A: If we have stock, MOQ 3000pcs. | B: If out of stock, MOQ is 10000pcs.
Views: 0 Author: Site Editor Publish Time: 2026-04-29 Origin: Site
Among the many packaging options for sun care products, the PET sunscreen bottle with pump stands out for its combination of glass-like clarity and plastic durability. PET (Polyethylene Terephthalate) is a lightweight, shatter-resistant material that allows consumers to see the product inside, which can be a powerful marketing advantage. When paired with a pump dispenser, the PET sunscreen bottle with pump delivers a premium user experience. This article provides a detailed overview of the benefits, technical specifications, and best practices for using PET bottles for sunscreen.
PET offers several unique properties that make it suitable for sunscreen bottles:
High Clarity: Near-glass transparency showcases the lotion's color and texture, building consumer trust.
Lightweight: Reduces shipping costs and carbon footprint compared to glass.
Impact Resistance: Will not shatter if dropped, ideal for beach and travel use.
Good Barrier Properties: Provides adequate protection against oxygen and moisture for sunscreen formulas.
Recyclable: PET is widely accepted in recycling programs (code 1).
However, PET is less resistant to UV light than amber glass or HDPE, so it is best suited for sunscreens that do not contain highly light-sensitive active ingredients, or for products sold in opaque secondary packaging.
| Part | Typical Material | Key Specifications |
|---|---|---|
| Bottle | PET | Clear or tinted (e.g., light blue, amber PET available). |
| Neck Finish | PET | Standard sizes: 18/410, 20/410, 24/410 (millimeters). |
| Pump Dispenser | PP, LDPE, stainless steel spring | Output: 0.5ml–1.5ml per stroke. |
| Dip Tube | LDPE or PP | Length matched to bottle height; clear or white. |
| Overcap | PP | Protects pump; may be flip-top or screw-off. |
For a PET sunscreen bottle with pump, the pump’s output per stroke should be appropriate for the bottle capacity. Below is a practical guide.
| Bottle Capacity | Recommended Pump Output | Application |
|---|---|---|
| 50ml | 0.3ml – 0.5ml | Face sunscreen (2–3 pumps per use). |
| 100ml | 0.5ml – 0.7ml | Daily body (4–6 pumps per application). |
| 150ml | 0.8ml – 1.0ml | Standard body use. |
| 200ml | 1.0ml – 1.2ml | Family/economy size. |
While PET is generally safe for cosmetic use, certain sunscreen ingredients may interact with PET over time.
Avobenzone: PET offers moderate resistance. Long-term storage (over 12 months) may show slight degradation of avobenzone. Use an HDPE bottle if avobenzone is the primary UVA filter.
Homosalate, Octinoxate (Octyl Methoxycinnamate): PET shows good compatibility. No significant interaction observed.
Mineral Filters (Zinc Oxide, Titanium Dioxide): Excellent compatibility. However, settling may occur; shaking before use is recommended.
Fragrance Oils and Essential Oils: Most are compatible, but high concentrations of terpenes (e.g., citrus oils) may cause stress cracking over time. Test for at least 8 weeks at 45°C.
Clarity Enhancement: Use high-quality preform molds to minimize haze or bubbles.
Labeling: Transparent labels on a clear PET bottle create a "no-label" look. Opaque labels work well for branding.
Neck Finish Precision: Ensure the neck finish matches the pump's thread standard (e.g., 24/410 means 24mm diameter with 410 thread finish). Mismatches cause leakage.
Embossing/Debossing: Possible but more expensive; consider silk-screening for bottle decoration.
Q1: Can a PET sunscreen bottle with pump be used for spray sunscreens?
A1: No. Spray sunscreens require a fine mist spray pump or aerosol valve. A lotion pump will not atomize the product. For sprayable sunscreens, use a PET bottle with a trigger sprayer or an aerosol can.
Q2: Is PET safe for sunscreen that will be stored in a hot car?
A2: PET has a glass transition temperature around 75°C (167°F). While a car can exceed this on a very hot day, PET bottles will soften and deform. Recommend storing sunscreen in cooler conditions. For extreme heat applications, consider HDPE or PP.
Q3: Can I get a custom color for my PET sunscreen bottle?
A3: Yes. PET can be tinted during manufacturing. Common colors include light blue, amber, green, and opaque white. Custom colors require minimum order quantities (typically 10,000+ pieces).
Q4: How do I clean a PET sunscreen bottle before filling?
A4: PET is sensitive to high heat (above 60°C). Use cool or lukewarm water with mild detergent. For industrial filling, air rinsing or ionized air cleaning is recommended rather than hot water washing.
The PET sunscreen bottle with pump offers an attractive, lightweight, and cost-effective packaging solution for many sun care products. Its clarity allows the product to shine, while the pump mechanism provides controlled, hygienic dispensing. By understanding the compatibility and technical requirements, brands can successfully launch a sunscreen line using PET bottles. Guangzhou Ruijia Packaging Products Co., Ltd. supplies high-quality PET sunscreen bottles with matching pumps to meet your production needs.