Mecadi
Epichlorohydrin-Rubber (CO and ECO; CO = homopolymer; ECO = copolymer)
Description: Amine-cross-linking, thermal resistance up to +135°C, CO is only flexible at low temperatures down to -15°C, little swelling in oil and benzine, resistant to
DIN 18556:1985-01
Title: Testing of coating material for synthetic resin plasters and of synthetic resin plasters Category: Paints & Coatings Please note: Complete standard sheets are made
ASTM D5886-95(2001)
Title: Standard Guide for Selection of Test Methods to Determine Rate of Fluid Permeation Through Geomembranes for Specific Applications Category:Geomembranes and Geotextiles Please note: Complete
Carbon dioxide permeability according to in-house method
Please contact us for further information.
Mechanical Alloying for Fabrication of Advanced Engineering Materials
Author: M. Sherif El-Eskandarany Category: Materials EngineeringAudience: Metallurgists, materials scientists and engineers, process and production engineers, industrial and academic libraries Table of content (PDF) Language:
Polyester (general)
Description: A general characterisation is impractical because of the wide range of possible modifications. The production of polyesters is done by linking the monomers via
Composite Hose
Description: A hose consisting of several material layers. The material combination provides optimisation of permeation properties (resp. density) and chemical resistance. Usage: Protective hoses (for
DIN EN 13515:2002-03
Title: Footwear – Test methods for uppers and lining – Water vapour permeability and absorption; German version EN 13515:2001 Category: Footwear Please note: Complete standard
Helium permeability according to in-house method
Please contact us for further information.
DIN EN 374-1:2003-12
Title: Protective gloves against chemicals and micro-organisms – Part 1: Terminology and performance requirements; German version EN 374-1:2003 Please note: q. v. draft standard DIN
Measurement Unit Permeation Film (Steel) Mecadi
Characteristics: Available ISO/ ASTM /DIn conform or according customer specification. For liquids and gases. Material selection dependent from media and applied conditions. Sealings, fittings as
Gas seperation
Description: Basically, there are two methods usable for seperating gases: separation by membranes (view also: permeability) using membrane contractors whereas the membran itself takes no
TAPPI T448 OM-09
Title: Water vapor transmission rate of paper and paperboard at 23°C and 50% RH Category: Paper and Board Please note: Complete standard sheets are made
Isoprene-Rubber (polyisoprene IR)
Description: Being a sythetic natural rubber, IR is very similar to NR but can be produced more evenly and purely. Usage: IR is mostly blended
Tetrafluoroethylene-Hexafluoropropylene-Copolymer (FEP)
Description: Since 1988 FEP is the abbreviate form for coplymers consisting of tetrafluoroethylene (TFE) and hexafluoropropylene (HFP). FEP is a thermoplastic copolymer, which is characterized
Diffusion coefficient
Description: The diffusion coefficient characterises the thermal migration of molecules within a certain material.SI-Unit (m2/s). Category:Definition
ASTM F2207-06
Title: Standard Specification for Cured-in-Place Pipe Lining System for Rehabilitation of Metallic Gas Pipe Category: Paints & Coatings Please note: Complete standard sheets are made
Polyvinylfluoride (PVF)
Description: Polyvinylfluoride (PVF) is a fluorine-containing polymer. PVF is a thermoplastic and belongs to the fluorine synthetic class of polymers. By polymerizationreaction the vinylfluoirde molecules
ASTM F2476-05
Title: Testing of plastics – Determination of gas transmission rate – Part 5: Optical method for plastic films and plastic moulded parts Category: Barrier Materials
ISO 8587:2006-11
Title: Sensory analysis – Methodology – Ranking Category: Sensory Analysis Please note: Complete standard sheets are made available by Beuth Verlag.
Poly-Vinylacetate
Description: Amorphous, flavourless and odourless plastic which is obtained by radical polimerisation or, on a large scale, by emulsifying polymerisation of acidic acid vinyl ester.
ISO 6179:1998-04
Title: Rubber, vulcanized or thermoplastic — Rubber sheets and rubber-coated fabrics — Determination of transmission rate of volatile liquids (gravimetric technique) Category: Elastomer Please note:
DIN EN 14605:2009-08
Title: Protective clothing against liquid chemicals – Performance requirements for clothing with liquid-tight (Type 3) or spray-tight (Type 4) connections, including items providing protection to
Bromine-butyl-Rubber (BIIR)
Description: Linear-structured, gel-free copolymer resin made from Isobutylene and quite small amounts of Isoprene. Usage: Used in tire industry, for heat-resistant tubes an in rubber-processing
TF 3
Description: Testing fuel for determining permeation and resistance properties in general. Composition: 10 vol% Methyl-tert-butylether (MTBE) 90 vol% Fuel C Category:Testing Fuel
DIN 55431-4:1990-05
Title: Packages; tins; composite can, round, cylindric; Examination on impermeability opposite liquid filling materials Please note: Withdrawn standard Category: Packaging Please note: Complete standard sheets
Air permeability according to in-house method
Please contact us for further information.
Hygroscopic
Descpription: The word “hygroscopic” is a technical term used in chemistry and physics. Hygroscopic materials are water-attracting substances. Those substances show the tendency to bind
Jet Fuel RF
Description: Also called “AMS 2629 Type I”. Testing fuel for determining permeation and resistance properties in general. Composition: 31% (by weight) Toluene 34% (by weight)
Polypropylene (PP)
Description: This polymer made of propylene has a structure similar to the one of PE but each second carbon atom of the backbone is linked
DIN EN ISO 4022:2006-06
Title: Permeable sintered metal materials – Determination of fluid permeability (ISO 4022:1987); German version EN ISO 4022:2006 Category: Sintered Metals Please note: Complete standard sheets
DIN 10972:2003-08
Title: Sensory testing method – “A” – “not A” testing Category: Sensory Analysis Please note: Complete standard sheets are made available by Beuth Verlag.
Parylene
Description: Produced by vapor-phase-polymerisation of p-xylene. The main component is Parylene-N (poly-p-xylylene), a highly criystalline material with a linear structure. Usage: Encapsulating of electronic and
DIN EN 420:2003-12
Title: Protective gloves – General requirements and test methods; German version EN 420:2003 Please note: q. v. draft standard DIN EN 420/A1:2007-07 Category: Protective Clothing
Federal Standard No. 191, Method 5030.2
Title:Measurement of the Thickness of Materials Category: Measurement of Thickness Please note: Complete standard sheets are made available by Beuth Verlag.
DIN EN ISO 17491-3:2008-12
Title: Protective clothing – Test methods for clothing providing protection against chemicals – Part 3: Determination of resistance to penetration by a jet of liquid
Methane permeability according to in-house method
Please contact us for further information.
Permeation and Quality Control
Quality means for Mecadi: to deliver reliable results. Mecadi is working for customers coming from various kinds of industries. Projects come from different departments like
Polychlorinated Terphenylenes (PCT)
Descpription: Transparent, amporphous copolyester (synthetic resin) composed of cyclohexylene-dimethyldiole and therephthalic acid featureing a very good resistance to high tempertures. Usage: Bags Formula: Category:Thermoplastic
Gas permeability (infrared absorption method) according to DIN 53380-4 / DIN 53380-I
Description: Testing method for determining carbon dioxide transmission rate of plastic films and hollow parts (other testing media and sample materials on request). Result Unit:
ISO 13994:2005-10
Title: Clothing for protection against liquid chemicals – Determination of the resistance of protective clothing materials to penetration by liquids under pressure Please note: Has
ASTM D3609-00(2005)
Title: Standard Practice for Calibration Techniques Using Permeation Tubes Category: Preparation of Calibration Gas Please note: Complete standard sheets are made available by Beuth Verlag.
DIN EN ISO 15106-3:2005-05
Title: Plastics – Film and sheeting – Determination of water vapour transmission rate – Part 3: Electrolytic detection sensor method (ISO 15106-3:2003); German version EN
Privacy policy
Privacy Policy We are very delighted that you have shown interest in our enterprise. Data protection is of a particularly high priority for the management
DIN EN ISO 15496:2004-09
Title: Textiles – Measurement of water vapour permeability of textiles for the purpose of quality control (ISO 15496:2004); German version EN ISO 15496:2004 Please note:
DIN
Description: DIN = German Institute for Standardization (registered association) German institute, responsible for standardisation and developing German Standards. It represents German interests at international and
Disposables
Disposable integrity testing Content in German only! Please contact us for information in English. Vortrag Seminar Scale Up und Disposable Aspekte im Biomanufacturing 16. Oktober
Styrene-Butadiene-Copolymer (SB)
Description: SB (SBR = styrene-butadiene-rubber) consists of Butadiene and more than 50% Styrene. They feature good transparency and resilience and can be easily processed. Usage:
DIN EN 927-5:2007-03
Title: Paints and varnishes – Coating materials and coating systems for exterior wood – Part 5: Assessment of the liquid water permeability; German version EN
Polyesterurethane (AU)
Description: AU is a high-molecular organic material the structure of which is marked by a high number of Urethane-groups. Within defined ranges of temperature, Polyurethane
ISO 21129:2007-07
Title: Hygrothermal performance of building materials and products – Determination of water-vapour transmission properties – Box method Category: Building Materials and Products Please note: Complete
DIN 10455:1989-04
Title: Sensory analysis of butter Category: Sensory Analysis Please note: Complete standard sheets are made available by Beuth Verlag.
Polyimide (PI)
Description: Normally inmeltable, often amber-colored and highly temperature-resistant high-performance polymer consisting mainly of aromatic molecules. Polyimides feature excellent high-temperature properties as well as an extraordinary
Hydrogen permeability according to in-house method
Please contact us for further information.
Bisphenol A
Description: Industrial chemical, frequently used source material vor synthesis; white to light brown flakes or powder Usage: Important source material for a variety
Contacts
Below you will find an overview of our contacts. Andreas Konrad Managing Director Your contact for all general inquiries. Francesco Arena Head of
Ethylene-Chlorotrifluoroethylene-Fluorocopolymer (ECTFE)
Description: ECTFE is a fluorinecopolymer, which consists of ethylene and chlorotrifluoroethylene (CTFE). This partially fluorinated, semi-crystalline fluorinecopolymer offers a unique combination between mechanical properties, chemical
DIN 51935
Title: Testing of carbon materials; determination of the coefficient of permeability by means of the vacuum-decay method with air as experimental gas; solid matters Category:Carbon
Ethylene-Tetrafluoroethylene-Hexafluoropropylene-Fluoroterpolymer (EFEP)
Description: EFEP is a transparent terpolymer, which is consisting of ethylene, tetrafluoroethylene (TFE) and hexafluoropropylene (HFP). Due to his resistance to atmospheric corrosion and his
Gas permeability (volumetric) according to DIN 53380-1 / DIN 53380-V
Description: Universal testing method applicable to nearly all gases for the determination of gas transmission rate through plastic films depending on temperature and testing gas.
Polyamide-Imide (PAI)
Description: PAIs are amorphous high-performance polymers with linear structured, mainly aromatic molecules and a high heat resistance. They feature good high-temperature-properties as well as a
Water vapor permeability WVTR according to ISO 15106-4
Please contact us for further information.
ISO 6529:2001-10
Title: Protective clothing — Protection against chemicals — Determination of resistance of protective clothing materials to permeation by liquids and gases Category: Protective Clothing Please
DIN EN 13185:2001-07
Title: Non-destructive testing – Leak testing – Tracer gas method; German version EN 13185:2001 Please note:Appendix ZA deleted without replacement Category: Leak Testing Please note:
DIN 53380-4
Title: Testing of plastics – Determination of gas transmission rate – Part 4: Carbon dioxide specific infrared absorption method for testing of plastic films and
ASTM D6701-01
Title: Standard Test Method for Determining Water Vapor Transmission Rates through nonwoven and Plastic Barriers Please note: Withdrawn standard, no replacement Category: Plastic Film and
Determination of thickness (plastic films) according to DIN 53370
Description: Determination of thickness by mechanical gauging. Result Unit: Millimeter (mm) or micrometer (µm) (Related) Standards: DIN 53370 Test method: According to the norm, the
Fuel Cell Technology
Description: Fuel cell technology is concerned with developing fuel cells for efficient production of energy. Compared to other energy sources, fuel cells have a very
Polyketone (PK)
Description: Aliphatic polymers composed of carbon monoxide, ethylene and minor amounts of other aliphatic olefines. This unique new family of semi-crystalline polymers features many properties
Polyetherimide (PEI)
Description: Amorphous, transparent, amber-colored high-performance thermoplatic with a cyclic structure, containing aromatic diethers, dianhydrides and aromatic diamines. Compared to PEEK, it is less temperature-resistant and
Permeation devices and supplies
Mecadi GmbH ist not only a competent partner in the service field, we also offer products in the permeation field, like for example the building
Natural Rubber (NR)
Description: Natural product extracted from hevea brasiliensis; the cultivation is done on plantations in Malaysia, Indonesia, Kenia and Brasil. The extraction process includes the drawing
Styrene-Butadiene-Block-Copolymer (SBS)
Descpription: SBS are produced by anionic polymerisation whereat each block is built up by gradual addition of the monomers. Main properties of SBS are good
ISO 15106-1
Title: Plastics; Film and sheeting – Determination of water vapour transmission rate – Part 1: Humidity detection sensor method Category: Plastics Related standards: DIN EN
ISO 17081:2004-11
Title: Method of measurement of hydrogen permeation and determination of hydrogen uptake and transport in metals by an electrochemical technique Category: Hydrogen Permeation Please note:
DIN 73379-2:1997-11
Title: Fuel hoses – Part 2: Requirements and tests Please note: q. v. draft standard DIN 73379-2:2006-06 (proposed withdrawal without replacement 2009-10) Category: Hoses Please
Ethylene–Tetrafluoroethylene-Fluorocopolymer (ETFE)
Description: E/TFE is a semi-crystalline, transparent and thermoplastic fluorinecopolymer, which is characterised by resistance to chemicals, good mechanical properties and good resistance to atmospheric corrosion.
DIN EN ISO 14268:2003-10
Title: Leather – Physical and mechanical tests – Determination of water vapour permeability (ISO 14268:2002); German version EN ISO 14268:2002 Category: Leather Please note: Complete
ASTM F1383-07
Title: Standard Test Method for Permeation of Liquids and Gases through Protective Clothing Materials under Conditions of Intermittent Contact Category: Protective Clothing Please note: Complete
DIN 55533:2005-05
Title: Packaging testing – Integral test method for packagings made of films or foils for leakage using a flexible test chamber with tracer gas Category:
Multilayer film
Description: Multi-layer-foils are thermoplastic plaxtic films composed of two or more combined, different or similar, layers. The layers are put together e.g. by coextrusion or
DIN EN ISO 12572:2001-09
Title: Hygrothermal performance of building materials and products – Determination of water vapour transmission properties (ISO 12572:2001); German version EN ISO 12572:2001 Category: Building Materials
ISO 17455
Title: Plastics piping systems – Multilayer pipes – Determination of the oxygen permeability of the barrier pipe Category: Plastics Related standards: ASTM F1307-02, ASTM D3985-05,
ISO 9073-15
Title: Textiles – Test methods for nonwovens – Part 15: Determination of air permeability Category: Textiles Related standards: ISO 9237, ISO 7231, ISO 8272, ISO
Polymer-Blend
Description: A polymer blend is a mixture of two or more polymeres. The polymers are mixtured in order to optimise the polymer properties such as
ISO 2896:2001-07
Title: Rigid cellular plastics — Determination of water absorption Category: Cellular Plastics Please note: Complete standard sheets are made available by Beuth Verlag.
Gas permeation (manometric method) according to ISO 15105
Description: Universal testing method applicable to nearly all gases for determining gas transmission rate through flat plastic materials like films, sheetings, laminates, co-extruded or coated
ISO 4638
Title: Polymeric materials, cellular flexible — Determination of air flow permeability Category: Cellular Plastics Related standards: ISO 9237, ISO 7231, ISO 8272, ISO 6613, ISO 9073-15,
ISO 8272
Title: Doorsets – Air permeability test Category: Building Materials and Products Related standards: ISO 9237, ISO 7231, ISO 6613, ISO 4638, ISO 9073-15, DIN 51935
ASTM D2842-06
Title: Standard Test Method for Water Absorption of Rigid Cellular Plastics Category: Cellular Plastics Please note: Complete standard sheets are made available by Beuth Verlag.
Silicone (SI)
Description: SIs are very resistant to chemical substances and UV-radiation as well as highly permeable for gases. Their natural colour includes shades of white and
ASTM E398 – 03(2009)e1
Title: Standard Test Method for Water Vapor Transmission Rate of Sheet Materials; Using Dynamic Relative Humidity Measurement Category: Plastic Film and Packaging Please note: Complete
Do you need help or further information?
Dr. Andreas Konrad