Hongju Blog

Get silicone rubber products insight, tips, and inspired stories from leaders on the front lines.

EPDM Gasket

What are EPDM Gaskets?

Gaskets are sealing solutions that keep fluid and contaminants locked out between two mating surfaces. The most popular include EPDM, silicone, and neoprene gaskets. Although they are all rubber materials, they possess different properties that affect gasket performance.

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rubber molding cover

Rubber Molding: The Definitive Guide

When it comes to rubber molding, there are a few things you need to know in order to make an informed decision. In this definitive guide, we will cover everything from types of rubber molds to the process of making them. We’ll also discuss the benefits and drawbacks of different rubber molding methods, so you can choose the best option for your project. So, whether you’re just starting out or you’re looking for an update on the latest techniques, read on for all the info you need!

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what is rubber compression molding

What is Rubber Compression Molding

To succeed in today’s rubber production market, owning a reasonable product price and outstanding quality is critical.

What has helped large and small businesses grow fast and stand firm in a fiercely competitive rubber production market?

Rubber compression molding is a golden key to help you open this secret door.

And if you’re not sure if rubber compression molding is the best solution for your business, this article will get you on the right track.

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new,driveshaft,gaiters,on,white,background

Compression Molding vs Injection Molding: Which One is Best for Your Application

Compression molding and injection molding are both effective methods to produce plastic products or parts. Both use heat and pressure to mold plastic into the right shape.
However, you have to understand how these two methods specifically work to choose which one can efficiently produce the final product that you want.
This article will dig deep into the differences and similarities between the two molding methods so you can make the right choice.

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o ring

What are O-Rings Used for?

The o ring is one of the most common and versatile seals in use today. It is simple, cheap, and effective. But what are o rings used for? How do they work? And how can you select the right o ring for your application? Read on to find out!

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silicone o ring

What is an O-ring and How Does It Work?

An o-ring is an important component of many machines and devices.
But what is it, exactly, and how does it work?
An O-ring is a round piece of rubber or silicone that creates a seal between two surfaces. It’s often used in conjunction with a gasket to create a watertight seal. O-rings are found in all sorts of places, from car engines to kitchen appliances. They’re essential for keeping water and other fluids out of unwelcome places!

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Ozone-Resistant Rubber

Ozone-Resistant Rubber: The Definitive Guide

Not sure how to differentiate between ozone-resistant and non-ozone-resistant rubbers? We all have been there but worry not. This definitive guide will discuss everything related to the types, benefits, applications, uses, and comparison of ozone-resistant materials. Read on to learn more!

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food grade silicone

Food Grade vs. Medical Grade Silicone: What’s the Difference

Food grade and medical grade silicones can both safely come in contact with the human body without causing any harm or irritation. While they both have sensitive purposes, there are subtle differences that determine how they will get approval for human use.
In this article, you’ll learn more about what those differences are and the reason why the distinction is a necessity.

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