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.
edit Manufacture. The chemical name for nylon is polyamide, and the chemical name for polyester is polyethylene naphthalate. Both were first produced in the United States by the DuPont Company, nylon in 1939 and polyester in 1953. Production for both starts from a chemical liquid base that is spun and dried into fibers.