Average Weather in October at London Heathrow Airport United Kingdom. At London Heathrow Airport, the month of October is characterized by falling daily high temperatures, with daily highs decreasing by 7Â°F, from 63Â°F to 56Â°F over the course of the month, and rarely exceeding 70Â°F or dropping below 50Â°F.
Silk is a natural fabric where polyester is a synthetic. Silk is far more expensive than polyester not as durable and requires a bit more care. The absolute best way for you to know the difference is to go to a local highend clothes store and touch a silk and a polyester shirt.
If you prefer bright colors, dry-clean or hand wash. Raw silk Raw silk is any silk yarn or fabric that hasn't had the sericin-the natural gum that protects the fiber-removed. The fabric is stiff and dull and the sericin tends to attract dirt and odors.he raw silk is then processed to remove the sericin-the natural gum that protects the fibers and causes them to stick to each other as the cocoon was spun. Silk is a protein fiber, similar to wool or to human hair. It is only natural for silks to have some irregularities  sometimes called slubs.