Question

6. Mention two drawbacks of synthetic fibres.​

Answer 1

The mono-fibers do not trap air pockets like cotton and provide poor insulation.

Synthetic fibers burn more rapidly than natural.

Prone to heat damage.

Melt relatively easily.

Prone to damage by hot washing

Answer 2

Answer:

ᴍᴏsᴛ ᴏғ sʏɴᴛʜᴇᴛɪᴄ ғɪʙᴇʀs' ᴅɪsᴀᴅᴠᴀɴᴛᴀɢᴇs ᴀʀᴇ ʀᴇʟᴀᴛᴇᴅ ᴛᴏ ᴛʜᴇɪʀ ʟᴏᴡ ᴍᴇʟᴛɪɴɢ ᴛᴇᴍᴘᴇʀᴀᴛᴜʀᴇ:

• ᴛʜᴇ ᴍᴏɴᴏ-ғɪʙᴇʀs ᴅᴏ ɴᴏᴛ ᴛʀᴀᴘ ᴀɪʀ ᴘᴏᴄᴋᴇᴛs ʟɪᴋᴇ ᴄᴏᴛᴛᴏɴ ᴀɴᴅ ᴘʀᴏᴠɪᴅᴇ ᴘᴏᴏʀ ɪɴsᴜʟᴀᴛɪᴏɴ.
• sʏɴᴛʜᴇᴛɪᴄ ғɪʙᴇʀs ʙᴜʀɴ ᴍᴏʀᴇ ʀᴀᴘɪᴅʟʏ ᴛʜᴀɴ ɴᴀᴛᴜʀᴀʟ.
• ᴘʀᴏɴᴇ ᴛᴏ ʜᴇᴀᴛ ᴅᴀᴍᴀɢᴇ.
• ᴍᴇʟᴛ ʀᴇʟᴀᴛɪᴠᴇʟʏ ᴇᴀsɪʟʏ.
• ᴘʀᴏɴᴇ ᴛᴏ ᴅᴀᴍᴀɢᴇ ʙʏ ʜᴏᴛ ᴡᴀsʜɪɴɢ.