Evolution of Winter Tire Technology: From Physical Anti Slip to Material Revolution

In an environment of -30 ℃, the rubber hardness of ordinary tires increases to Shore 85A (65A in summer), and the grip force sharply decreases by 60%. Winter tires solve this problem through triple technology breakthroughs:

Materials Innovation

Low temperature rubber formula

Add 12% -15% rosin resin to lower the glass transition temperature to -45 ℃

The proportion of nanoscale silicon particles has increased to 28%, and the friction coefficient on ice has increased by 0.15%

Foam rubber technology

The tread contains millions of sealed bubbles with a diameter of 50-80 μ m, which rupture and release grip factors when compressed

pattern design

Z-shaped three-dimensional blade groove: an increase of 240% in edge effect compared to traditional straight grooves

Snowflake shaped block pattern: Each block is designed with 6-8 interlocking edges and corners

Self cleaning groove: 20 ° inclined groove wall design to prevent snow accumulation and compaction