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International brand dossier

Ropur

ROPUR RPI is Toray Membrane Europe's antiscalant chemistry brand, with history connected to Swiss ROPUR AG, established in 1983 and known for early work in reverse-osmosis antiscaling chemicals.In membrane systems the brand is relevant when RO/NF scale control, drinking-water approvals, dosage calculation, and long-term plant protection are central to operation.

Ropur's position in water treatment chemicals is defined by product families such as Benefits › Benefits.The portfolio is best understood inside RO/NF membrane operation, cooling and boiler water programs, pretreatment, cleaning, and plant reliability work, where engineers compare the technology route, family boundaries, and duty fit before narrowing to individual models.

Representative series on this page include RPI-2000, RPI-2800 and RPI-3000A.Engineers should first compare target foulants, chemical function, dosage window, compatibility, and field support.These cues help users understand the brand's strongest fit before moving into the model index and product cards for finer comparison.

8

Indexed models

1

Product families

1

Subgroups

Model index

Product range and selection

How to choose Ropur Chemicals

This section answers two questions: which main product families Ropur offers, and which parameters to compare before choosing a specific model.

Step 1: Choose a product family by application

The main families shown on this page are Benefits. Start with the treatment objective, equipment format, and operating duty, then use the model index below to compare exact specifications.

Step 2: Confirm the model by key parameters

After choosing a product family, compare water analysis, dose range, compatibility, and cleaning objective. Replacement projects should also verify installation or loading conditions, interfaces, and compatibility with the existing system; new projects should consider operating practice, maintenance, and spare-parts or consumables availability.

Product family overview

1 product family on this page.

Benefits

8 models in this family, organized across 1 subfamily. Representative models: RPI-2000, RPI-2800, RPI-3000A.

Quick Model Index

Fast lookup for 8 indexed products

The table is intentionally compact: use it to scan model names, product families, and source links quickly. Open the profile cards below when you want richer context.

Product profile cards

Benefits

8 indexed models

Benefits

ModelApplicationSources
RPI-2000RPI-2000 is a scale inhibitor formulated for RO systems, free from phosphonates and phosphates.
RPI-2800RPI-2800 is a scale inhibitor formulated from a stabilized modified polyacrylate for RO systems with polyamide or cellulose acetate membranes.
RPI-3000ARPI-3000A is a scale inhibitor designed for RO systems with polyamide, cellulose acetate, and polyether membranes.
RPI-4000AThe Ropur RPI-4000A is a stabilized organic phosphonate solution designed to inhibit scale formation in RO systems.
RPI-4500AThe Ropur RPI-4500A is a scale inhibitor designed for RO systems, effective against various scale types including calcium carbonate, sulfates, and silicates.
RPI-5000ARPI-5000A is a polymer-based scale inhibitor designed to prevent SiO₂ scale formation in reverse osmosis systems.
RPI-6000ROPUR RPI-6000 is a scale inhibitor formulated for RO systems, effective against calcium sulfate and calcium carbonate scaling, and metal oxide deposition.
RPI-7000ARPI-7000 is a liquid scale inhibitor designed for the stabilization of waters with high phosphate content and effective against silicate scales.

Brand Technical Documents

8 readable document pages

These document pages collect product manuals, model notes, accessory documents, and application files for this brand in the current category. Open the PDF when original tables, diagrams, or full manuals are needed.

RPI-2000

RPI-2000 is a scale inhibitor formulated for RO systems, free from phosphonates and phosphates.

RPI-2800

RPI-2800 is a scale inhibitor formulated from a stabilized modified polyacrylate for RO systems with polyamide or cellulose acetate membranes.

RPI-3000A

RPI-3000A is a scale inhibitor designed for RO systems with polyamide, cellulose acetate, and polyether membranes.

RPI-4000A

The Ropur RPI-4000A is a stabilized organic phosphonate solution designed to inhibit scale formation in RO systems.

RPI-4500A

The Ropur RPI-4500A is a scale inhibitor designed for RO systems, effective against various scale types including calcium carbonate, sulfates, and silicates.

RPI-5000A

RPI-5000A is a polymer-based scale inhibitor designed to prevent SiO₂ scale formation in reverse osmosis systems.

RPI-6000

ROPUR RPI-6000 is a scale inhibitor formulated for RO systems, effective against calcium sulfate and calcium carbonate scaling, and metal oxide deposition.

RPI-7000A

RPI-7000 is a liquid scale inhibitor designed for the stabilization of waters with high phosphate content and effective against silicate scales.

AI-ready Product Profiles

Product cards for screening and future AI matching

These cards are designed as reusable product profiles: the same format can later appear in AI search results, shortlist views, and assisted product matching.

Benefits

8 profile cards

Benefits

Chemicals
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Product profile

RPI-2000

RPI-2000 is a scale inhibitor formulated for RO systems, free from phosphonates and phosphates.

Chemicals
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Product profile

RPI-2800

RPI-2800 is a scale inhibitor formulated from a stabilized modified polyacrylate for RO systems with polyamide or cellulose acetate membranes.

Chemicals
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Product profile

RPI-3000A

RPI-3000A is a scale inhibitor designed for RO systems with polyamide, cellulose acetate, and polyether membranes.

Chemicals
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Product profile

RPI-4000A

The Ropur RPI-4000A is a stabilized organic phosphonate solution designed to inhibit scale formation in RO systems.

Chemicals
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Product profile

RPI-4500A

The Ropur RPI-4500A is a scale inhibitor designed for RO systems, effective against various scale types including calcium carbonate, sulfates, and silicates.

Chemicals
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Product profile

RPI-5000A

RPI-5000A is a polymer-based scale inhibitor designed to prevent SiO₂ scale formation in reverse osmosis systems.

Show remaining Benefits / Benefits profiles (2)
Chemicals
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Product profile

RPI-6000

ROPUR RPI-6000 is a scale inhibitor formulated for RO systems, effective against calcium sulfate and calcium carbonate scaling, and metal oxide deposition.

Chemicals
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Product profile

RPI-7000A

RPI-7000 is a liquid scale inhibitor designed for the stabilization of waters with high phosphate content and effective against silicate scales.