See the test done.
Read the method through.
A working library of foundry sand-test demonstrations, filmed on real equipment, alongside field notes from the sand lab. Pick a method, watch it run, then read the write-up.
Test methods, demonstrated.
Short demonstrations of how each sand test is set up and run. Each video loads when you press play, so the page stays light.
Permeability & moisture
5 videosStrength & hardness
4 videosSample prep & specialised tests
4 videosNotes from the sand lab.
Practical write-ups on the tests foundries run every day, from permeability and compactability to sieve grades and grain fineness.
Before you paste your defect sheet into a chatbot
Where a general chatbot trips on a casting-defect sheet, and where machine data genuinely helps.
Read the article →Beyond the numbers: green-sand permeability testing
A deeper look at permeability: what the number means, and the errors that skew it.
Read the article →Permeability testing in green sand, done right
The essentials of green-sand permeability, and how the test can be run consistently.
Read the article →Choosing a test-sieve supplier: 5 things to check
What to look at before buying test sieves, from mesh quality to certification.
Read the article →The right way to check compactability
A practical method for measuring compactability with less operator variance.
Read the article →Sieve grades: compliance, inspection and calibration
What the inspection, compliance and calibration grades of a sieve actually certify.
Read the article →AFS sieve grades: what is that?
A short primer on AFS sieve grades, and where each one fits.
Read the article →Moisture measurement, instant and accurate
Fast moisture readings for the sand lab, and how they sit alongside oven drying.
Read the article →Grain fineness, redefined
Reading a sieve analysis, and understanding the grain fineness number (GFN).
Read the article →A test you would like to see on video?
Tell us which method or machine, and we will point you to the right demonstration or record a fresh one.