Plastic 2 prakar ke hote hai
1 thermoplastic
2 thermosetting plastic
Wo plastic jo ek baar heat dene k baad soft ho jate hai aur easily doosrey article me convert ho jate hai .isme na unki physical property change hoti hai n chemical property change hoti bus sirf physical look change ho jata hai
Jabki thermosetting plastic me agar ek baar kisi article ko heat kiya to fir se wo dobara nhi change nhi hoga aur material degrade ho jaega aur dirty si smell aane lagti hai for example aap cooker k utensil hi lelo .isliye thermoplastics achche hote hai kyuki wo recyclable hote hai . Unse koi bahut jyada environment ka khatra bhi nhi hai .
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