At a glance
US and UK documents still dominate Google for Polyurethane foam: ASTM, NFPA, BS, EN. Always check whether the job is under IBC, Eurocodes or a national annex. EN, ASTM, ISO, KS and JIS do not translate one-to-one. A Euroclass A1 batt is not an ASTM E84 report.
Atlas Verification Checklist
0 / 4 verifiedCheck each criteria to confirm findings against the atlas verdict.
Polyurethane foam · lede
Polyurethane foam (R-NH-COO-R′ network + blowing agent) is a family of grades whose density 30–60 kg/m³ rigid boards, heat band pyrolyses; does not melt cleanly, and fire letter typically E–B with facers; not A1.
Polyurethane foam · paras 1
US and UK documents still dominate Google for Polyurethane foam: ASTM, NFPA, BS, EN. Always check whether the job is under IBC, Eurocodes or a national annex. EN, ASTM, ISO, KS and JIS do not translate one-to-one. A Euroclass A1 batt is not an ASTM E84 report.
Polyurethane foam · paras 2
Name the year of the standard on drawings. Withdrawn methods keep showing up in old specs. Thermal mark 88/100 versus the atlas. Conductivity note: λ ~0.022–0.028 W/m·K (aged PIR boards, bands).
Polyurethane foam · Polyurethane foam did not arrive as a finished commodity
Polyurethane foam did not arrive as a finished commodity. Otto Bayer 1937; fridge foam 1950s around Germany still explains who makes it and which tests it sits in. Circularity 32/100 and fire mark 28/100 set how loudly policy talks about Polyurethane foam.
This is a reading check for the atlas, not personal advice, a live price, or a booking. It does not replace the full topic page.
What is the next question after this?
Name the year of the standard on drawings. Withdrawn methods keep showing up in old specs. Thermal mark 88/100 versus the atlas. Conductivity note: λ ~0.022–0.028 W/m·K (aged PIR boards, bands).
Does this page rank people or nations?
This is a reading check for the atlas, not personal advice, a live price, or a booking. It does not replace the full topic page.
Where is the longer entry?
Polyurethane foam did not arrive as a finished commodity. Otto Bayer 1937; fridge foam 1950s around Germany still explains who makes it and which tests it sits in. Circularity 32/100 and fire mark 28/100 set how loudly policy talks about Polyurethane foam.
Next question: Natural rubber · Open the topic: Polyurethane foam