Plastic Liquid Surface Covering Hollow Floating Ball with Edge
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Product Highlights
- Reduce Evaporation Loss Effectively minimizes liquid evaporation and heat loss.
- Excellent Chemical Resistance Made from durable PP material, resistant to acids, alkalis, and corrosive chemicals.
- Energy Saving Solution Helps maintain liquid temperature and lowers energy consumption.
- Prevent Odor & Fume Emission Reduces harmful vapor release and improves the workplace environment.
- Lightweight & Floating Design Easy to install, automatically forms a protective floating layer.
- UV & Weather Resistant Suitable for both indoor and outdoor storage tanks.
Product Attributes
- Customization
- Available
- Active Ingredient Content
- PP/PVC/Rpp/PVDF/PTFE
- Application
- Electronics, Electronics Industry, Medical Industry, Packaging Industry, Chemical Industry
- Model NO.
- RJ01618
- CAS No.
- 9003-07-0
- Color
- White
- EINECS
- 200-815-3
- Formula
- (C3h6)N
- Particle Size
- 2~80mm
- Water Absorption
- <0.1%
- Material
- Plastic
- Type
- Random Packing
- Usage
- Chemical Engineering
- Structure Feature
- Oval/Ball
- Effect
- Random Packing
- Source
- Plastic Particle
- Advantage
- Corrosion Resistance
- Character
- Lightness and Ease of Installation
- Transport Package
- Carton Box, Ton Bag, Steel Drum
- Specification
- 20mm 40mm 50mm 80mm
- Trademark
- RONGJIAN
- Origin
- China
- HS Code
- 8419909000
- Production Capacity
- 10000ton/Year
- Package Size
- 30.00cm * 40.00cm * 50.00cm
- Package Gross Weight
- 25.000kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of Plastic Liquid Surface Covering Hollow Floating Ball with Edge
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Product Description
The plastic liquid covering ball is engineered for high-performance liquid surface protection. Made from durable materials, it offers excellent high-temperature resistance and strong corrosion resistance, effectively withstanding acids, alkalis, and other harsh chemicals. Its high strength and stable performance ensure long-term reliable use across a wide range of industrial environments.
Key features include:
- Stable Center of Gravity - Ensures even floating and prevents tipping.
- Interlocking and Stackable Design - Fits tightly side by side, providing full surface coverage.
- Excellent Coverage Performance - Minimizes evaporation and reduces harmful vapor emissions.
- High Temperature & Corrosion Resistance - Durable in harsh chemical and thermal environments.
- High Strength & Long-Term Stability - Maintains performance over extended use.
Plastic liquid covering ball is suitable for all kinds of horizontal acid storage tanks, acid storage tank, water treatment condensate storage tank, desalt tank, to a large extent to reduce the acid fog, carbon dioxide, and oxygen in the air to the water pollution, to protect water quality, save energy, purify the environment. suitable for covering all kinds of liquid surfaces with volatilization.
| Diameter (mm) |
Density (g/m3) |
operating temperature( ºC ) | Anti-pressure (Mpa) |
Bulk numbers (per/ m3) |
Free volume (%) |
Covering rate (%) | PH value |
| φ40 | 0.5 | ≤120 | ≤0.4 | 720 | 95 | 91 | 1-1.4 |
| φ50 | 0.5 | ≤120 | ≤0.4 | 500 | 95 | 91 | 1-1.4 |
| φ80 | 0.5 | ≤120 | ≤0.36 | 232 | 95 | 99 | 1-1.4 |
| φ40 | 0.3 | ≤120 | ≤0.4 | 666 | 93 | 91 | 1-1.4 |
| φ50 | 0.3 | ≤120 | ≤0.4 | 482 | 93 | 91 | 1-1.4 |
| φ80 | 0.3 | ≤120 | ≤0.36 | 212 | 93 | 97 | 1-1.4 |
Plastic Liquid Surface Covering Balls are spherical polypropylene fillers manufactured through a foaming and shrinking process. Designed with a stable center of gravity and overlapping edges, they provide excellent coverage efficiency and are widely used in liquid surface sealing applications.
These balls are particularly suitable for horizontal acid storage tanks, water treatment condensate tanks, and desalination tanks. By effectively covering liquid surfaces, they significantly reduce contamination from airborne acid mist, carbon dioxide, and oxygen, thereby protecting water quality, conserving energy, and minimizing environmental pollution. Their versatility makes them ideal for sealing volatile liquids in industrial and environmental settings.


Q1: Where Is Your Factory Located?
A: Our factory is located at No.1-269, Zone B, Xiangdong Industrial Park, Xiangdong District, Pingxiang City, Jiangxi, China. Welcome to your visit.
Q 2: What Are Your Main Products?
A: Our factory mainly produces various kinds of ceramic balls, molecular sieves, activated alumina, tower random packing, plastic and metal materials, environmental filter materials, high-performance ceramics, and so on.
Q3: What Kind Of Payment Do You Accept?
A: We accept T/T and Western Union.
Q4: What are your terms of delivery?
A: EXW, FOB, CIF.
Q5: Can I get free samples?
A: Yes, free samples 1-2 kg, please advise your contact details.
Q6: What is your MOQ?
A: The MOQ is different for different products, for example, 1 Ton for ceramic balls.
About the Supplier
This supplier has been audited by TÜV Rheinland. Verify the report on the official TÜV Rheinland website with ID "MIC-ASI249998". Items marked "" are certified.
Company Profile
Pingxiang Rongjian Environmental Protection Chemical Packing Co., Ltd.
Company Profile
Established in 2010, Pingxiang Rongjian Environmental Protection Chemical Packing Co., Ltd. is a high-tech enterprise specializing in the R&D, production, and sales of chemical packing and environmental protection materials. After 14 years of rapid development, the company has become a leading global supplier of industrial packing materials, with products exported to over 100 countries and regions. We employ more than 300 staff, including nearly 100 technical professionals, forming a highly skilled and experienced R&D and production team.
Corporate Strength & CertificationsAuthorized Certifications: Certified with ISO 9001 Quality Management System, ISO 14001 Environmental Management System, and ISO 45001 Occupational Health & Safety Management System.
Technological Leadership: Holds 17 national patents and has been awarded multiple national-level "High-Quality Product" titles.
Production Capacity: Modern manufacturing facilities with an annual output exceeding 10, 000 tons, capable of meeting large-scale global demand.
Core Products & ApplicationsOur main products include:
Ceramic Packing: Ceramic balls, structured ceramic packing, and random ceramic packing, featuring high-temperature resistance, corrosion resistance, and durability for harsh industrial conditions.
Adsorption & Catalytic Materials: Molecular sieves, catalysts, and activated alumina, widely used in petrochemical and gas purification industries.
Environmental Filtration Media: Activated carbon and filtration materials for wastewater and exhaust gas treatment.
Metal & Plastic Packing: Lightweight and corrosion-resistant structured/random packing for diversified industrial needs.
These products are extensively applied in domestic industries such as power generation, petroleum, chemical processing, metallurgy, environmental protection, and pharmaceuticals, as well as in high-end sectors including aerospace. They are also exported to Europe, North America, Southeast Asia, the Middle East, and other global markets, earning long-term trust from customers for their superior quality.
Quality & Service CommitmentAdhering to the principle of "Quality First, Innovation Driven, " we implement strict quality control from raw material selection to production, ensuring stable and reliable product performance. We provide customized solutions, technical consultation, and after-sales support to deliver lasting value to our clients.
Vision for the Future
Rongjian Environmental Protection will continue to innovate in the field of industrial packing materials, promoting sustainable industrial development through advanced technology, and striving to become the most trusted global partner for our customers.
About Our Factory & Business Background
- Address
- No. 1-269, Zone B, Xiangdong Industrial Park, Xiangdong District, Pingxiang, Jiangxi, China
-
Terms of Payment
- T/T, Western Union
- International Commercial Terms(Incoterms)
- FOB, EXW, CIF, DAP, FCA
- Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays -
Nearest Port
- Shanghai Port
-
Minimum Order Quantity
- 1 Ton
-
Supply Chain Partners
- 1
Our Production Capability & Technical Expertise
- Main Products
- Ceramic Ball, Pall Ring, Molecular Sieve, Honeycomb Ceramic, Activated Alumina, Structured Packing, Metal Random Packing, Plastic Random Packing, Ceramic Random Packing
-
Production Lines
- 2
-
Production Machines
- Furance, Electric Kiln, Drying Furnace, Screening Machine
-
QA/QC inspectors
- 3 people
-
Inspection Type for Finished Products
- Random inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Have instruction but no written records
-
Customization Options
- Customization from Samples, Customization from Designs, Full Customization, Minor Customization, Flexible customization
-
OEM Service Available
- Yes
-
R&D Engineers
- 5 people
-
Traceability of Raw Materials
- Yes
Our Industry Experience & Global Business Record
-
Export Year
- 1 Years
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Africa, Eastern Asia, Western Europe
-
Repeat Buyers Choice
- 50%~80%
-
Number of Foreign Trading Staff
- 5
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- No
Our Certifications, Standards & Industry Recognition
-
Management System Certification
- ISO9001:2015, ISO14001, ISO45001:2018
FAQ
- What is a liquid level cover ball?
- A floating ball designed to cover the surface of liquids in tanks to reduce evaporation, heat loss, and chemical fume emissions.
- What materials are used?
- Made from high-quality polypropylene (PP), resistant to acids, alkalis, and most chemicals.
- What are the main benefits?
- Minimizes evaporation and heat loss Prevents odor and harmful fume release Reduces energy consumption Enhances safety and prevents contamination
- Where can it be used?
- Suitable for chemical tanks, water treatment tanks, acid storage, electroplating, and other industrial liquid storage systems.
- How does it float and cover the surface?
- Its lightweight, spherical design allows it to automatically float and form a protective layer over the liquid surface.
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