chikwangwani_cha tsamba

zinthu

Wopereka zinthu zopangidwa ndi polypropylene PP granules pulasitiki

kufotokozera mwachidule:

PolypropyleneNdi polima yomwe imapezeka powonjezera polymerization ya propylene. Ndi chinthu choyera ngati sera chomwe chimawoneka chowonekera komanso chopepuka. Fomula ya mankhwala ndi (C3H6)n, kuchuluka kwake ndi 0.89 ~ 0.91g / cm3, imatha kuyaka, malo osungunuka ndi 189 °C, ndipo imafewa pafupifupi 155 °C. Kutentha kwake ndi -30 ~ 140 °C. Sizimakhudzidwa ndi dzimbiri chifukwa cha asidi, alkali, mchere ndi zinthu zina zachilengedwe zosakwana 80 °C, ndipo zimatha kuwola chifukwa cha kutentha kwambiri komanso okosijeni.


Tsatanetsatane wa Zamalonda

Ma tag a Zamalonda


INDEX

Pulojekiti Yowunikira

Chiyerekezo cha Ubwino

Zotsatira za mayeso

Muyezo

Tinthu takuda, ma PC/kg

≤0

0

SH/T1541-2006

Tinthu ta utoto, ma PC/kg

≤5

0

SH/T1541-2006

Tirigu wamkulu ndi wamng'ono, s/kg

≤100

0

SH/T1541-2006

chizindikiro chachikasu, palibe

≤2.0

-1.4

HG/T3862-2006

Kusungunuka kwa madzi, g/10mins

55~65

60.68

CB/T3682

Phulusa, %

≤0.04

0.0172

GB/T9345.1-2008

Kupsinjika kwa mphamvu yogwira ntchito, MPa

≥20

26.6

GB/T1040.2-2006

Modulus yosinthasintha, MPa

≥800

974.00

GB/T9341-2008

Mphamvu ya Charpy notched impact, kJ/m²

≥2

4.06

GB/T1043.1-2008

Chifunga, %

Kuyezedwa

10.60

GB/T2410-2008

PP 25

Polypropylene kusinthidwa:

1.PP kusintha kwa mankhwala

(1) Kusintha kwa Copolymerization

(2) Kusintha kwa graft

(3) Kusintha kwa ma cross-linking

2. Kusintha kwa thupi kwa PP

(1) Kusintha kwa kudzaza

(2) Kusintha kwa kusakaniza

(3) Kusintha kowonjezereka

3. Kusintha kowonekera bwino

PP 25

Kugwiritsa ntchito

Polypropylene imagwiritsidwa ntchito kwambiri popanga zovala, mabulangeti ndi zinthu zina za ulusi, zida zachipatala, magalimoto, njinga, zida zina, mapaipi oyendera, zotengera za mankhwala, ndi zina zotero, komanso imagwiritsidwa ntchito popanga chakudya ndi mankhwala.

MALANGIZO

Polypropylene, yomwe chidule chake ndi PP, ndi chinthu cholimba chopanda utoto, chopanda fungo, chopanda poizoni, komanso chowala bwino.

(1) Polypropylene ndi utomoni wopangidwa ndi thermoplastic wokhala ndi ntchito yabwino kwambiri, womwe ndi pulasitiki wopepuka komanso wopanda utoto wowala. Uli ndi mphamvu yolimbana ndi mankhwala, kukana kutentha, kutchinjiriza magetsi, mphamvu yamakina komanso mphamvu yabwino yokonza zinthu, ndi zina zotero, zomwe zimapangitsa kuti polypropylene igwiritsidwe ntchito mwachangu m'makina, magalimoto, zida zamagetsi, zomangamanga, nsalu, ndi ma CD kuyambira pomwe idakhazikitsidwa. Yakhala ikupangidwa kwambiri ndikugwiritsidwa ntchito m'magawo ambiri monga ulimi, nkhalango, usodzi ndi mafakitale azakudya.

(2) Chifukwa cha kusungunuka kwake, zinthu zopangidwa ndi polypropylene pang'onopang'ono zikulowa m'malo mwa zinthu zopangidwa ndi matabwa, ndipo mphamvu zake, kulimba kwake, komanso kukana kuwonongeka kwake pang'onopang'ono zalowa m'malo mwa ntchito za makina a zitsulo. Kuphatikiza apo, polypropylene ili ndi ntchito zabwino zolumikizira ndi kuphatikiza zinthu, ndipo ili ndi malo ambiri ogwiritsira ntchito mu konkire, nsalu, kulongedza ndi ulimi, nkhalango ndi usodzi.

KATUNDU

Polypropylene ili ndi zinthu zambiri zabwino:

1. Kuchulukana kwake ndi kochepa, 0.89-0.91 yokha, yomwe ndi imodzi mwa mitundu yopepuka kwambiri ya mapulasitiki.

2. Makhalidwe abwino a makina, kuwonjezera pa kukana kugunda, makhalidwe ena a makina ndi abwino kuposa polyethylene, ndipo ntchito yake ndi yabwino kwambiri.

3. Ndi kukana kutentha kwambiri, kutentha kogwiritsidwa ntchito kosalekeza kumatha kufika 110-120℃.

4. Makhalidwe abwino a mankhwala, pafupifupi palibe kuyamwa madzi, palibe kuyankhidwa ndi mankhwala ambiri.

5. Kapangidwe koyera, kosakhala ndi poizoni.

6. Kuteteza magetsi bwino.

7. Kuwonekera bwino kwa zinthu zopangidwa ndi polypropylene kuli bwino kuposa kwa zinthu zopangidwa ndi polyethylene yochuluka.

Giredi B PP 2
Giredi B PP 3

Kulongedza ndi Kusunga

50/ng'oma, 25kg/ng'oma kapena yokonzedwa malinga ndi zomwe kasitomala akufuna.

Kuwonjezera pa izi, zinthu zathu zodziwika bwino ndikuyendayenda kwa fiberglass, mphasa za fiberglassndisera yotulutsa nkhungu.Tumizani imelo ngati pakufunika.


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