Custom Spandex Crochet-Knit Elastic 3-300mm

Custom Spandex Crochet-Knit Elastic 3-300mm is a made-to-order webbing product manufactured by Danyang Zivay Webbing Co., Ltd. (Zivay Webbing), a webbing factory in Danyang, Jiangsu, China, supplying OEM and ODM programmes for B2B buyers worldwide.

Product Overview

This custom spandex crochet-knit elastic band is engineered for close-fitting apparel where recovery, softness and long-term durability are critical. It is produced with Korean Hyosung 840D spandex and polyester filament, giving the tape a dependable stretch memory that resists sagging after repeated wear and washing. The crochet-knit construction creates a fine, dense surface with a smooth hand feel, making it suitable for direct skin contact in underwear, lingerie, sportswear and medical textile applications.

The elastic is available in widths from 3 mm to 300 mm, allowing buyers to specify narrow binding tapes or wider waistband elastics within one production program. Standard colors are black and white, and custom color matching is available for bulk orders. The material composition is 80% polyester and 20% spandex, combining the strength and shape retention of polyester with the high elongation of spandex.

Construction and Workmanship

The band is knitted on 20-needle crochet machines, a construction that interlocks the spandex and polyester filaments into a stable, narrow fabric. This needle density produces a tighter, more uniform rib pattern than standard woven or braided elastics, which helps prevent edge curl and reduces the risk of fraying during cutting and sewing. The result is a tape that lies flat against the body and maintains consistent width and tension across the roll.

Because the spandex content is high, the elastic offers strong stretch and recovery without excessive bulk. The crochet-knit structure also allows the tape to breathe slightly, which is beneficial for garments worn against the skin for extended periods. The surface is smooth and free from rough edges, supporting comfortable direct contact in underwear waistbands, leg openings and shoulder straps.

Applications

This elastic is primarily intended for close-fitting garments and functional textile products. Typical uses include:

• Underwear and lingerie waistbands, leg openings and straps
• Sportswear and activewear binding, hems and support panels
• Medical and healthcare textiles requiring soft, skin-friendly stretch
• Garment accessories such as adjustable straps and decorative trims
• Narrow binding applications where a 3 mm to 30 mm width range is required

For buyers sourcing elastic for intimate apparel, the combination of 840D spandex and 20-needle knitting provides a balance between holding power and comfort. The tape can be sewn directly into garment seams or used as a folded waistband, depending on the design requirements.

Quality and Certification

The elastic is produced under a quality system that includes OekoTex 100 certification, confirming that the finished tape meets restricted substance requirements for textile products intended for skin contact. This certification supports use in underwear, children’s garments and other applications where material safety documentation is requested by buyers or regulators.

Each production batch is inspected for width consistency, stretch recovery, color uniformity and surface defects. Buyers requiring additional testing reports or compliance documents should specify these requirements at the inquiry stage so they can be included in the order confirmation.

Customization and Ordering

Custom production is available for width, color and packaging. The standard width range is 3 mm to 300 mm, and buyers can request specific widths within this range for their garment programs. Standard colors are black and white; custom colors can be developed subject to minimum order quantities and color approval.

The minimum order quantity is 3000 meters, and lead time is typically 3 to 15 days depending on order size, customization requirements and current production scheduling. To receive an accurate quotation, please provide the required width, color, quantity, target application and any certification or testing needs. Samples can be arranged for evaluation before bulk production.