Apejuwe
Poly Tetrahydrofuran jẹ́ ohun tí ó ní epo funfun tí ó rọrùn láti yọ́ nínú àwọn ọtí alcohols, esters, ketones, aromatic hydro Carbon s àti hydrocarbons tí a fi chlorine ṣe, ṣùgbọ́n tí kò lè yọ́ nínú àwọn hydrocarbons aliphatic àti omi. Ó máa ń yípadà sí omi tí ó mọ́ kedere nígbà tí ìwọ̀n otútù bá ju ìwọ̀n otútù yàrá lọ.
ohun elo
A maa n lo Polytetrahydrofuran gege bi apa rirọ ti polyurethane ti a pin si apakan tabi polyester polyether ti a pin si apakan. Roba polyurethane ti a pin si apakan ti a ṣe lati polytetrahydrofuran pẹlu iwuwo molikula apapọ ti 1000 le ṣee lo bi awọn taya, awọn beliti gbigbe, awọn gaskets, ati bẹbẹ lọ; a tun le lo fun awọn ibora , awọ atọwọda, awọn fiimu, ati bẹbẹ lọ. Polyester polyether ti a pin si apakan jẹ elastomer thermoplastic. Polytetrahydrofuran ti o ni iwuwo molikula apapọ ti 2000 le ṣee lo lati ṣe awọn okun roba polyurethane.
ni pato
Ọja | 250 | 650 | 1000 | 1400 | 1800 | 2000 | 3000 |
Ọja molikula àdánù | 250 ± 25 | 650 ± 25 | 1000 ± 50 | 1400 ± 50 | 1800 ± 50 | 2000 ± 50 | 3000 ± 100 |
Akiyesi (40ºCcp) | 50 | 205 | 270 | 660 | 1215 | 1225 | 1350 |
Atọka Refractive (nD25) | 1.462 | 1.462 | 1.463 | 1.463 | 1.464 | 1.464 | 1.464 |
Ibi yo (Tm,ºC) | -5 | 19 | 24 | 26 | 28 | 32 | 35 |
Nọmba Hydroxyl (mgKOH/g) | 408.0-498.7 | 166.2-179.5 | 106.9-118.1 | 77.4-83.1 | 60.6-64.1 | 54.7-57.5 | 36.2-38.7 |
ọrinrin (wt ppm) | 250max | 200max | 200max | 200max | 150max | 200max | 200max |
Chroma (APHA) | 40 Max | 40 Max | 40 Max | 40 Max | 40 Max | 40 Max | 40 Max |
Iye Acid (mg KOH/g) | 0.05 Max | 0.05 Max | 0.05 Max | 0.05 Max | 0.05 Max | 0.05 Max | 0.05 Max |
Peroxide (wt, ppm bi H2O2) | 2 Max | 2 Max | 2 Max | 2 Max | 2 Max | 2 Max | 2 Max |
Iyatọ (wt ppm) | 0.1 Max | 0.1 Max | 0.1 Max | 0.1 Max | 0.1 Max | 0.1 Max | 0.1 Max |
iduroṣinṣin (wt ppm bi BHT) | 250 ± 50 | 250 ± 50 | 250 ± 50 | 250 ± 50 | 250 ± 50 | 250 ± 50 | 250 ± 50 |
Aaye filasi (igo ṣiṣi) | ≥260 | ≥260 | ≥260 | ≥260 | ≥260 | ≥260 | ≥260 |
irin (wt ppm bi Fe) | 1 Max | 1 Max | 1 Max | 1 Max | 1 Max | 1 Max | 1 Max |
Awọn oriṣi Iṣakojọpọ:
200kg Irin ilu
16 MT 20'FCL
22 MT Isotank
certifications
ISO 9001. ISO 22716. cGMP ifọwọsi
Kosher, Hala ifọwọsi
sowo Information
MOQ: (Nitori iru gbigbe gbigbe kemikali, jọwọ kan si oluṣakoso iṣowo okun fun awọn alaye!)
Ibudo ti n gbe ẹrù: CHINA - Ibudo Shanghai, Ibudo Ningbo Zhoushan, Ibudo Guangzhou, Ibudo Qin GDA o Ibudo, Ibudo Tianjin, Ibudo Dalian, Ibudo Xiamen, Ibudo Lianyungang (a le rii daju ni ibamu si awọn ibeere ti awọn alabara)
Akoko Ifijiṣẹ: Awọn ọsẹ 4-6, da lori iwọn aṣẹ ati opin irin ajo
owo ofin
L/C, D/P, T/T ni iye owo eniti o ra
Ayẹwo wa lori ìbéèrè
Awọn orukọ pupọ
PTMG
b2000
PTMEG
polifurit
hiprenemc532
Terathane 1400
terathane (R) 1400
poly(butyleneoxide)
Poly (tetrahydrofuran)
(2S) -2-butoxybutan-1-ol
glycols, polytetramethylene
poly (oxy-1.4-butylene) glycol
alpha-hydro-omega-hydroxy-poly(oxy-4-butanediyl)
terathane 2000 polyether glycol (poly-tetrahydrof
4-butanediyl),.alpha.-hydro-.omega.-hydroxy-poly(oxy-1
- Akoonu ID
- Gbona akoonu
- Hot awotẹlẹ akoonu
- Onibara Rọ ati Alamọja Ibaṣepọ Olupese (Ibi: Nigeria)
- Dithiophosphate 25S
- Ṣiṣu Shock Tube (VOD≧1600m/s)
- Amonia Anhydrous 99% olomi
- Triethanolamine (TEA)
- Lithium kiloraidi, 99.0%,99.5%
- Benzonitrile
- 1Sodium Cyanide ẹdinwo (CAS: 143-33-9) fun iwakusa - Didara to gaju & Ifowoleri Idije
- 2Sodium Cyanide 98.3% CAS 143-33-9 Ohun elo asọ goolu NaCN Pataki fun Iwakusa Awọn ile-iṣẹ Kemikali
- 3Awọn Ilana Tuntun ti Ilu China lori Awọn agbejade Sodium Cyanide ati Itọsọna fun Awọn olura Kariaye
- 4Sodium Cyanide (CAS: 143-33-9) Ijẹrisi olumulo ipari (Ẹya Kannada ati Gẹẹsi)
- 5Cyanide International (Sodium cyanide) Koodu Isakoso - Awọn Ilana Gbigba Mine Gold
- 6Ile-iṣẹ China Sulfuric Acid 98%
- 7Anhydrous Oxalic acid 99.6% Ite Iṣẹ
- 1Sodium Cyanide 98.3% CAS 143-33-9 Ohun elo asọ goolu NaCN Pataki fun Iwakusa Awọn ile-iṣẹ Kemikali
- 2Iwa mimọ to gaju · Iduroṣinṣin Performance · Imularada ti o ga julọ - cyanide soda fun mimu goolu ode oni
- 3Awọn afikun Ounje Sarcosine Afẹsodi 99% min
- 4United ChemicalẸgbẹ Iwadii Ṣe afihan Aṣẹ Nipasẹ Awọn Imọye Ti Dari Data
- 5AuCyan™ Sodium Cyanide Tó Ń Ṣe Iṣẹ́ Gíga | Ìmọ́tótó 98.3% fún Iwakusa Wúrà Àgbáyé
- 6Detonator Digital Electronic (Aago idaduro 0 ~ 16000ms)
- 7Agbara-giga, Giga-konge Shock Tube Detonator
Ijumọsọrọ ifiranṣẹ lori ayelujara
Fi asọye: