May 21 Glass Daily Review: Float Glass Market Analysis
May 21, 2026, 9:56 AM
BDD-global
4808
Guide
Highlights at a glance
The domestic 5mm float glass market remained stable on May 21, 2026, though regional price fluctuations and weak demand persist. Xinyi’s Ultra-Thin Glass Line 4 (900 tons) and Mingda’s Line 1 (700 tons) ignited today, boosting supply amid sluggish downstream demand—driven by soft real estate completions and rainy-season caution. The Boododo float glass price index edged down 0.01% to 1026.07, while futures contract FG2609 fell 1.36% to close at 1013 RMB/ton, hitting a new contract low. With rising production resumptions, high inventories, and muted purchasing sentiment, near-term spot prices face downward pressure as destocking continues.
May 21, 2026
Individual Float Glass Production Lines Ignite
Float Glass Market Prices

Float Glass Market Analysis
Today, the domestic 5mm float glass market remained stable.
- North China: Prices fluctuated slightly, with dull trading and rigid demand as the main driver.
- South China: A few enterprises launched preferential policies, while most maintained stable pricing for shipments. Xinyi Ultra-Thin Glass Line 4 (design capacity: 900 tons) ignited and resumed production today.
- Other regions: Maintained stable pricing with varying shipment volumes.
Market Dynamics
- Supply: On the rise; Mingda Glass Line 1 (design capacity: 700 tons) planned ignition today.
- Demand: Remained weak. Downstream enterprises showed low purchasing willingness, adopting an on-demand inventory replenishment strategy, lacking strong market support.
Float Glass Index Analysis
Calculated by Boododo data: The float glass price index on May 20 stood at 1026.07, down 0.14 (-0.01%) from the previous working day.
Float Glass Price Index Trend (2025–2026)

Futures Dynamics
Per Boododo data: On May 20, the main glass contract FG2609 opened at 1025 RMB/ton, closed at 1013 RMB/ton, with an intraday drop of 1.36%.
- High: 1027 RMB/ton
- Low: 1007 RMB/ton
- Open interest: 1,625,285 lots
- Daily increase in open interest: 50,157 lots
Market Trend
Glass futures continued to decline, hitting a new contract low.
- Demand: Terminal demand remained sluggish; real estate completion was weak, and the upcoming rainy season dampened purchasing sentiment. Downstream processors and traders adopted a cautious wait-and-see attitude.
- Supply: Multiple production lines resumed operation, industry capacity steadily recovered, slowing inventory digestion.
- Sentiment: Confidence in demand recovery remained low; short-term futures likely stay weak.
Market Outlook
The float glass market is expected to remain weak in the short term. High corporate inventory, combined with increasing resumed production capacity, will pressure spot prices amid destocking efforts.
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