Four positions Polymer Viscometer PSL-Rheotek
The PSL Rheotek RPV-1 (4) four position polymer viscometer system is suitable for measuring the dilute solution viscosity of a wide range of polymers dissolved in acids, organic solvents or water, including PA, PET, PVC, PLA, PBT, PC, PE, PP, Cellulose Acetate, Inks, bio-polymers and other.
RPV-1 systems are designed to be integrated with the SP-1 Sample Preparation system for polymers.
Other options include SD-1 Sample dissolution and RSS Rheotek Smart Sampler.
The PSL Rheotek RPV-1 (4) provides a reliable and precise system for measuring dilute solutions of polymers.
The RPV-1 automates the manual steps set out in standard methods, minimizing the variability of results.
Systems can be configured with 1 to 4 measuring positions. Other options include sample preparation,
sample dissolution and auto sampler.
Flow times are measured automatically using ASTM Ubbelohde viscometer tubes supplied with ISO 17025
certificates of calibration.
Cleaning is carried out in-situ utilizing solvents and a safe vacuum system.
The comprehensive RPV-1 software program records all measurement data as well as calculating a wide
range of results.
| Standard Practice: |
| ASTM D2857 Determination of the dilute solution viscosity of polymers. |
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| Test Methods General: |
| ISO 1628 Part 1 Determination of the reduced viscosity, intrinsic viscosity and K-value of polymers in dilute solution using glass capillary viscometers |
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| Test Methods Polyamides (PA): |
| ASTM D789 Determination of the Relative Viscosity of Polyamide (PA) |
| ISO 307 Determination of viscosity number Polyamides |
| DIN 53727 – Bestimmung der Viskosit?t von L?sung, Polyamid (PA) in verdünnter L?sung. |
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| Test Methods Poly (Ethylene Terephthalate) PET: |
| ASTM D4603 Determination of the Inherent Viscosity of Poly (Ethylene Terephthalate) PET |
| ISO 1628 Part 5 Determination of the viscosity number (reduced viscosity) of? Poly (Ethylene Terephthalate) PET, poly (butylene terephthalate) PBT, poly (cyclohexylenedimethylene terephthalate) PCT and poly (ethylene naphthalate) PEN. |
| DIN 53728 – Bestimmung der Viskosit?t von L?sung, bestimmung der Viskosit?tszahl von Polyeyhyleneterphthalat (PETP) oder Polybutyleneterephthalat (PBTP) in verdünnter L?sung. |
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| Test Methods Poly Vinyl Chloride (PVC): |
| ASTM D1243 Determination of the Inherent Viscosity of vinyl chloride polymers in cyclohexanone. |
| ISO 1628 Part 2 Determination of the reduced viscosity (viscosity number) and K-value of PVC resins. |
| DIN 53726 – Bestimmung de Viskosit?tszahl und des K-Wertes von Vinylchlorid (VC) – Polymerisation. |
| JIS K 6722 Testing methods for poly vinyl chloride |
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| Test Methods Cellulose Acetate: |
| ASTM D871 Testing Cellulose Acetate |
| ISO 1599 Determination of Viscosity Loss on moulding of Cellulose Acetate. |
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| Other Test Methods: |
| ASTM D445 Standard Test Method for determination of kinematic viscosity |
| ISO 3104 Petroleum products – determination of kinematic viscosity |
| IP 71 Section 1 Kinematic Viscosity |
| Typical RPV Applications And Configurations? |
| Polymer |
Test Method |
Solvent |
Concentration |
Temperature |
RPV Measuring Positions |
| PA |
ASTM D789 |
Formic acid |
8.4% |
25°C |
2 to 4 |
| PA |
ISO 307 |
Formic acid |
0.5% |
25°C |
1 to 4 |
| PA |
ISO 307 |
Sulphuric acid |
0.5% |
25°C |
1 to 4 |
| PA |
ISO 307 |
M-Cresol |
0.5% |
25°C |
1 to 4 |
| PET |
ASTM D4603 |
Phenol/Tetrachloroethane |
0.5% |
30°C |
1 to 4 |
| PET |
ISO 1628-5 |
Phenol/Dichlorobenzene |
0.5% |
25°C |
1 to 4 |
| PET |
ISO 1628-5 |
Dichloroacetic acid |
0.5% |
25°C |
1 to 4 |
| PVC |
ASTM D1243 |
Cyclohexanone/THF |
0.2% |
30°C |
1 to 4 |
| PVC |
ISO 1628-2 |
?Cyclohexanone |
0.5% |
25°C |
1 to 4 |
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PSL Viscometer tube type: AKV Ubbelohde, or RPVm Ubbelohde
| Part No. | Ordering information |
| RPV-1 (4) | PSL Rheotek Polymer Viscometer – four positions complete with viscometer bath, chiller, control module, four measuring heads, four filling stations, PC control system and PIAB vacuum system. |
| Part No. | Options |
| RPVS010 | RPV start up kit including glass vials (144 pcs) and plastic caps (500 pcs) |
| SIL-OIL | Silicone bath oil |
| MIN-OIL | Mineral bath oil |
| ACC-1 | Anti-corrosive coating – required for sulfuric acid and DCA applications |
| TSC-1 | Third cleaning option – required for sulfuric acid or custom applications. |
| SWC/U | Split waste upgrade option |
| STATPACK | RPV StatsPack extraction of results to PC or LIMS |
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