Apejuwe
poliTetrahydrofuran jẹ́ ohun tí ó ní epo funfun tí ó rọrùn láti yọ́ nínú àwọn ọtí alcohols, esters, ketones, àti aromatic hydroerogbaàti àwọn hydrocarbons tí a fi chlorine ṣe, ṣùgbọ́n tí kò lè yọ́ nínú àwọn hydrocarbons aliphatic àti omi. Ó máa ń di omi tí ó mọ́ kedere nígbà tí ìwọ̀n otútù bá kọjá ìwọ̀n otútù yàrá.
ohun elo
Polytetrahydrofuran jẹ akọkọ ti a lo bi apakan rirọ ti polyurethane ti a ti pin tabi polyester polyester ti o ni ipin. Roba polyurethane ti a ti pin ti a ṣe lati polytetrahydrofuran pẹlu iwuwo molikula apapọ ti 1000 le ṣee lo bi awọn taya taya, awọn beliti gbigbe, awọn gaskets, ati bẹbẹ lọ; o tun le ṣee lo fun awọn aṣọ, Oríkĕ alawọ, fiimu, bbl Awọn segmented polyether poliesita produced ni a thermoplastic elastomer. Polytetrahydrofuran pẹlu iwuwo molikula apapọ ti 2000 le ṣee lo lati ṣe awọn okun rirọ 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, QinGDAo 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 (Ipo: India)
- Ammonium kiloraidi 99.5% Mining-odè
- Seismic Electric Detonator (Anti aimi, Resistance Omi)
- Barium kaboneti 99% lulú
- Cobalt Sulfate Heptahydrate
- kalisiomu kiloraidi 74% flakes
- Afikun Ounjẹ E330 Citric acid monohydrate
- 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
- 4Awọn Ilana Iṣawọle Sodium Cyanide & Ibamu - Aridaju Ailewu ati Ibamu ni Perú
- 5United ChemicalẸgbẹ Iwadii Ṣe afihan Aṣẹ Nipasẹ Awọn Imọye Ti Dari Data
- 6AuCyan™ Sodium Cyanide Tó Ń Ṣe Iṣẹ́ Gíga | Ìmọ́tótó 98.3% fún Iwakusa Wúrà Àgbáyé
- 7Detonator Digital Electronic (Aago idaduro 0 ~ 16000ms)


















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