During World War 2, Nylon was invented and been replaced everything that was once made from #silk—such as silk stockings—as silk imports from Asia experienced significant #shortages and #price#fluctuations.
Nylon 6 and Nylon 66 are both synthetic polymers called #polyamides (PA), a.k.a 【聚酰胺】.
Most Nylons are semi-crystalline and possess good #strength and #durability for demanding applications.
Did you buy a new printer or other office equipment to improve our working efficiency at home?
Actually, the printer housing and some other electronic devices housing you bought are made of High Impact Polystyrene #HIPS a.k.a 【高抗冲聚苯乙烯】.
HIPS is a high impact strength material and suitable to be used in packaging application. It is also available in FDA approved grades for food packaging purpose.
You can easily identify #HIPS material by looking at the recycling code of the product, it would be the no.