Your striped tie could be a grenadine. (All my grenadines are lined, so I can't easily see through the weave.)
But your second one doesn't look like one--too open a weave.
These are closeups of Sam Hober Grenadine Garza Fina Solid Ties:
These are closeups of Sam Hober Grenadine Garza Grossa Solid Ties:
Just get some grenadine swatches from Sam Hober.