Petr Explosives Blog

Why Do You Care about Stemming Length Calculation

Why Do You Care about Stemming Length Calculation: Good & Bad Practices Petr Explosives Group | Technical Blog Stemming Done Right: A Blaster’s Guide to Better Confinement Proper stemming is…

Never Assume: How to Safely Qualify a New Explosive Product

Never Assume: How to Safely Qualify a New Explosive Product Petr Explosives Group | Technical Blog In the explosives industry, assumptions are one of the leading causes of misfires, inconsistent…

How to Calculate Quarry Production from Blast Design

How to Calculate Quarry Production from Blast Design By Petr Explosives Group & Practical Explosives Training School (PETS) One of the most important goals in quarry blasting is achieving the…

What Goes Into a Safe Quarry Blast? “A Beginner’s Guide to Blast Design”

What Goes Into a Safe Quarry Blast? A Beginner’s Guide to Blast Design By Petr Explosives Group & Practical Explosives Training School (PETS) If you’ve ever watched a quarry blast…

Blasting Misfires: What Every Blaster Needs to Know

Blasting Misfires: What Every Blaster Needs to Know By Petr Explosives Group & Practical Explosives Training School (PETS) If you’ve spent any time in the field, you know that misfires…

What is Misfire and What is Safety in Surface Blasting

What is Misfire, and What is Safety in Surface Blasting Waiting Periods, Risk Factors, and Industry Practice Practical Explosives Training School (PETS) | Petr Explosives Group (PEG) 1. Why…