Food Dispensing Closures
Advantage:
9.8mm cross slit valve + 12.3mm PP ring
33/400 neck finish, 35mm outer diameter
Food-contact-safe liquid silicone and PP raw materials
White color (custom colors available)
MOQ: 50,000 pcs/color/lot
DESCRIPTION
Specification
Hopewell 33/400 sauce bottle cap is a professional food dispensing closure designed for condiment squeeze bottles, including ketchup, chili sauce, mayonnaise, salad dressing, BBQ sauce and other liquid food products. The cap features an integrated 9.8mm food-grade silicone cross slit valve, providing controlled dispensing, anti-drip performance and excellent sealing.
Manufactured with high-quality PP plastic and liquid silicone rubber (LSR), this sauce dispensing cap combines durability, food safety and reliable performance. The 33/400 neck finish design provides compatibility with various squeeze bottle packaging systems, while the silicone valve prevents leakage during storage and transportation.
The small outlet design and precise silicone valve structure allow users to dispense sauces smoothly with accurate portion control, reducing mess and product waste. OEM customization, including cap color, logo, valve hardness and slit design, is available for bulk orders.
Product Type | sauce bottle cap |
Valve Type | 9.8mm silicone valve with 5*5mm cross slit cut |
Neck Finish | 33/400 |
Outer Diameter | 35mm |
Height | 20mm |
Material | food grade liquid silicone and pp |
Color | white color (custom colors available) |
Liner | PP/ PE/ HDPE aluminum foil liner or pressure-sensitive liner |
Application | for sauce dispensing |
MOQ | 50,000 pcs/ color/ lot |
The built-in silicone valve creates a reliable sealing barrier to prevent:
Sauce leakage
Liquid dripping
External contamination
Product oxidation
The self-closing valve automatically seals after dispensing.
The precision cross slit valve enables:
Accurate portion control
Smooth sauce flow
Reduced product waste
Cleaner bottle usage
It is especially suitable for thick sauces and viscous food products.
The cap is produced using:
Food-grade polypropylene (PP)
Liquid silicone rubber (LSR)
Materials comply with food-contact requirements and are suitable for direct food packaging applications.
The 33/400 finish provides:
Small diameter packaging solution
Stable bottle connection
Easy installation
Compatibility with multiple squeeze bottle designs
Different valve specifications can be customized according to product viscosity and dispensing requirements:
Silicone hardness
Slit size
Valve diameter
Opening pressure
Flow performance
Hopewell can develop customized dispensing solutions for different sauces and liquid products.
Application
Sauce Bottle Cap
sauce bottle caps
plastic sauce cap
Sauce bottle closure
Product Information
A 33/400 sauce bottle cap is a specialized dispensing closure designed for controlled delivery of liquid and semi-liquid food products. Unlike traditional screw caps, this advanced closureintegrates a silicone one-way valve inside the dispensing opening. When the bottle is squeezed, pressure opens the silicone cross slit valve and allows sauce to flow out smoothly. When squeezing stops, the valve automatically closes, preventing dripping, contamination and air backflow.
Hopewell's 33/400 sauce bottle cap uses a 9.8mm silicone valve with a 5×5mm cross slit opening. The valve design provides excellent balance between opening pressure, flow rate and sealing performance.
Squeeze bottles are widely used for sauces and condiments, but traditional bottle caps often lead to leakage, mess, and poor dispensing control. Hopewell squeeze sauce bottle caps with silicone valve are engineered to solve these common problems and deliver a cleaner, more reliable dispensing experience.
Common Issue | Hopewell Design Solution & Key Feature |
Leakage after squeezing | The integrated silicone flow control valve offers excellent sealing performance, immediately closing after pressure release to prevent leakage. |
Messy bottle mouth | A clean cut-off silicone valve design ensures precise shut-off after dispensing, keeping the bottle mouth clean. |
Inconsistent dispensing | Engineered flow rate control delivers smooth, consistent, and controlled dispensing with every squeeze. |
Poor sealing during transport | A tight sealing structure, verified through drop testing, ensures reliable sealing during transport and handling. |
Multiple or Uncontrolled Streams | The extrusion angle is precisely controlled within ±15 degrees, ensuring a single, focused dispensing stream. |
Poor Air Return Performance | The silicone check valve features a uniform wall thickness and a precisely centered cross-slit cut, enabling fast air return and allowing the bottle to quickly recover its original shape after squeezing. |
Sauce Waste | The sauce bottle cap features a built-in cross slit valve that allows smooth, controlled dispensing and helps squeeze out every last drop, maximizing sauce usage and reducing waste. |
Sauce spoilage | The sauce bottle cap with a silicone one-way valve ensures reliable sealing and controlled dispensing. The silicone valve opens only when squeezed and closes instantly after release, blocking air entry to help preserve freshness and reduce spoilage. |
The 35 mm sauce bottle cap is designed to provide controlled dispensing, excellent sealing, and reliable leak-proof performance, making it suitable for a wide range of packaging applications.
Flip top sauce bottle caps are commonly used on bottles with capacities ranging from:
50 ml – 100 ml: Travel-size or sample packaging;
150 ml – 300 ml: Retail and household condiment bottles;
350 ml – 500 ml: Standard squeeze bottles;
The sauce bottle cap with silicone valve structure supports smooth dispensing across small to large volumes, especially when paired with squeeze bottles.
While the flip sauce bottle cap itself fits various bottle designs, the bottle must be squeezable for optimal silicone valve performance.
Inverted (upside-down) bottles
Boston round bottles – Rounded shoulders, easy squeezing
Cylindrical bottles – Straight walls, stable grip
Oval or ergonomic contour bottles – Enhanced handling comfort
Flexible bottles provide the best user experience, as squeezing directly controls flow through the silicone one-way valve.
Sauce Viscosity | Examples | Benefit of Plastic Valve Cap |
Medium to High Viscosity | Ketchup, mustard, mayonnaise, BBQ sauce, thick salad dressings, curry paste etc. | Provides controlled flow, prevents glugging, and ensures a clean break. |
Low Viscosity (Liquid) | Soy sauce, vinegar, hot sauce, liquid dressings, cooking oil etc. | Prevents leakage and accidental spills with automatic silicone check valve sealing. |
Sauces with Particulates | Chili garlic sauce, Soybean paste, fruit preserves, relish etc. | Reduces clogging compared to traditional open caps. |
Sauce bottle cover are widely used in the following situations:
Retail food packaging for supermarkets and e-commerce;
Household use for clean, mess-free dispensing;
Restaurants and fast-food chains for countertop sauce bottles;
Foodservice kitchens requiring hygienic and efficient dispensing;
Travel and on-the-go packaging to minimize leakage;
Upside-down bottle storage for immediate dispensing without shaking;
How to Use
If you would like to learn how to use the 33/400 sauce bottle cap with cross-slit valve, please click the link below for detailed instructions:
Manufacturing Process
Hopewell uses an integrated manufacturing process combining precision plastic injection molding, LSR silicone molding, automated assembly and full inspection systems to ensure stable quality for every 33/400 sauce bottle cap.
Plastic Injection Molding → Further Processing → Initial Inspection → Silicone Valve Assembly → Quality Inspection → Liner Assembly → Functional Testing → Dust-Free Packaging → Shipping
Hopewell specializes in silicone valve dispensing closures and plastic packaging solutions. With years of manufacturing experience, we provide reliable solutions for food, beverage, household and personal care packaging applications.
Our expertise covers:
Silicone valve development
Plastic injection molding
LSR silicone molding
Automated assembly
Custom dispensing closure design
High-quality products start with excellent tooling.
Hopewell owns professional mold design and manufacturing capabilities, allowing complete control over:
Mold accuracy
Product structure
Production consistency
Development speed
Precision molds help ensure stable dimensions and reliable performance during mass production.
Hopewell uses automated production equipment for:
Plastic cap molding
Silicone valve production
Valve assembly
Product inspection
Automation reduces human errors and improves production efficiency, ensuring consistent quality for large-volume orders.
The silicone valve is the key component of the dispensing closure.
Hopewell performs strict inspection to ensure:
No missing silicone valve
Correct valve assembly
Proper sealing performance
Smooth dispensing function
Each batch is verified to ensure the silicone valve works properly before delivery.
Advanced automatic CCD inspection equipment performs full inspection of finished products.
The system checks:
Product appearance
Cap size accuracy
Silicone valve position
Assembly condition
Surface quality
This helps maintain stable product quality and reduces customer quality risks.
With professional production management and strict quality control systems, Hopewell provides:
Stable product quality
Consistent batch performance
Reliable delivery schedules
Long-term supply capability
Our factory supports OEM and customized dispensing closure projects worldwide.
Customers can customize:
Cap color
Packaging style
Silicone valve hardness
Cross slit dimensions
Valve opening pressure
Bottle matching design
Hopewell provides complete solutions from product design to mass production.
Samples are available for customer evaluation and compatibility testing.
Customers only need to cover the sample shipping cost.
Testing samples before mass production helps confirm:
Bottle compatibility
Dispensing performance
Leakage resistance
User experience
Packaging
The flip sauce bottle caps are packed in clean polybags and export-grade cartons. Customized packaging is available for OEM orders, and palletized packaging can be provided for bulk shipments upon request.
Item Name | PCS/Bag/Carton | Carton Size | N.W. | G.W. | Carton/Pallet | Carton/20ft HC | Carton/40ft HC |
33/400 sauce bottle cap | 2800 pcs/bag/carton | 50*38*40cm | 14kg | 15kg | 18 cartons | 325 cartons | 675 cartons |
FAQ
1
Are you a manufacturer or a trading company ?
We are a manufacturer of 33/400 sauce bottle caps, with in-house mold design and mold-making capabilities. Our facility is equipped with multiple automated production and assembly lines, as well as automated inspection and counting systems, ensuring consistent product quality and accurate quantities.
2
Can you provide free samples of sauce bottle caps with silicone valves?
Yes. We can provide free samples for quality evaluation if the quantity is less than 10 pcs. Please note that shipping costs will be charged.
3
What is your MOQ?
Our minimum order quantity (MOQ) is 50,000 pcs /color/lot.
4
Can I customize other colors?
Yes, we can produce any color you need. Please provide the Pantone color, and we will manufacture it for you. For customized colors, the MOQ is 100,000 pcs per color per lot.
5
What certifications do you have for squeeze sauce bottle caps?
Our 35mm sauce bottle lids are certified for European food contact materials and can also meet FDA and LFGB standards.
6
Can I visit your factory?
Absolutely! You are warmly welcome to visit our factory.
Navigation
Get in Touch
Mob.: +86 151 1847 9234
E-mail: rosie@siliconinjection.com
Skype: rosie@siliconinjection.com
WhatsApp: +86 151 1847 9234
