, peb tseem muab cov kev pabcuam tiag tiag kom cov neeg siv khoom paub txog cov xwm txheej ntawm cov khoom lag luam txhua lub sijhawm.
Tom qab cov khoom muag tuaj txog, peb pab cov qhua tuaj noj mov hauv cov khoom lag luam. Yog tias muaj teeb meem dab tsi, peb muab cov lus teb ceev ceev tom qab muag kom ntseeg tau cov neeg siv khoom txaus siab.
Los ntawm cov khoom lag luam zoo kev ua tau zoo thiab cov kev pabcuam thauj mus los, muab cov khoom siv hluav taws xob thib ntxiv los pab lawv ua kom cov khoom muaj txiaj ntsig zoo.
