Later, polyester gold and silver thread was produced. It is made of vacuum aluminized polyester film with colorless or colored transparent coating on the outside, or vacuum aluminized polyester film and non-aluminized polyester film are laminated, and then cut into flat wires, and different colors of coatings are added to make two-color gold and silver wires or multi-color gold and silver wires. Rainbow lines and fluorescent lines can also be made by special processes.
The use of gold and silver thread can make the fabric have rich and luxurious style. Gold and silver thread requires uniform fineness, bright color, good color fastness, high strength, no knife marks, acid and alkali resistance, soaping resistance and friction resistance.
Extended data
Traditional gold and silver thread can be divided into flat gold thread (or flat gold thread) and round gold thread (or soft gold thread). Stick the gold foil on the paper and cut it into 0.5 mm narrow strips to form a flat gold thread. The flat gold thread is spirally wound on cotton yarn or silk thread to form a round gold thread.
1, dry the color glue and use 75? Wash with alcohol, clamp one end of the thread with tweezers, and cut off the excess thread with small scissors after comparing the nail surface. The length should not exceed the nail surface, about 0.5 mm from both sides of the nail edge.
2. After pasting, gently scrape off both ends of the silver wire with the round end of tweezers and press for about 10 second, then seal and dry.
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