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Polyester and Antifreeze

Answered as per Shafi'i Fiqh by Seekersguidance.org

Polyester and Antifreeze

Question: Is it permissible to use polyester and antifreeze given that they are made from Ethylene glycol?


Wa alaykum assalam wa rahmatullahi wa barakatuh,

Dear questioner,

Thank you for your important question.

Using polyester and antifreeze is completely fine. Either because of chemical change (istihala), duress (umum al-balwa), or because we don’t consider their ingredient (ethylene glycol) to be filthy to begin with.

Please see:

I pray this helps.

[Ustadh] Farid

Checked and Approved by Shaykh Faraz Rabbani

Ustadh Farid Dingle has completed extensive years of study in the sciences of the Arabic language and the various Islamic Sciences. During his studies, he also earned a CIFE Certificate in Islamic Finance. Over the years he has developed a masterful ability to craft lessons that help non-Arabic speakers gain a deep understanding of the language. He currently teaches courses in the Arabic Language

This answer was collected from Seekersguidance.org. It’s an online learning platform overseen by Sheikh Faraz Rabbani. All courses are free. They also have in-person classes in Canada.

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