The reason causing black fiber during tow passing by the rotary side plate of a crimping machine was analyzed for ES composite staple fiber.

Regenerate eye collagen fiber, activate cells, improve eye vigor, effectively tighten eye pouch, improve the eye aging of black eyes, grease granular and fishtail lines etc.

Carbon black was blended into thermoplastic polyurethane, the electrical conductive fiber was obtained by melting spinning.