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Contaminant Comparison Chart

For a complete list of contaminants that PUR filters reduce, please view our Performance Data Sheets here.

 

 

 

PUR & PUR PLUS FAUCET FILTERS
RF3375/RF9999

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PUR PLUS PITCHER FILTERS
PPF951K

View Filter

PUR BASIC PITCHER FILTERS
PPF900Z

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Vs. Brita*
Lead ✓ ✓
Microplastics ✓ ✓
Mercury ✓ ✓ ✓
Chlorine Taste & Odor ✓ ✓ ✓
DEET ✓
TTHM ✓

PUR’s Filtration Systems Are Certified By NSF And WQA For Their Contamination Reduction. WQA certifications as of 5/27/21 for Faucet filter models RF-3375 and RF-9999.

¹ Certified to reduce 10X more chemical and physical substances than Brita’s® leading pitcher filter.
² Certified to reduce 3X more chemical and physical substances than Brita’s® leading pitcher filter.
³ Certified to reduce 2X more chemical and physical substances than Brita’s® leading pitcher filter.
*Versus best-selling Brita® pitcher filter OB03. Brita® is a trademark of Brita LP.
**Like other leading brands, PUR does not filter microbes. As of 3/1/23 Brita® and ZeroWater® were not certified to filter microbes. Brita® is a trademark of Brita LP. ZeroWater® is a trademark of Zero Technologies, LLC..

 

PUR & PUR PLUS FAUCET FILTERS

 

 

 

PUR & PUR PLUS FAUCET FILTERS
RF3375/RF9999

View Filters
 

Vs. Brita*
Lead ✓
Microplastics ✓
Mercury ✓
Chlorine Taste & Odor ✓
DEET ✓
TTHM ✓

PUR’s Filtration Systems Are Certified By NSF And WQA For Their Contamination Reduction. WQA certifications as of 5/27/21 for Faucet filter models RF-3375 and RF-9999.

¹ Certified to reduce 10X more chemical and physical substances than Brita’s® leading pitcher filter.
² Certified to reduce 3X more chemical and physical substances than Brita’s® leading pitcher filter.
³ Certified to reduce 2X more chemical and physical substances than Brita’s® leading pitcher filter.
*Versus best-selling Brita® pitcher filter OB03. Brita® is a trademark of Brita LP.
**Like other leading brands, PUR does not filter microbes. As of 3/1/23 Brita® and ZeroWater® were not certified to filter microbes. Brita® is a trademark of Brita LP. ZeroWater® is a trademark of Zero Technologies, LLC..

 

PUR PLUS PITCHER FILTERS

 

 

PUR PLUS PITCHER FILTERS
PPF951K

View Filter

 

Vs. Brita*
Lead ✓
Microplastics ✓
Mercury ✓
Chlorine Taste & Odor ✓
DEET
TTHM

PUR’s Filtration Systems Are Certified By NSF And WQA For Their Contamination Reduction. WQA certifications as of 5/27/21 for Faucet filter models RF-3375 and RF-9999.

¹ Certified to reduce 10X more chemical and physical substances than Brita’s® leading pitcher filter.
² Certified to reduce 3X more chemical and physical substances than Brita’s® leading pitcher filter.
³ Certified to reduce 2X more chemical and physical substances than Brita’s® leading pitcher filter.
*Versus best-selling Brita® pitcher filter OB03. Brita® is a trademark of Brita LP.
**Like other leading brands, PUR does not filter microbes. As of 3/1/23 Brita® and ZeroWater® were not certified to filter microbes. Brita® is a trademark of Brita LP. ZeroWater® is a trademark of Zero Technologies, LLC..

 

PUR BASIC PITCHER FILTERS

 

 

 

PUR BASIC PITCHER FILTERS
PPF900Z

View Filter

 

Vs. Brita*
Lead
Microplastics
Mercury ✓
Chlorine Taste & Odor ✓
DEET
TTHM

PUR’s Filtration Systems Are Certified By NSF And WQA For Their Contamination Reduction. WQA certifications as of 5/27/21 for Faucet filter models RF-3375 and RF-9999.

¹ Certified to reduce 10X more chemical and physical substances than Brita’s® leading pitcher filter.
² Certified to reduce 3X more chemical and physical substances than Brita’s® leading pitcher filter.
³ Certified to reduce 2X more chemical and physical substances than Brita’s® leading pitcher filter.
*Versus best-selling Brita® pitcher filter OB03. Brita® is a trademark of Brita LP.
**Like other leading brands, PUR does not filter microbes. As of 3/1/23 Brita® and ZeroWater® were not certified to filter microbes. Brita® is a trademark of Brita LP. ZeroWater® is a trademark of Zero Technologies, LLC..

 

China Top Polymeric Surge Arrester Suppliers?

China has become a major manufacturing base for medium- and high-voltage protection equipment. Among its export products, the Polymeric Surge Arrester deserves careful technical review. These devices protect transformers, cables, switchgear, and overhead lines from lightning and switching surges. Their polymer housings offer practical advantages, including lighter weight and improved resistance to contamination.

This guide examines China’s leading Polymeric Surge Arrester suppliers through measurable criteria. These include product design, testing capability, manufacturing experience, certifications, and export performance. Reliable manufacturers should provide clear technical data, routine test records, and traceable production information. Buyers should also check compliance with relevant IEC standards, especially IEC 60099-4 where applicable. Factory audits can reveal details that brochures often omit. Look closely at sealing quality, shed design, silicone rubber performance, and terminal finishing.

Field experience matters.

A dependable supplier should explain how its arresters perform in coastal, industrial, and high-altitude environments. It should also recommend suitable ratings for different system voltages and grounding conditions. Some suppliers appear strong online but provide limited evidence after a quotation. That remains a warning sign. Product price alone cannot show long-term reliability, especially when failure may damage expensive grid equipment.

No supplier list is perfect. Testing methods, certification status, and production capacity can change over time. Therefore, this overview should support, not replace, technical verification. By comparing documented performance with real project requirements, purchasers can identify capable Chinese manufacturers and reduce avoidable procurement risks.

China Top Polymeric Surge Arrester Suppliers?
Table of Contents [Hide]
1 What Are Polymeric Surge Arresters and How Do They Work?
2 China’s Polymeric Surge Arrester Industry and Supplier Landscape
3 Key Standards for Evaluating Chinese Surge Arrester Suppliers
4 Product Capabilities of China’s Leading Polymeric Arrester Suppliers
5 How to Select and Verify a Reliable Chinese Supplier

What Are Polymeric Surge Arresters and How Do They Work?

Polymeric surge arresters protect electrical equipment from lightning and switching overvoltages. Their core uses zinc-oxide varistor blocks. Under normal voltage, these blocks offer very high resistance. During a surge, resistance drops sharply, directing excess current safely toward ground. Voltage then returns to its operating level within milliseconds.

The polymeric housing is usually made from silicone rubber. It is lighter than porcelain and resists moisture, pollution, and impact.

IEC 60099-4:2014 evaluates metal-oxide arresters through current and voltage tests. IEEE Std C62.11-2020 also uses the standard 8/20 microsecond impulse for discharge testing.

These figures matter when suppliers specify protective levels, energy capacity, and short-circuit performance. A reliable supplier should provide type-test reports, routine-test records, and clear installation limits.

Tips:

Check the rated voltage against the system’s maximum continuous operating voltage. Inspect the ground connection, because a strong arrester cannot compensate for poor earthing. Measure leakage current during maintenance when practical. CIGRE application guidance repeatedly highlights moisture ingress, contamination, and ageing as important field concerns.

No design is perfect.

Polymer housings can age under ultraviolet exposure, heat, and repeated surges. In practice, selecting the lowest price may create a hidden maintenance cost. Some specifications still overlook cable length and grounding inductance, which can raise the voltage seen by protected equipment.

China’s Polymeric Surge Arrester Industry and Supplier Landscape

China’s polymeric surge arrester industry has developed around strong manufacturing capacity, component sourcing, and export experience. Suppliers commonly use zinc oxide varistors with silicone rubber housings. These materials help manage lightning impulses, switching surges, moisture, and outdoor pollution. Many factories serve utility, railway, renewable energy, and industrial distribution projects.

The supplier landscape includes original manufacturers, contract producers, and trading companies. Their capabilities can differ sharply. A reliable supplier should provide routine test records, type-test evidence, material details, and traceable production data. Check compliance with relevant IEC requirements, such as IEC 60099-4, when the project demands it. Ask about ageing tests, sealing performance, altitude limits, and polluted-environment suitability. A polished catalogue is not proof. I have seen specifications that looked complete but lacked clear test conditions. That gap deserves careful questioning.

Tips: Request samples from the same production line used for bulk orders. Compare dimensions, leakage current, housing quality, and terminal strength. Confirm whether testing is performed internally or by an independent laboratory. Discuss delivery records, packaging for humid transport, spare parts, and warranty terms. Do not choose only by price. The cheapest arrester may create higher inspection and replacement costs later. Supplier evaluation is still imperfect, especially when documents are translated or incomplete. Keep written records and require technical answers before approval.

China Top Polymeric Surge Arrester Suppliers? - China’s Polymeric Surge Arrester Industry and Supplier Landscape
Supplier Landscape Segment Typical Voltage Class Primary Product Configuration Main Application Relevant Technical Standards Common Manufacturing Capability Typical Buyer Evaluation Criteria China Market Position
Distribution Network Suppliers 3 kV–36 kV system classes Gapless metal-oxide varistor blocks in a silicone-rubber housing Overhead distribution lines, compact substations, transformers and cable terminations IEC 60099-4; IEEE C62.11; applicable national utility specifications High-volume molding, automated sealing, routine electrical testing and standardized accessories Leakage current stability, sealing performance, pollution resistance, price and delivery capacity Broad domestic supplier base
Medium-Voltage Substation Suppliers 36 kV–145 kV system classes Station-class polymeric arresters with mechanically supported MOV columns Indoor and outdoor substations, transformer protection and medium-voltage switchgear IEC 60099-4; IEC 60099-5 for selection and application guidance Controlled MOV grading, mechanical load verification, hydrophobic housing design and type-test coordination Residual voltage, energy capability, cantilever strength, environmental sealing and service life Strong production coverage
High-Voltage Substation Suppliers 145 kV–245 kV system classes Long-column polymeric arresters with field-control and pressure-relief features High-voltage substations, transformer banks, busbars and GIS or AIS interfaces IEC 60099-4; IEC 60099-5; purchaser-specific type-test requirements Advanced electric-field grading, long-term sealing, partial-discharge control and full type-test documentation Energy-class performance, thermal stability, seismic design, pollution performance and traceability Specialized supplier segment
Transmission-Line Suppliers 245 kV–800 kV system classes Line surge arresters with polymeric housings and line-mounted hardware Overhead transmission lines, tower protection and lightning-performance improvement IEC 60099-4; IEC 60099-5; utility line-arrester specifications Line hardware integration, high mechanical-load design, pollution testing and installation-specific engineering Lightning-current withstand, line-discharge class, mechanical reliability and installation compatibility Project-led and qualification-driven
Railway and Traction Suppliers 750 V DC to 27.5 kV AC applications Compact polymeric arresters adapted for traction power equipment Railway catenary systems, traction substations, rolling stock and DC feeder systems IEC 60099-4 where applicable; railway and purchaser-specific requirements Compact enclosure design, vibration resistance, DC or AC duty adaptation and specialized mounting systems Vibration endurance, short-circuit behavior, clearance requirements and coordination with traction insulation Growing specialized demand
Renewable-Energy Project Suppliers Low-voltage to 40.5 kV collection systems Polymeric arresters for inverter transformers, collector feeders and outdoor equipment Solar photovoltaic plants, wind farms and energy-storage substations IEC 60099-4; IEC 61643 series for low-voltage surge-protective devices where applicable Fast customization, enclosure integration, high-altitude or coastal adaptations and project documentation Coordination with inverters, repetitive overvoltage performance, environmental rating and delivery schedule Fast-growing project segment
Export-Oriented OEM Suppliers Low-voltage to high-voltage product ranges Private-label or specification-based polymeric arrester assemblies International distribution, EPC projects and utility tenders IEC 60099-4, IEEE C62.11 and destination-market certification requirements Multilingual documentation, export packaging, inspection support and customization of terminals or fittings Independent test reports, factory quality systems, documentation accuracy and after-sales support Important export channel
Utility-Qualified Project Suppliers Medium- and high-voltage classes Application-specific station, line or transformer arresters National-grid projects, large substations and long-term framework procurement IEC 60099-4, IEC 60099-5 and utility technical specifications Formal design review, lot traceability, type and routine testing, quality audits and field-service support Reference installations, test compliance, production consistency, warranty terms and lifecycle support Highest qualification threshold
Data basis: This table summarizes common product categories, voltage classes, standards and procurement characteristics used in the polymeric surge arrester industry. Voltage ranges are representative system classes rather than universal product limits. Supplier positioning is presented by capability segment and region-neutral market role; no company or brand ranking is included.

Key Standards for Evaluating Chinese Surge Arrester Suppliers

China Top Polymeric Surge Arrester Suppliers?

Supplier evaluation should begin with verifiable standards, not catalog claims. IEC 60099-4 defines key tests for metal-oxide surge arresters, including residual voltage, operating duty, and temporary overvoltage. Chinese suppliers should also provide compliance evidence under GB/T 11032-2020. Ask for complete type-test reports, laboratory accreditation, test dates, and rated-voltage details. A certificate alone is weak evidence. IEA’s Electricity 2024 report expects global electricity demand to grow by an average 3.4% annually through 2026. Faster grid expansion increases the need for dependable protection equipment.

Factory experience matters. Inspect zinc-oxide varistor batch controls, polymer housing bonding, sealing methods, and routine leakage-current testing. Request production records linked to each serial number. Independent testing through a CNAS-accredited laboratory adds credibility, especially for thermal stability and aging performance. Suppliers should explain pollution-level selection, altitude corrections, seismic requirements, and impulse-current capability for your installation. Small gaps appear here. Some documents list standards without showing actual test conditions. That deserves challenge. Review warranty exclusions, failure analysis procedures, spare-part support, and field references from similar voltage classes. A serious evaluation may include a sample audit, witnessed testing, and one controlled pilot shipment before volume purchasing.

Key Standards for Evaluating Chinese Polymeric Surge Arrester Suppliers

The chart highlights major standards commonly used when reviewing technical documentation, type-test evidence, routine testing, and application guidance for metal-oxide surge arresters without gaps.

IEC 60099-4 and GB/T 11032 are the primary product standards for AC metal-oxide surge arresters without gaps. IEC 60099-5 provides selection and application guidance, helping buyers assess whether a supplier’s technical recommendations match the intended system conditions.

Product Capabilities of China’s Leading Polymeric Arrester Suppliers

China’s leading polymeric arrester suppliers offer equipment for distribution, substation, railway, and renewable energy systems. Their core products use zinc oxide varistor blocks to limit lightning and switching overvoltages. Silicone rubber housings provide hydrophobic surfaces, UV resistance, and stable outdoor performance. Some suppliers also produce arresters with polymer sheds, insulating bases, disconnectors, and line mounting accessories.

Product capability depends on more than voltage ratings. Experienced manufacturers design arresters for different system voltages, pollution levels, installation heights, and short-circuit conditions. Their laboratories commonly test leakage current, residual voltage, thermal stability, sealing, and mechanical strength. Compliance with IEC or IEEE requirements supports dependable evaluation. Factory inspection may include visual checks, dimensional control, and batch traceability. These details matter when arresters face coastal salt, industrial dust, or repeated storms.

Customization is another practical strength. Suppliers can adjust terminals, brackets, creepage distances, and housing colors for project specifications. Some provide technical drawings and sample testing before mass production. However, product brochures do not reveal every field weakness. Long-term aging data can be limited, and installation quality still affects performance. Buyers should request test records, inspect production consistency, and compare actual operating conditions with laboratory claims. Small differences in sealing or assembly may become serious after years outdoors.

How to Select and Verify a Reliable Chinese Supplier

China Top Polymeric Surge Arrester Suppliers?

Choosing a Chinese polymeric surge arrester supplier requires more than comparing unit prices. Check the supplier’s manufacturing experience, engineering team, and export record. Ask for product drawings, rated voltage data, and applicable test standards. IEC 60099-4 compliance is an important reference, but certificates alone are not enough. A reliable supplier should explain its testing process clearly.

Request type-test and routine-test reports from an accredited laboratory. Verify report numbers, product models, test dates, and laboratory details. Inspect the zinc oxide blocks, silicone rubber housing, sealing structure, and pressure-relief design. During a factory visit, look for clean assembly areas and traceable material records. Ask how rejected units are isolated. Small details often reveal process discipline.

Use a pre-shipment inspection for the first order. Compare random samples with approved drawings and measured dimensions. Check leakage current, insulation resistance, and packaging protection when practical. A video tour helps, but it cannot replace independent verification. A polished website proves little. I once focused too heavily on documents and overlooked inconsistent labeling. That was a useful warning. No checklist is perfect. Keep communication records, define acceptance criteria, and test a small batch before approving larger quantities.

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