Polytetramethylene / PTMG / Polybutylene glycolpicture1
Polytetramethylene / PTMG / Polybutylene glycolpicture2
Polytetramethylene / PTMG / Polybutylene glycolpicture3
Polytetramethylene / PTMG / Polybutylene glycolpicture4
Polytetramethylene / PTMG / Polybutylene glycolpicture5

Polytetramethylene / PTMG / Polybutylene glycol

(CAS: 25190-06-1)
CAS25190-06-1
MFC16H33O5X2
imọ ni pato≥99.50%
  • Awọn ipele ti ewu:3
  • NỌMBA UN:2056
  • HS koodu:39072020
  • MW:305.43
  • Ìwúwo:1g / milimita
  • Ìfarahàn:omi ti ko ni awọ

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alaye:

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

O le tun fẹ

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