The core advantages of the polyester material used in black custom slings lie in "low elasticity" and "high temperature resistance", making them more suitable for scenarios that require high hoisting precision and involve high-temperature risks (such as hoisting near lighting and audio equipment, or fixing mechanical components of elevator orchestras).
Stage lighting (especially spotlights and follow spots) generates high temperatures during long-term operation. The polyester material of black custom slings can withstand short-term high temperatures of approximately 100°C, and will not soften or deform easily even when hoisted near lighting equipment. At the same time, it has excellent UV resistance. If used for fixing equipment in outdoor performances (such as stage trusses for open-air music festivals), the black custom slings will not experience material fading or strength reduction even after long-term exposure to sunlight, and their service life is about 30% longer than that of nylon slings. The backstage of theaters or outdoor performances often face humid environments (such as rainy seasons and condensed water from venue air conditioners). Polyester does not absorb water or moisture, eliminating the need for frequent drying and reducing maintenance costs.
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