Common materials for thermos straws include silicone PP、Tritan、 There are four types of stainless steel, and food grade certified materials are preferred for safety.
Food grade silicone (most common)
Features: Soft, bite resistant, high temperature resistant (-50 ℃~230 ℃), can be boiled for disinfection, and does not contain bisphenol A.
Applicable: Children, hot drinks, long-term use.
PP (polypropylene) plastic
Features: Hard tube, resistant to 100 ℃, lightweight, and affordable; Long term use is prone to aging and may result in the precipitation of microplastics.
Applicable: short-term, cold drinks, replacement parts.
Tritan (copolyester)
-Features: high transparency, resistance to 100 ℃, free of bisphenol A, good toughness, and not easy to crack.
Applicable: High end straw cups, suitable for both adults and children.
304/316 stainless steel
Features: Metallic texture, corrosion resistance, easy to clean; Fast heat conduction, easy to burn mouth when drinking hot water, not suitable for long-term storage of acidic beverages.
Applicable: cold drinks, outdoor use, environmentally friendly and reusable.
Purchase Recommendations
Children/Hot Drinks: Choose food grade silicone (solid color without printing).
Adult/Transparent Texture: Choose Tritan.
Cold drinks/environmental protection: choose 316 stainless steel.
Economic replacement: Choose food grade PP and replace it regularly.
