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.
Traditionally the process was called screen printing or silkscreen printing because silk was used in the process prior to the invention of polyester mesh. Currently, synthetic threads are commonly used in the screen printing process. The most popular mesh in general use is made of polyester.