Spandex Elastic Nozzles（Nordson)

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Elastic Nozzles Product Description

Product Overview

Elastic Nozzles are high-precision hot melt adhesive dispensing components designed specifically for the manufacturing of disposable hygiene products, widely used in production lines for baby diapers, training pants, adult incontinence products, and feminine hygiene products.

The core function of Elastic Nozzles is to accurately apply hot melt adhesive onto single or multiple elastic strands to create product elastic features such as elasticized waistbands, elasticized legs, and barrier leg cuffs. Utilizing air‑assisted contact coating technology, Elastic Nozzles achieve uniform and stable adhesive encapsulation on elastic strands even under high‑speed production conditions.

Technical Advantages

1. Precision Coating with Ultra‑Low Add‑on
Elastic Nozzles support ultra‑low adhesive add‑on applications, with a minimum of 5 mg/m. Precise adhesive deposition effectively reduces adhesive waste, lowers material costs, and enhances product sustainability.

2. High‑Speed Production Capability
Elastic Nozzles are compatible with high‑speed production lines, supporting line speeds from 100 to 650 m/min. They maintain consistent coating precision and appearance quality across both high‑volume mass production and lower‑speed specialty runs.

3. Narrow Centerline Support
These nozzles accommodate elastic strand centerlines as close as 1.5 mm to 2 mm, meeting the needs of super‑fine elastic applications and enabling the design of thinner, softer, and more conformable premium hygiene products.

4. Fiber Protection and Stable Operation
Elastic Nozzles feature optimized guides and orifice geometry to protect delicate fibers and prevent strand breakage. Built‑in integral strand guides stabilize the elastic strands before adhesive application, while process air evenly wraps the molten adhesive around the strands after coating.5. Easy Maintenance and Quick Changeover
Elastic Nozzles are designed with quick‑exchange features for simple installation and seamless upgrades. Some models include self‑cleaning and pre‑heating rear air circuits to minimise adhesive build‑up and reduce downtime.

Main Product Series

Technical Specifications (Typical Values)

Main Application Areas

• Baby Diapers – adhesive coating for leg elastics, barrier leg cuffs, and elastic waistbands

• Training Pants （ Pull  up  diaper ) – elastic waistbands and leg features

• Adult Incontinence Products – elastic components in adult diapers and incontinence briefs

• Feminine Hygiene Products ( sanitary napkin ) – elastic features in sanitary pants and similar products