Benefits
8 models in this family, organized across 1 subfamily. Representative models: RPI-2000, RPI-2800, RPI-3000A.
Ho so thuong hieu quoc te
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
Dong san pham va huong dan lua chon
Cach chon Chemicals cua Ropur
Phan nay tra loi hai cau hoi: Ropur co nhung dong san pham chinh nao, va can so sanh nhung thong so nao truoc khi chon model cu the.
Buoc 1: Chon dong san pham theo ung dung
Cac dong san pham chinh tren trang nay gom Benefits. Hay chon dong phu hop voi muc tieu xu ly, dang thiet bi va dieu kien van hanh truoc, sau do dung chi muc model ben duoi de so sanh thong so cu the.
Buoc 2: Xac nhan model bang thong so chinh
Sau khi chon dong san pham, hay so sanh water analysis, dose range, compatibility, and cleaning objective. Du an thay the cung phai kiem tra dieu kien lap dat, giao dien va kha nang tuong thich voi he thong hien huu; du an moi can xem them cach van hanh, bao tri va nguon phu tung hoac vat tu.
Product family overview
1 product family on this page.
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RPI-2000
Benefits › Benefits
Typical dosage: 1 – 10 ppm as delivered, depending on operating conditions and water composition · pH-value: 7.0 – 7.5 · Dosage control: Proportional to feed water flow
RPI-2000 is a scale inhibitor formulated for RO systems, free from phosphonates and phosphates.
RPI-2800
Benefits › Benefits
Required Dosage: Depends on operating conditions and water composition, typically ranging from 1 – 5 ppm as delivered · pH-value: 8.5 – 9.2 · Dosage Control: Proportional to feed water flow using standard metering pumps
RPI-2800 is a scale inhibitor formulated from a stabilized modified polyacrylate for RO systems with polyamide or cellulose acetate membranes.
RPI-3000A
Benefits › Benefits
Required Dosage: Varies between 1 – 10 ppm (as delivered), depending on operating conditions and water composition · pH-value: 4.8 – 5.3 · Appearance: Clear, dark yellow liquid
RPI-3000A is a scale inhibitor designed for RO systems with polyamide, cellulose acetate, and polyether membranes.
RPI-4000A
Benefits › Benefits
Dosage Range: 1 – 8 ppm (as delivered), depending on operating conditions and water composition · pH-value: 4,7 – 5,2 · Appearance: Clear, amber liquid
The Ropur RPI-4000A is a stabilized organic phosphonate solution designed to inhibit scale formation in RO systems.
RPI-4500A
Benefits › Benefits
Dosage Level: 1 – 8 ppm as delivered, depending on operating conditions and water composition · pH-value: 4.0 – 4.3 · Dosage Control: Proportional to feed water flow using standard metering pumps
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
Benefits › Benefits
pH-value: 4,8 – 5,3 · Appearance: clear, slightly yellow liquid · Density: 1,11 – 1,17 g/cm³
RPI-5000A is a polymer-based scale inhibitor designed to prevent SiO₂ scale formation in reverse osmosis systems.
RPI-6000
Benefits › Benefits
pH-value: 6.0 – 8.0 · Appearance: clear, yellowish liquid · Density: 1.14 – 1.16 g/cm³
ROPUR RPI-6000 is a scale inhibitor formulated for RO systems, effective against calcium sulfate and calcium carbonate scaling, and metal oxide deposition.
Brand Products & Technical Documents
8 product profiles with integrated document access
Each card keeps the curated model introduction and combines the readable datasheet page, OEM PDF, and official source. Product understanding and document access now share one card set.
Benefits
8 product profiles
Benefits
Chemicals
Product profile
RPI-2000
RPI-2000 is a scale inhibitor formulated for RO systems, free from phosphonates and phosphates.
Chemicals
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
Product profile
RPI-3000A
RPI-3000A is a scale inhibitor designed for RO systems with polyamide, cellulose acetate, and polyether membranes.
Chemicals
Product profile
RPI-4000A
The Ropur RPI-4000A is a stabilized organic phosphonate solution designed to inhibit scale formation in RO systems.
Chemicals
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
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
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
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.