Nasal Irrigator Outer Housing – Custom ABS Injection Molding with Smooth Finish

The outer housing is the part of a nasal irrigator that users see and hold every day, so it carries both the structure and the appearance of the whole device. It has to keep stable dimensions so the internal components and the base assembly fit precisely, while presenting a smooth, clean surface that reflects the quality of the product.

This article looks at how the ABS nasal irrigator outer housing shown here is manufactured at Kunshan Maifeng Precision Industry Co., Ltd. (MIF) – from custom mold design and multi-cavity injection molding through trimming, inspection and dust-free packaging.

Why ABS Is Used for the Outer Housing

The housing is molded in food-grade ABS, a material chosen for personal care products that stay close to the user. ABS offers high strength and toughness while remaining lightweight, and it is safe and non-toxic for daily-use applications. It also processes with a stable, repeatable molding window, which keeps dimensions consistent across production batches.

Just as important for a visible part is the surface quality. ABS molds with a fine texture and a clean finish, giving the housing a smooth surface and a premium look and feel. Sharp, well-finished edges around the opening and snap features improve the assembly experience and the perceived quality of the finished irrigator.

Custom Mold Design and Multi-Cavity Production

A housing like this requires a mold designed around its specific geometry. The parting line is planned along the profile so no witness line crosses the main visible surface, and the gate is positioned where the mark cannot be seen after assembly. Uniform wall thickness and well-placed cooling keep the cylindrical body round and free from sink marks and warpage.

Multi-cavity tooling is used for volume production, which raises molding efficiency and keeps every part in a batch dimensionally identical. Once trial molding confirms filling, venting and demolding, the process parameters are locked so repeat orders match the approved samples.

Trimming, Inspection and Dust-Free Packaging

After molding, each housing goes through a trimming step that removes the gate cleanly and finishes the edges, an important detail for a part the user touches directly. The parts are then inspected for dimensions and appearance, and packed dust-free in bags and cartons ready for global delivery.

Applications and OEM/ODM Support

This outer housing is designed for nasal irrigators and similar personal care devices. Beyond the housing itself, we can support the complete assembly – base, tank components and matching plastic parts – so the whole device is sourced from one manufacturer with consistent quality.

For brand owners and distributors, we provide OEM support including custom colors, private label packaging and logo marking. Send us your drawings or samples and we will develop a suitable mold and manufacturing solution for your product.

Information to Confirm Before Starting a Nasal Irrigator Housing Project

• 3D drawings or samples of the housing, including critical dimensions and mating parts.
• Material grade and any compliance documents required for the target market.
• Color requirements – Pantone number or a physical color plate.
• Appearance standards: gate and parting line locations, surface texture and edge quality limits.
• Expected order quantities, repeat order cycle, packaging format and private label needs.

Kunshan Maifeng Precision Industry Co., Ltd. provides product structure review, custom mold design and manufacturing, single- and dual-color injection molding, and product assembly. Contact us with your drawings, samples or target market requirements, and our team will reply with a practical proposal.

Company Profile

About Us

Kunshan Maifeng Precision Industry Co., Ltd. (MIF) has an investment of RMB 35 million and an independent factory of more than 5,000 m². Our manufacturing resources include 36 single- and dual-color injection molding machines from 90 to 700 tons and more than 50 sets of mold manufacturing and processing equipment. Supported by a service, management and production team of over 100 people, we provide product design, mold design and manufacturing, injection molding, and product assembly. Our parent company was established in 2008.

1. Product Design

Product structure design and optimization based on customer drawings and samples.

2. Mold Design

Mold concepts developed around product requirements, material and production needs.

3. Mold Manufacturing

Machining, polishing, assembly and related processes for custom molds.

4. Injection Molding

Single- and dual-color molding capabilities for custom production.

5. Product Assembly