
PP

Polypropylene is the only common plastic that floats in water (density 0.90-0.91 g/cm3). It's also the most widely used plastic for food packaging because it's safe for microwave use, chemically inert, and can withstand boiling water — unlike PET or PS.
Personality tendencies across 4 dimensions
Score distribution across 9 types
Personality analysis based on the 5-factor model
Personality traits from metal physical properties
Market price and economic characteristics (as of 2026-02)
Unit Price (est.)
$1.33
per kg
Price Range
1.0-2.0 USD/kg
Market Trends & Notes
PE次ぐ生産量2位。ノーベル賞プラスチック。ヒンジ特性で他素材との差別化。
Scientific basis of PP's colors
Colors of this element
乳白色
#F5F5F5
半透明
#FAFAFA
Materials with good metallurgical and personality compatibility
Based on Holland Code: SER
Based on RIASEC (Holland Code) vocational interest model. These are illustrative suggestions derived from the character's personality profile.