Bentonite

Foundry Bentonite Selection Guide: How to Choose the Right Bentonite Grade for Your Casting Process

Foundry Bentonite Selection Guide Selecting the right bentonite is one of the most important decisions in any green sand foundry. The quality of your bentonite directly affects mould strength, casting surface finish, defect rates, sand reusability, and overall production costs. Using the wrong bentonite grade can lead to problems such as metal penetration, scabs, blowholes, poor mould strength, and excessive bentonite consumption. This guide explains how foundries can select the most suitable bentonite based on casting type, metal being poured, production process, and...


Green Sand Testing SOP Template: Daily Testing Procedures for Consistent Casting Quality

Green Sand Testing SOP Template Maintaining consistent green sand quality is one of the most important factors in producing high-quality castings. Small variations in moisture, compactability, green compressive strength, or permeability can result in casting defects, increased rejection rates, and unnecessary production costs. A well-defined Standard Operating Procedure (SOP) ensures that every batch of moulding sand meets the required quality standards before production begins. This guide provides a practical Green Sand Testing SOP that foundries can adapt to their own operations. Why Daily Green...


Bentonite ROI Calculator: Calculate How Much Your Foundry Can Save by Optimising Bentonite Usage

Bentonite ROI Calculator For many foundries, bentonite is viewed as a routine consumable. However, even a small improvement in bentonite performance can significantly reduce production costs, improve casting quality, and increase overall profitability. The real question isn’t “What does bentonite cost?” It’s “How much does poor bentonite performance cost your foundry every month?” This guide explains how to calculate the return on investment (ROI) of using the right bentonite and why focusing only on price per tonne can lead to higher overall manufacturing costs. Why...