Specialty Chemicals & Polymers

Polystyrene Foam: Market Size, Growth & Forecast to 2030

The Polystyrene Foam market is valued at about $11.58 billion (2026) and is projected to grow at a 4.7% CAGR through 2030. The largest cost driver is Styrene monomer feedstock (55% of spend). Northeast Asia leads demand at 42%.

Market size
$11.6 bn (2026)
CAGR to 2030
+4.7%
Buyer power
Favours buyers
Tracked suppliers
140

Projected market growth to 2030

Market size index, 2026 = 100, at the 4.7% CAGR.

1261171091001002026104.72027109.62028114.82029120.22030125.82031

Cost structure

Styrene monomer feedstock
55%
Energy and utilities (steam, electricity)
18%
Labor and factory operations
12%
Blowing agents and additives
8%
Logistics and outbound freight
7%

Regional demand split

Northeast Asia demand
42%
North America demand
24%
Europe demand
20%
Southeast Asia demand
9%
Rest of world demand
5%

Key suppliers

BASF SEINEOS Styrolution Group GmbHAlpek S.A.B. de C.V.Synthos S.A.TotalEnergies SEWuxi Xingda Foam Plastic New Material Co., Ltd.
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Claight market analysis of proprietary and public data. Full report: /category-intelligence/polystyrene-foam