Mecadi
Chemical laboratory technician (m/f/d), full-time (40 h)
Mecadi GmbH – Chemicals/Processing is a global cross-industry service provider and manufacturer in the fields of permeation and functionalized polymers. Our focus is on services
Chlorine-Sulfonated-Polyethylene (CSM or CSPE)
Description: Chlorine-sulfonated polyethylene containing 1.5% sulfur and 27% chlorine. Its properties are comparable to those of chlorine-butadiene-rubber CR. Because of the chlorine atoms contained within
Time-lag
Description: Time needed by a chemical for permeating through a material. An important characteristic, e.g. for gloves, which can be determined. Relevant question for this
Tetrafluoroethylene-Hexafluoropropylene-Vinylidenefluoride- Fluoroterpolymer (TFB)
Description: TFB is a thermoplastic fluoroterpolymer, which consists of tetrafluoroethylene (TFE), hexafluoropropylene (HFP) and vinylidenefluoride (VDF). TFB is also known as THV® from Dyneon. The
OENORM EN ISO 6529:2003-08-01
Title: Protective clothing – Protection against chemicals – Determination of resistance of protective clothing materials to permeation by liquids and gases (ISO 6529:2001) Category: Protective
DIN 10964:1996-02
Titel: Sensorische Prüfverfahren – Einfach beschreibende Prüfung Kategorie: Sensorische Analyse Bitte beachten Sie: Vollständige Normblätter erhalten sie beim Beuth Verlag.
ISO 6530:2005-02
Title: Protective clothing – Protection against liquid chemicals – Test method for resistance of materials to penetration by liquids Category: Protective Clothing Please note: Complete
Oxygen permeability OTR according to in-house method
Please contact us for further information.
ISO 2782:2006-10
Title: Rubber, vulcanized or thermoplastic — Determination of permeability to gases Categor<: Elastomer Please note: Complete standard sheets are made available by Beuth Verlag.
DIN EN ISO 2556:2001-01
Title: Plastics – Determination of the gas transmission rate of films and thin sheets under atmospheric pressure – Manometric method (ISO 2556:1974); German version EN
DIN EN 1015-19
Title: Methods of test for mortar for masonry – Part 19: Determination of water vapour permeability of hardened rendering and plastering mortars Category: Building Materials
ISO 11092:1993-10
Title: Textiles; physiological effects; measurement of thermal and water-vapour resistance under steady-state conditions (sweating guarded-hotplate test) Category: Textiles Please note: Complete standard sheets are made
DIN EN ISO 15106-1:2005-05
Title: Plastics – Film and sheeting – Determination of water vapour transmission rate – Part 1: Humidity detection sensor method (ISO 15106-1:2003); German version EN
Water vapor permeability WVTR (gravimetric) according to DIN 53122-1 / DIN 53122-A
Description: Testing method applicable to nearly all materials. e.g. plastic and polymer films, paper, cardboard, textiles with or without coating. Result Unit: WVTR (water vapour
Polychloroprene (CR)
Description: Raw monomeric chloroprene is a colourless fluid. It is insoluble in water but soluble in most organic solvents and has got a tendency towards
DIN EN 1062-3:2008-04
Title: Paints and varnishes – Coating materials and coating systems for exterior masonry and concrete – Part 3: Determination of liquid water permeability; German version
Transponder
Description: A transponder is a transmitting unit with a defined frequency range. It is used for (mainly wireless) communication, displaying or controlling tasks. It receives
DIN EN 374-3:2003-12
Title: Protective gloves against chemicals and micro-organisms – Part 3: Determination of resistance to permeation by chemicals; German version EN 374-3:2003 Please note: Has been
DIN 10967-3:2001-08
Title:Sensory analysis – Investigation of profiles – Part 3: Free choice profiling Category: Sensory Analysis Please note: Complete standard sheets are made available by Beuth
Polyethylene (PE)
Description: Raw PE can be obtained in form of a milky white, partly crystalline powder by polymerisation of ethylene (high-pressure, mid-pressure and normal-pressure method). It
ASTM F1194-99(2005)
Title: Standard Guide for Documenting the Results of Chemical Permeation Testing of Materials Used in Protective Clothing Category: Protective Clothing Please note: Complete standard sheets
Diffusion
Description: Diffusion is the mechanism causing microscopic particles from fluids or gases to spread out freely and evenly within a given volume or through (semi-)permeable
E-85 Fuel
Description: Testing fuel for determining permeation and resistance properties in general. Composition: 79 – 86 vol% Ethanol Depending on amount of ethanol: 14-21 vol% Hydrocarbon
DIN EN 13625:2002-03
Title: Non-destructive testing – Leak test – Guide to the selection of instrumentation for the measurement of gas leakage; German version EN 13625:2001 Category: Leak
DIN EN 16523-1
Title: Determination of material resistance to permeation by chemicals – Part 1: Permeation by liquid chemical under conditions of continuous contact Category: Building Materials and
ISO 15106-3
Title: Plastics – Film and sheeting – Determination of water vapour transmission rate – Part 3: Electrolytic detection sensor method Category: Plastic Film and Packaging
Poly-Phenylene-Oxide (PPO)
Description: PPOs are a family of amorphous, intransparent, light-grey-colored thermoplastics. They feature an outstanding stability at high temperatures and therefore can be applied within a
Ethylene-Vinyl-Alcohol-Copolymer (EVOH)
Description: Produced by hydrolysing ethylene-vinyl-acetate polymers. EVOH features good barrier qualities, mechanical stability, elasticity, brightness, transparence and resistance to weather and abrasion. Usage: Packagings and
DIN EN 14126:2004-01
Title: Protective clothing – Performance requirements and test methods for protective clothing against infective agents; German version EN 14126:2003 Please note: Has been revised: DIN
Carboxylated-Nitrile-Butadiene-Rubber (XNBR)
Description: Produced by adding a carboxylic acid group to a nitrile-rubber, this material contains more cross-linking points than the common NBR. The result is a
Fluororubber (FPM)
Description: FPM is an elastomer based on fluoro-rubber. FPM is characterised by his resistance to heat, chemicals, atmospheric exposure and ozone. FPM is resistant in
Permeation tubes
Description: Permeation tubes are small, inert tubes containing a chemical compund in its pure form. The chemical is in a two phase equilibrium (either between
Facilitated Diffusion
Description: The process called facilitated diffusion takes place when a substance passes through a membrane being conveyed to the other side by a so-called carrier.
Ethylene-Propylene-(Diene-)Rubber (EPM and EPDM; EPM = copolymer; EPDM = terpolymer)
Description: Application temperatures up to ca. +130°C, resistant to water, steam and weather.EPDM can be vulcanised with sulfur; EPM can be cross-linked using peroxides. Usage:
DIN 4815-1:2009-06
Title: Rubber and plastics hoses for liquefied petroleum gas – Part 1: Hoses and tubings Category: Hoses Please note: Complete standard sheets are made available
Acidic Acrylic-acid-ionomers of ethylene
Description: Containing a quite small number of ionised acid groups, these ionomers are characterised by good flexibility and impact strength within a wide range of
Carbon dioxide permeability (manometric) according to ISO 15105
Description: Testing method for determining carbon dioxide transmission rate through flat plastic materials like films, sheetings, laminates, co-extruded or coated materials under a differential pressure.
Methane permeability (volumetric) according to DIN 53380-1 / DIN 53380-V
Description: Testing method for the determination of methane transmission rate through plastic films. Result Unit: Gas permeability in cm3/(m2*d*bar); Permeability coefficient (based on the thickness)
Acrylic-nitrile-Methyl-Acrylate-copolymers (AMA)
Description: Transparent, modiefied Nitrile with excellent chemical stability, high gas barrier and high resistance module. The permeabiliy of AMA is independendent of the presence or
Permeation rate
Description: Permeation rate is a measurement for the amount of substance (permeate) permeating through a solid within a certain time. The rate indicates the amount
Vinylidenefluoride-Hexafluoropropylene-Fluorocopolymer (VDF/HFP)
Description: Odourless, transparent and thermoplastic fluorocopolymer consisting of vinylidenefluoride and hexafluoropropylene. Usage: envelope for fibre-glass circuit envelope for cupper cables Formula: Category:Thermoplastic
Consulting & Simulation
In addition to our laboratory and engineering services, we offer consulting services in permeation, material and application development, quality assurance and material screening. You can
ISO 3591:1977-06
Title: Sensory analysis; Apparatus; Wine-tasting glass Category: Sensory Analysis Please note: Complete standard sheets are made available by Beuth Verlag.
DIN EN 388
Title: Protective gloves against mechanical risks Category: Protective Clothing Please note: Complete standard sheets are made available by Beuth Verlag.
Acrylic-nitrile-Butadiene-Rubber (Buna-N) (NBR)
Description: Copolymere consisting of butadiene and acrylic nitrile. Good resistance to hydrocarbons out of mineral oil or fuels. There are different product qualities, depending on
Chemistry
Description: Chemistry means the science dealing with the structure and the behaviour of matter as well as with the according principles. Category:Definition
Advanced Polymer Processing Operations
Author: Nicholas P. Cheremisinoff Category: Plastics Processing Language: en Copyright: 1998 Specifications: Pages: 287 6 x 9, Hardcover ISBN: 0-8155-1426-3 Content: This volume covers advanced
Determination of resistance of protective clothing materials to permeation by liquids and gases (Protection against chemicals) according to EN ISO 6529
Description: This method is suitable for determining resistance of protective clothings to permeation of chemicals with continuous or discontinuous contact and for determining the time
Polymer
Description: A polymer is a chemical compund that consists of molecule chains (macromolecules). The process of formation of the chains, i. e. the linking of
Hydrochloric acid permeability according to in-house method
For further information please contact us.
ASTM F372-99
Title: Standard Test Method for Water Vapor Transmission Rate of Flexible Barrier Materials Using an Infrared Detection Technique Category: Barrier Materials Related standards: DIN 53380-4,
Composite
Description: Composites are materials consisting of several other materials, whereby all technical relevant properties are enhanced during the synthesis. Compounds for composites are mainly polymers,
ISO 14268:2002-12
Title: Leather – Physical and mechanical tests – Determination of water vapour permeability Category: Leather Please note: Complete standard sheets are made available by Beuth
Methane permeability (manometric) according to ISO 15105
Description: Testing method for determining methane transmission rate through flat plastic materials like films, sheetings, laminates, co-extruded or coated materials under a differential pressure. Result
Water vapor permeability WVTR according to ISO 15106-1
Please contact us for further information.
Technologiereport
The technology report “Removal of carbon dioxide from carbon dioxide hydrogen mixtures with amine functionalized polymer membranes and the examination of transport and reaction processes
ISO 13302:2003-08
Title: Sensory analysis – Methods for assessing modifications to the flavours of foodstuffs due to packaging Category: Sensory Analysis Please note: Complete standard sheets are
DIN 10967-2:2000-10
Title: Sensory analysis – Investigation of profiles – Part 2: Consensus profile Category: Sensory Analysis Please note: Complete standard sheets are made available by Beuth
Melamine-Formaldehyde (MF)
Descpription: Also called melamine resin; temperable condensation product of melamine and formaldehyde; colourless and transparent. MF features high surface hardness, abrasion-resistance and resistance to fire,
ISO 15106-2
Title: Plastics; Film and sheeting – Determination of water vapour transmission rate – Part 2: Infrared detection sensor method Category: Plastics Related standards: DIN 53380-4,
ISO 6145-10:2002-02
Title: Gas analysis – Preparation of calibration gas mixtures using dynamic volumetric methods – Part 10: Permeation method Category: Preparation of Calibration Gas Please note:
Epoxy Resins (EP)
Description: These polyethers containing cross-linkable glycidyl groups are usually produced by polimerisation of Bisphenol A and epichlorohydrin or reacting phenolic novolak with epichlorohydrin. Usage: Protective
DIN EN 993-4
Title: Methods of test for dense shaped refractory products – Part 4: Determination of permeability to gases Category: Building Materials and Products Please note: Complete
DIN EN 943-2:2002-04
Title: Protective clothing against liquid and gaseous chemicals, including liquid aerosols and solid particles – Part 2: Performance requirements for gas-tight (Type 1) chemical protective
(general) Acrylate-rubber (ACM)
Description: features an excellent resistance to heat and hot oil. ACM ist also resistant to heay oils (sulfuric, amine or saponifying cross-linking). Covers a range
Solvent
Description: Solvents are fluids that are able to contain gases, solids, and other fluids without undergoing chemical reactions. Category:Definition
DIN 53122-2
Title: Determination of water vapour transmission (density of moisture flow rate) of plastic films, elastomer films, paper, board and other sheet materials – Electrolysis method
Test sample manifacture – Sample preparation for permeation measurement
Process From materials for which there are no test plates or films for permeation measurement, Mecadi makes the test samples itself. Examples: adhesives, castables.
ISO 2782-2
Title: Rubber, vulcanized or thermoplastic – Determination of permeability to gases – Part 2: Equal-pressure method Category: Elastomer Related standards: ISO 15105-2 Please note: Complete
Chlorine permeability according to in-house method
Please contact us for further information.
ISO 11058
Title: Geotextiles and geotextile-related products — Determination of water permeability characteristics normal to the plane, without load Category: Textiles Please note: Complete standard sheets are
ISO 12572:2001-06
Title: Hygrothermal performance of building materials and products – Determination of water vapour transmission propertiest Category: Building Materials and Products Please note: Complete standard sheets
Oxygen permeability OTR according to ASTM 3985
Description: Standard test method for oxygen gas transmission rate through plastic film and sheeting using a Coulometric Sensor. Result unit:Oxygen transmission rate (O2GTR) mol/(m2*s), oxygen
DIN EN 13034:2009-08
Title: Protective clothing against liquid chemicals – Performance requirements for chemical protective clothing offering limited protective performance against liquid chemicals (Type 6 and Type PB
DIN EN 12087:2007-06
Title: Thermal insulating products for building applications – Determination of long term water absorption by immersion; German version EN 12087:1997 + A1:2006 Category: Thermal Insulating
DIN 10955:2004-06
Title: Sensory analysis – Testing of packaging materials and packages for foodstuffs Category: Sensory Analysis Please note: Complete standard sheets are made available by Beuth
DIN EN ISO 6179
Title: Rubber, vulcanized or thermoplastic – Rubber sheets and rubber-coated fabrics – Determination of transmission rate of volatile liquids (gravimetric technique) (ISO 6179:1998); German version
Sodium chloride permeability according to in-house method
Please contact us for further information.
Hydrogen sulfide permeability according to in-house method
Please contact us for further information.
ASTM F2622-8
Title: Standard Test Method for Oxygen Gas Transmission Rate Through Plastic Film and Sheeting Using Various Sensors Category: Plastics Please note: Complete standard sheets are
DIN EN ISO 15106-2:2005-05
Title: Plastics – Film and sheeting – Determination of water vapour transmission rate – Part 2: Infrared detection sensor method (ISO 15106-2:2003); German version EN
DIN EN ISO 6529:2003-01
Title: Protective clothing – Protection against chemicals – Determination of resistance of protective clothing materials to permeation by liquids and gases (ISO 6529:2001); German version
DIN EN 13469:2001-12
Title: Thermal insulating products for building equipment and industrial installations – Determination of water vapour transmission properties of preformed pipe insulation; German version EN 13469:2001
DIN EN 14786
Title: Protective clothing – Determination of resistance to penetration by sprayed liquid chemicals, emulsions and dispersions – Atomizer test Category: Protective Clothing Please note: Complete
Ammonia permeability according to in-house method
Please contact us for further information.
ASTM F1307-02
Title: Standard Test Method for Oxygen Transmission Rate through dry Packages; Using a Coulometric Sensor Category: Plastic Film and Packaging Related standards: ASTM D3985-05, ASTM
NF X20-209:1979-12-01
Title: Preparation of calibration gas mixtures. Permeation method. Category: Preparation of Calibration Gas Please note: Complete standard sheets are made available by Beuth Verlag.
ISO 1663:2007-05
Title: Rigid cellular plastics – Determination of water vapour transmission properties Category: Cellular Plastics Please note: Complete standard sheets are made available by Beuth Verlag.
Barrier Coating
Description: Coating that prevents a substance from permeating through a such protected surface. Materials whose permeability is low in genereal are preferred, e.g. aluminium. In
Perflourated-dimethyl-dioxole/Tetraflourinated-ethylen-Copolymer (PDD/TFE)
Description: Thermoplastic of milky white color that feels like wax. Because of its special properties, this material has a unique position compared to other thermoplastics.
Terms of use
Permission to use the information on the Mecadi sites. The use of published information is allowed with the reservation that complete copies are provided through
Pouch Method
Description: Technique for permeation rate measurement of a fluid through a film-like polymer. The material of which the permeation rate has to be determined is
TF 1
Description: Testing fuel for determining permeation and resistance properties in general. Composition: 10 vol% Ethanol 90 vol% Fuel C Category:Testing Fuel
Do you need help or further information?
Dr. Andreas Konrad