TECNOTHANE® MPT 7516

TECNOTHANE® MPT 7516 is an MDI-based polyurethane with a polyether backbone.

Polymer Name: Polyurethane (MDI-based)

End Uses: Industrial Parts, Marine Applications, Offshore Applications, Structural Parts

Technical Data Sheet
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Enhanced TDS

Identification & Functionality

Blend
No
Chemical Family
Polyurethanes (PU)
Polymer Name
Polyurethane (MDI-based)
Single Ingredient
Yes
Technologies
Plastics
Product Families
Plastics — Thermoset Resins
Polyurethanes

Features & Benefits

Materials Features
Fast Demold,
Long Potlife

Applications & Uses

Plastics & Elastomers End Uses
Industrial Parts,
Marine Applications,
Offshore Applications,
Structural Parts
Application Information

Tecnothane® MPT7516 is an all-purpose system designed to give an outstanding combination of pot lives and demolding time; allowing unique performances in terms of processing conditions for an MDI-based system.

Technical Details & Test Data

Typical Properties
ISO 7619-1  
Hardness (ShA) 60±2 65±2 70±2 75±2 80±2 85±2 90±2 95±2 98±2 / /
Hardness (ShD) / / / / / / / 50±2 55±2 60±2 70±2
ISO 2781  
Density (g/cm³) 1.12 1.12 1.12 1.12 1.12 1.12 1.12 1.12 1.12 1.12 1.12
ISO 37 (Tensile)  
Modulus 50% (N/mm²) 1 1 2 2 3 5 3 5 7 12 20  
Modulus 100% (N/mm²) 2 2 3 4 6 7 9 10 15 22 29
Modulus 300% (N/mm²) 4 5 7 9 11 15 20 27 33 37 40
Tensile strength (N/mm²) 18 22 25 30 33 37 40 45 48 45 45
Elongation (%) 700 650 600 570 550 530 500 450 400 350 350
ISO 34-1 (Tear strength)  
DIE B/a (kN/m), 90° without nick 25 38 45 51 60 74 83 90 133 145 177
DIE B/b (kN/m), 90° with nick 11 12 12 25 28 31 35 40 90 125 153
DIE C (kN/m), crescent with nick 18 23 25 45 48 52 65 75 140 191 215
ISO 4662
Rebound resilience (%) 73 73 70 70 68 65 60 57 / / /
ISO 815
Compression set at 70°C 23h (%) 18 18 20 20 24 28 28 30 / / /
ISO 4649  
Abrasion resistance (mg) 70 67 55 47 37 35 40 40 45 45 46
Casting Information
Hardness (ShD) MPT 7516 RH7001 RT458 Catalyst (%) * Molds T (°C) Approx. Pot life Demolding (min)
60 100.00 329.20 2.25 0.3-0.5 70-90 4'00'' 40
65 100.00 188.50 8.85 0.3-0.5 70-90 4'00'' 40
70 100.00 158.30 10.25 0.3-0.5 70-90 4'00'' 40
75 100.00 129.05 11.60 0.2-0.4 70-90 4'00'' 30
80 100.00 105.30 12.75 0.2-0.4 70-90 3'30'' 30
85 100.00 85.60 13.65 0.1-0.3 80-100 3'30'' 30
90 100.00 68.10 14.50 0.1-0.3 80-100 3'00'' 30
95 100.00 46.10 15.50 0.0-0.2 80-100 3'00'' 30
98 100.00 16.85 16.90 0.0-0.2 100-120 2'30'' 30
60 ShD 100.00 8.95 17.25 0.0-0.2 100-120 2'15'' 30
70 ShD 100.00 0.00 15.00 0.0-0.2 100-120 2'15'' 20-30

The amount of main components is given on parts by weight.
* Pot life and demolding time are referred to the system with above mentioned quantity of catalyst, Tecnokat D5 can be used to adjust pot life and demolding time.

Post Curing Information
Hardness (ShA) Temperature (°C) Time (hours)
From 65 to 74 70 16
From 75 to 92 90 16
Higher than 93 110 16

Packaging & Availability

Regional Availability
  • Global
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) 60
Pre-heating time (hours) 16
  • 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
ValueUnitsTest Method / Conditions
Viscosity1500.0-1500.0 mPa.smPa.s