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.
The material is dried and cut into small chips, then it is blended and spun into yarn. PCDT is used in heavier materials, such as drapes and upholstery. PCDT is made by condensing an acid with a chemical. Polyester is made into various types of yarn or thread and can include both natural and synthetic chemicals. Natural polyesters are biodegradable, but most synthetic versions are not. Products knitted or woven from polyester yarn include clothing, blankets and home furnishings.