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Criteria | Plastic Cream Jars | Glass Cream Jars |
---|---|---|
Material | PET/PP plastic (lightweight, shatterproof) | Borosilicate/soda-lime glass (inert, durable) |
Chemical Safety | Risk of BPA/plasticizers (requires BPA-free certification) | Non-reactive, no chemical leaching |
UV Protection | Limited; prone to discoloration over time | Amber/cobalt glass blocks 99% UV rays |
Temperature Range | -20°C to 70°C (may warp at high temps) | -50°C to 300°C (autoclavable for sterilization) |
Takeaway: Glass excels in safety and longevity, ideal for sensitive or high-value formulations. Plastic suits budget-friendly, travel-sized products.