Enhanced TDS
Identification & Functionality
- Blend
- No
- Chemical Family
- Polymer Name
- Single Ingredient
- Yes
- Technologies
- Product Families
Features & Benefits
Applications & Uses
- Plastics & Elastomers End Uses
- Plastics & Elastomers Processing Methods
- Application Information
Tecnothane® MDE540E has been specifically developed for hand casting. It has been designed for applications requiring high level of mechanical resistance with a good balance of dynamic properties. It fits well with many different applications, especially static ones. MDE540E has been developed for heavy-duty applications where abrasion resistance and excellent mechanical properties are crucial.
Technical Details & Test Data
- Typical Properties
The purpose of the following table is only to provide indicative data about material properties. Typical properties are referred to samples prepared according to internal conditions and measured thirty days after post curing.
ISO 7619-1 Hardness (ShA) 65±2 70±2 75±2 80±2 85±2 90±2 92±2 Hardness (ShD) / / / 30±2 33±2 40±2 43±2 ISO 2781 Density (g/cm³) 1.22 ISO 37 (Tensile) Modulus 50% (N/mm²) 1 2 2 3 4 5 6 Modulus 100% (N/mm²) 2 3 3 5 6 7 8 Modulus 300% (N/mm²) 5 6 8 10 13 15 16 Tensile strength (N/mm²) 32 33 35 38 42 45 50 Elongation (%) 600 580 570 560 550 540 540 ISO 34-1 (Tear strength) DIE B/a (kN/m), 90° without nick 39 43 48 57 68 83 90 DIE B/b (kN/m), 90° with nick 16 18 20 25 31 45 58 DIE C (kN/m), crescent with nick 36 38 42 50 63 74 82 ISO 4662 Rebound resilience (%) 55 55 52 45 38 36 34 ISO 815 Compression set at 70ºC / 23h (%) 17 17 18 20 27 27 30 ISO 4649 Abrasion resistance (mg) 55 50 48 47 47 51 52 - Casting Information
Hardness (ShA) MDE540E R500L RT143TL Catalyst (%) * Molds T (°C) Pot life (sec) Demolding (min) 65 100.0 87.6 5.7 0.6–0.8 70–80 270–360 60–120 70 100.0 70.9 6.6 0.6–0.8 70–80 240–300 40–90 75 100.0 55.4 7.4 0.5–0.7 80–90 120–180 40–90 80 100.0 38.0 8.2 0.3–0.5 80–90 120–180 30–90 85 100.0 24.9 9.0 0.3–0.5 90–100 90–150 20–40 90 100.0 9.1 9.8 0.2–0.4 90–100 90–150 20–40 92 100.0 0.0 10.2 0.1–0.2 90–100 90–150 20–40 The amount of main components is given on parts by weight.
*Pot life and demolding time are referred to the system with the suggested amounts of catalyst, Tecnoket D10 can be used to adjust pot life and demolding time.- Post Curing Information
Do not allow excessive cooling of molded parts between demolding and post-curing.
Hardness (ShA) Temperature (°C) Time (hours) From 65 to 74 70 16 Higher than 75 90 16
Packaging & Availability
- Regional Availability
- Packaging Information
- Materials are available in following packaging: 25, 50 or 200 kg
Storage & Handling
- Handling Information
- In order to allow complete melting, pre-heat materials at following conditions (melting times are referred to 200 kg drums,stored at 20°C)
Pre-heating temperature (°C) 75 Pre-heating time (hours) 24 - After pre-heating, make sure all materials are completely melted.
- Well mix melted material by drilling or rolling the drum
- Load materials to the machine immediately after mixing.
- Materials must be stored under nitrogen blanket after use.
Other
- Physical Properties
Value Units Test Method / Conditions Viscosity1 800.0-1450.0 mPa.s mPa.s