Plain-English polyurethane education from working formulators.
No marketing fluff — just the chemistry, the regulations, and the trade-offs that matter when you're staring at a B-side blend.
What is TCPP and why is it being phased out?
A practical guide to the regulatory and toxicology pressures on chlorinated phosphate flame retardants — and what to use instead.
R-Value vs K-Factor: a formulator's guide to PIR insulation
How thermal conductivity, blowing-agent choice, cell structure, and aging combine to set the long-term thermal resistance of polyiso boardstock.
Bio-based polyols 101: from soy oil to reactive OH
Epoxidation, ring-opening, and the difference between a 'natural-oil polyol' and a true reactive primary-hydroxyl bio-polyol.
Fire, smoke & toxicity testing for polyurethane foams
ASTM E84, UL 723, CAN/ULC-S102, NFPA 286 and NBS smoke chamber — what each test measures and how PIR formulators meet them.
Polyurethane glossary: 60 terms every formulator should know
From A-side and B-side to zwitterion catalysts — a working vocabulary for the polyurethane industry.
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