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30mm PE Water Bottle Cap – Solid Color Round Screw Cap
Custom 30mm PE bottle caps in solid colors for water bottles. Food-grade, factory-direct, free samples on order. Get a quote today.
- Overview
- Recommended Products
- – Food‑grade PE features great chemical resistance and impact strength, stable temperature performance
- – Maintains physical properties across wide temperature ranges and resists UV degradation during storage and retail display
- – Consistent torque for application and removal; eliminates cross-threading, inconsistent sealing, and premature wear
- – Solid-color molding produces even wall thickness for strength and material efficiency, with controlled surface texture for grip
- – Upon initial opening, the tamperevident ring will rupture, offering clear visual indication of any unauthorized access and safeguarding drinking water safety.
- High-grade PE with stress-crack resistance, chemical compatibility, and structural integrity under varying environmental conditions
- Consistent physical properties across storage, transport, and retail temperature ranges — no closure deformation that could weaken the seal
- Inherent protection prevents material degradation that could affect appearance or long-term performance
- Controlled texture parameters deliver optimal grip and a professional appearance; smooth surfaces accept color matching and embossing
- Yes — free for customers who confirm an order; express freight is on the buyer's account
- 35–40 working days after receipt of 30% deposit
- Samples made before mass production; 100% inspection during production; random inspection before packing; photos taken after packing
- Claims accepted within 7 working days after container discharge with pictures from the original carton; third-party certification or sample/picture evidence accepted — losses fully compensated
Description
The 30mm PE water bottle cap is a solidcolor round screw cap designed for drinkingwater manufacturers and water plants, delivering reliable sealing performance. Made of premium polyethylene, this 30 mm cap features good chemical compatibility, temperature stability and preciselyfitted threads. Logo and color customization are available to better match your brand identity.
Engineered specifically for drinking water applications, this screw cap effectively prevents liquid leakage and dust contamination during highspeed bottling production, transportation and shelf storage. Its smooth outer surface supports automatic capping machine operation with stable torque performance, reducing capping failures on production lines. The PE raw material complies with common foodcontact safety standards, ensuring safe contact with potable water. Multiple solid color options are in stock for quick lead times, while custom embossed or printed logos help you stand out from market competitors. Suitable for matching standard 30mm neck PET water bottles, it is a costeffective packaging choice for bottled water factories of different scales.
Key Features
Broad chemical compatibility
Thermal & UV stability
Precision thread geometry
Uniform wall construction
Security-feature ready
Specifications
Parameter |
Details |
Product Type |
Plastic water bottle screw cap |
Size |
30mm neck size |
Shape |
Round |
Color |
Solid color(white,black,blue,green...) |
Material |
PE (food-contact grade) |
Closure Type |
Screw cap (threaded) |
Customization |
Logo & color |
Brand |
BAITONG |
Place of Origin |
Taizhou, Zhejiang, China |
Lead Time |
35–40 working days after 30% deposit |
Materials & Finish
Base material:
Temperature stability:
UV resistance:
Surface finish:
Applications
 |
 |
 |
| Drinking purified water plants | Soda water producers | Custom souvenir water for airports |
Customization
Option |
Details |
Color |
We offer custom‑color options according to customers’ specific requirements to match your brand design. |
Logo & Branding |
We support printed or engraved logo processing as per customers’ specific demands for brand differentiation. |
Surface Finish |
Texture variations and specialized finishes to enhance grip and consumer recognition |
Material Formulation |
Modified PE grades for enhanced chemical resistance, temperature stability, or mechanical strength |
Security Integration |
The tamper‑evident ring breaks at the first opening to detect unauthorized tampering and guarantee drinking water safety. |
Certifications
Service
Free samples:
Lead time:
Quality control:
Claim settlement:
FAQ
Q: Can we get free samples?
A: Yes, you can. Samples are free for customers who confirm an order, but the express freight is on the buyer's account.
Q: What is the normal lead time for 30mm bottle caps?
A: For plastic products, we ship within 35–40 working days after we receive your 30% deposit.
Q: What is your shipping way?
A: We help you choose the best shipping way according to your requirements — by sea, by air, or by express.
Q: How do you control the quality?
A: We make samples before mass production, and after sample approval we begin mass production. We perform 100% inspection during production, random inspection before packing, and take pictures after packing.
Q: If there is any quality problem, how can you settle it?
A: If any breakage or defective products are found, please take pictures from the original carton. All claims must be presented within 7 working days after discharging the container. We advise third-party certification, or we can accept claims from the samples or pictures you present — finally we completely compensate all your loss.
Q: What material are the 30mm water bottle caps made of?
A: These caps are molded from high-grade PE, selected for chemical compatibility with acidic and alkaline liquids, temperature stability, and stress-crack resistance.
Q: Can the caps include tamper-evident or child-resistant features?
A: Yes. The 30mm closure platform can integrate tamper-evident bands, induction sealing, or child-resistant mechanisms while keeping the standard cap's sealing and customization benefits.
Q: Which industries use the 30mm solid color screw cap?
A: The cap serves beverage, pharmaceutical, industrial chemical, and personal care applications — from carbonated drinks and juices to liquid medications, reagents, shampoos, and lotions.
