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High Salt Rejection 4040 8040 Membrane RO Membrane for Water Purifier Plant
US$50.00
10 Pieces
Product specifications
Performance
Sample price:US$235.00/piece.Request sample
Product profile
Customization
AvailableMembrane Type
SpiralType
ROModel NO.
TW-4040-HFEffective Membrane Area
90(8.4) FT2(M2)Model No.
Wl-Tw-4040-HfApplication
High Purity Water, Boiler Feed Water etc..Size
3.9*40.0 InchInfluent Concentration
1500 PpmRecovery Rate
15%Stable Salt Rejection Rate
99.0%Flow Rate
2700 Gpd (10.2m3/Day)Keyword
Tap Water RO MembraneUsage
High Purity Water, Boiler Feed Water etc.Material
PolyamidesFunction
Reverse Osmosis System PartWater Temperature
25℃Test Pressure
150 Psi (1.03MPa)pH Value
7.5Transport Package
10PCS/CartonSpecification
99*1016 mmTrademark
WalchinOrigin
ChongqingHS Code
8421999090Production Capacity
500000 Pieces/YearKey features
High Salt Rejection: Achieves a stable salt rejection rate of 99.0% for effective purification.
High Flow Rate: Delivers a permeate flow rate of 2700 GPD (10.2 m3/Day) under test conditions.
Versatile Application: Suitable for municipal tap water, high purity water, and boiler feed water.
Low Pressure Operation: Effectively filters contaminants under low operating pressure conditions.
Durable Material: Constructed with Polyamides for long-lasting reverse osmosis performance.
Quality Assurance: Pre-production samples and final inspections guaranteed before shipment.
Customization Options: Offers customization from samples, designs, and full customization services.
Wide Industry Use: Widely used in power, petrochemical, steel, electronics, and food industries.
Company profile
CertifiedBusiness Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedNearest Port: Shanghai PortAverage Response Time: ≤24h CertifiedTerms of Payment: LC, D/P, T/T, etc.
AI-Powered supplier vetting
SummaryThe supplier is identified as a trading company located in Chongqing, with four production lines and stated RO membrane sheet output of 15,000,000 square meters. It supports sample-based, design-based, minor, and full customization and offers ODM services. Export sales account for 31%–40% of total sales, with export terms including FOB, CIF, CFR, and EXW. However, evidence shows weaknesses in documented service execution: procedures for supplier assessment, corrective actions, and complaint handling exist without written records. The supplier has no overseas warehouse, showroom, agent or branch, or offline trade-show participation. Innovation evidence is limited because no new products were reported in the past year and no SDK is available. Quality-control staffing and staff experience are either unavailable or reported as zero. Financial information provided for recent periods consists of zero values, making financial credibility difficult to establish.
Supplier typeThe supplier is explicitly classified as a trading company, located in Chongqing’s Kaizhou District, and associated with the scientific research and technical services industry. This establishes its registered business type but does not by itself confirm whether it owns or directly operates manufacturing facilities.
After-Sales capabilityThe supplier has procedures for service assessment, corrective and preventive actions, and complaint handling, but no written records are maintained for these processes. It has no overseas warehouse, showroom, overseas agent or branch, and offers services in zero overseas countries, limiting demonstrated international after-sales infrastructure.
Financial creditThe supplied financial records report zero operating revenue, operating cost, gross profit, operating profit, gross margin, and current ratio for the stated recent periods. These figures provide no positive evidence of operating financial strength and create a material basis for concern about financial credibility.
R&D capabilityThe supplier offers ODM services and customization through samples and designs, but reports no new products during the past year, no available SDK, and only one year of total R&D engineer experience. This indicates some design-related capability but limited demonstrated recent innovation.
Production capacityThe supplier reports four production lines and annual RO membrane sheet output of 15,000,000 square meters, with off-season lead time within 15 working days and peak-season fulfillment of one month. However, it does not conduct continuous quantity reconciliation for every batch or mass production, and quality-control staffing is unavailable, creating a production-control weakness.
Customization capabilityThe supplier explicitly supports customization from samples, full customization, customization from designs, and minor customization, and also provides ODM services. These stated capabilities directly support a broad range of customer-specific product development requirements.
Product Q&A
Q:What type of RO membrane is available in your company?
A:
In general, Aotun has Household/Commercial RO membrane and Industrial RO membrane for optional.
Q:What is Salt Rejection Ratio?
A:
The Salt rejection describes the quality of salt removed from the Reverse Osmosis feed water stream as a percentage. It's one of the key element of the RO membrane quality. Furthermore, other essential elements such as performance durability, stability, application scope in different region, and permeate flow rate at the same pressure will all be the important factors to judge the quality of the membrane.
Q:How often do RO membranes need to be replaced?
A:
RO membranes typically last 2-3 years, but lifespan depends on water quality and maintenance. Regular cleaning extends membrane life.
Q:Is the Salt rejection of the RO membrane the higher the better?
A:
This will be depending on the feed water quality, if the feed water quality is good, even a 90% salt rejection membrane will be workable, if the feed water is with bad quality and with brackish water environment, a higher salt rejection above 95% is an ideal choice. For any membrane that meet the local drinking water standard will be a good membrane.
Q:How can we guarantee quality?
A:
Always a pre-production sample before mass production; Always final Inspection before shipment.
Send Inquiry
*To:
Chongqing Aotong Environmental Protection Technology Co., Ltd.
Chongqing Aotong Environmental Protection Technology Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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