Category: injection molding

During the pandemic, testing demand exploded overnight. Many teams struggled to produce millions of accurate test cassettes fast enough. Poor part consistency ruined membrane alignment and fluid flow. This is where injection molding became the backbone of rapid antigen test manufacturing, delivering precise, repeatable plastic parts at massive scale when the world needed them most. Featured Answer Injection molding is widely used for COVID rapid antigen test devices because it supports high-volume, low-cost production of precise plastic parts like cassettes, housings, swab components, and buffer bottles. The process delivers consistent dimensions, tight tolerances, and repeatable geometry needed for membrane alignment

You need blood glucose test strip housings for a clinical trial or early launch, but committing to expensive production tooling feels risky when your design may still change. One late revision can waste months and thousands of dollars. This is a real fear I hear from diagnostic engineers every week. Low volume molding solves this by giving you precise, biocompatible parts without locking in your design too early. Low volume molding for blood glucose test strip housings works best with medical-grade injection molding using a simple, high-precision tool and a resin chosen for dimensional stability and biocompatibility. The key is

Many diagnostic teams design brilliant microfluidic chips in the lab, then hit a wall when they try to scale. The chip works on a bench but fails in production. Yields drop. Costs explode. The launch stalls. I have seen this many times. The good news is that injection molding solves most of these problems—if you design for it from day one. Injection molded microfluidic chips are polymer cartridges made by high-volume molding to run diagnostic tests outside a central lab. They pair low-cost disposable chips with portable reader devices for point-of-care use. Common materials include COC, COP, PMMA, and PC

You designed a great rapid diagnostic test, but the housing keeps failing. Parts don’t snap together. The result window fogs up. Reagents attack the plastic. These problems delay your launch and hurt user trust. I have seen this many times. The good news is that a well-designed custom molded housing solves all of these issues at once. Featured Answer Custom molded housings for rapid diagnostic test kits are usually injection-molded plastic cassettes, sample enclosures, or reader guides built for tight fit, repeatability, and clean assembly. Good housings protect the test strip, align sample and reagent flow, provide a clear result

Lateral flow tests look simple. The cassette housing is anything but simple to manufacture. A small misfit around the strip channel, sample well, or read window can cause parasitic flow, leaking, or false results. When you scale to millions of units, tiny errors multiply into massive quality problems. Injection molding solves this by delivering tight tolerances, repeatable geometry, and fast scalability for your rapid test program. Featured Answer Injection molding for lateral flow test cassettes means matching the housing design to the assay strip, holding tight tolerances, and building molds that allow fast design changes. The best programs use early