Petr Explosives Blog

PETS Toolbox Boulder Splitting Capability CalculatorFor Double Base Propellant NxBurst

Development of the PETS Toolbox Boulder Splitting Capability Calculator Lessons Learned from Jackson Hole, Wyoming During the Practical Explosives Training School (PETS) conducted in Jackson Hole, Wyoming, we had the…

Why Do We Care? REGULATORY GUIDANCE & COMPLIANCE Understanding ATF Regulations Through ATF Newsletters

REGULATORY GUIDANCE & COMPLIANCE Understanding ATF Regulations Through ATF Newsletters A Resource for Responsible Blasters By Dr.-Ing. Vilem Petr · Petr Explosives Group & PETS Why Do We Care? The…

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…