🔬 The Seiken rubber cup is a flexible, durable cup primarily used in cement paste and mortar flow tests , as well as in asphalt penetration testing . It’s designed to hold samples securely while allowing easy demolding thanks to its flexible rubber body.

If you work in a materials testing lab, concrete analysis, or asphalt research, you’ve probably run into the need for a reliable, reusable, and chemically resistant container. Enter the — a small but mighty workhorse.

Here’s a short, engaging post about — ideal for a blog, social media, or product highlight. Title: Why the Seiken Rubber Cup is a Lab Essential You Didn’t Know You Needed