ISO 9969 Ring Stiffness Test for Plastic Pipes: Procedure, Formula and SN Classification
ISO 9969 is the test method; the SN class is [...]
ISO 1167 Hydrostatic Pressure Test: Procedure & Failures
An ISO 1167 hydrostatic test pressurises a thermoplastics pipe specimen [...]
Plastic Pipe Testing Standards Guide: ISO 1167, ISO 9969 and ISO 1133
Plastic pipe testing standards are not one standard — they [...]
EN ISO 11925-2 Single Flame Source Test Explained (2026)
EN ISO 11925-2 is the small-flame ignitability test that sits [...]
Global Building Material Fire Testing Standards & Equipment Guide: EN, ASTM, ISO & AS/NZS Compliance
Executive Summary: Global building codes enforce strict fire safety [...]
EN 13823 Calibration: Fix SBI Drift and Failed Checks
EN 13823 calibration depends on the step and n-heptane checks, not on analyser zero and span alone. This guide sets out the acceptance criteria, the four failure modes behind drifting curves, and the troubleshooting order that finds gas path faults before they get compensated as analyser offsets.
EN 13823 SBI Test: How It Decides Euroclass Classification
The EN 13823 SBI test is the intermediate-scale method that separates Euroclass A2, B, C and D. This guide explains what the test records, how FIGRA and THR600s limits convert into a class, and which test combinations each class requires.
Single Burning Item Test Apparatus: EN 13823 Compliance Guide
A single burning item (SBI) test apparatus is the EN 13823 instrument that separates Euroclass A2, B, C and D construction products. This guide covers the corner test geometry, the measurement chain, what changed in the 2020+A1:2022 edition, and the requirements to verify before purchase.