Different tubes and qualities
Please choose the right tube material for your application. The right choice is decisive because an exactly and practically work requires the right tube material. medorex offers these in different diameter and wall thickness.
| Name | Silicon | PharMed/Santoprene | Tygon LFL |
|---|---|---|---|
| Advantages | hardly release of the softeners and other additives, smell neutral, not toxic, mould resistant, ideal for low temperatures, waterproof and resistant to ozone, radiation, sunlight | Can be welded stuck and formed, very long lifespan, low gas permeability, suitably for the medicine and food sections, impermeable for normal light and UV radiation. | Clear tube with a high life time, high chemical compatibility, tasteless, good dielectric qualities, low gas permeability, suitably for the medicine and Food section |
| Qualities | Not suitably for concentrated solvents, oils, acids or thinned potassium Hydroxide, relative high gas permeability | Remove from additional chemicals is possible | Not suitable for human blood and tissue part |
| Physical qualities | Transparent, Polydimethylsiloxan with silica and silicon oil additives, excellent compression resistance | Polypropylenelastomer, excellent tensile strength non-transparent, beige | Flexible, soft, transparent clear |
| Temperature range | -50°C up to +230°C | -50°C up to +135°C | -50°C up to +74°C |
| Application: | |||
| Acid | Conditional | good | good |
| Base | Conditional | good | good |
| Solvent | not suitable | not suitable | not suitable |
| Pressure | Satisfactory | good | good |
| Vacuum | good | good | good |
| Viscous media | Satisfactory till good | excellent | excellent |
| Sterile media | good | good | good |
| Complies with the norms | USP class VlFDA 21 CFR 177.2600 USDA standard | USP class VlFDA 21 CFR 177.2600 (only Pharmed) 3 ARPA and NSF | USP class, FDA |
| Sterilisation | Gamma radiate or autoclavable in steam atmosphere, sterilisation not with ethylene oxide | Autoclavable, without ageing appearances | Steam and ethylene oxide sterilization capable (max. 30 min. at 121o C) |
| Permeability: | |||
| CO2 | 1200 | 1200 | 563 |
| H2 | 16170 x 10-11 | 772 x 10-11 | 362 x 10-11 |
| O2 | 200 | 200 | 124 |
| N2 | 80 | 80 | 67 |
| Name | Viton / Fluran F-5500 | Norpren |
|---|---|---|
| Advantages | Resistant against chemicals, excellent resistance against corrosive media, solvent and oils with high temperatures, low gas permeability | Good resistance against acids and bases, long lifespan, low gas permeability, can be stuck welded and formed, not oxidizing, good dielectric qualities, doesn't age |
| Qualities | Restricted lifespan | Remove from additional chemicals is possible |
| Physical qualities | Fluorpolymerelastomer, non-transparent, black | Polypropylenelastomer, excellent tensile strength, non-transparent, black |
| Temperature range | -40°C up to +130°C | |
| Application: | ||
| acid | excellent | good |
| Base | excellent | good |
| Solvent | good | not suitable |
| Pressure | good | Satisfactory |
| Vacuum | good | good |
| Viscous media | good | excellent |
| Sterile media | Satisfactory | Not recommendable |
| Complies with the Norms | no details | no details |
| Sterilisation | Steam and Ethylenoxide sterilization capable (max. 30 min. at 121° degrees Celsius) | Not recommendable |
| Permeability: | ||
| CO2 | 38 | 1200 |
| H2 | 24 x 10-11 | 772 x 10-11 |
| O2 | 14 | 200 |
| N2 | 5 | 80 |
Fair "Achema 2012"
Dear customers,
meet medorex from June 18th to 22nd 2012 on Achema 2012 in Frankfurt, Germany, Hall 4.2, Booth D53. we will be pleased to see you again.
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