TECNOTHANE® SWP 4000 N

TECNOTHANE® SWP 4000 N is an MDI-based polyurethane with a polycarbonate backbone, designed to offer enhanced durability and performance for a variety of industrial applications.

Polymer Name: Polyurethane (MDI-based)

End Uses: Belts, Gaskets, Heavy Duty Rollers, Industrial Parts, Robotics, Rollers, Seals, Wheels

  • TypeDocument Name
View All Documents

Enhanced TDS

Identification & Functionality

Blend
No
Chemical Family
Polymer Name
Single Ingredient
Yes
Technologies
Product Families

Features & Benefits

Applications & Uses

Plastics & Elastomers End Uses
Markets
Applications
Application Information

SWP- series has been developed for performing in demanding and harsh environment, requiring a non- conventional combination of excellent mechanical properties and a very good resistance to hydrolysis, synthetic oils and gasoline, acid and basic environment, high temperature and UV light exposure. It fits best in static or continuous dynamic application requiring long-lasting material, such as heavy industry rollers, seals, belts and high performance engineering and robotics.

Properties

Physical Form

Regulatory & Compliance

Chemical Inventories

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) 63±2 70±2 75±2 80±2 85±2 90±2 92±2 95±2 97±2
Hardness (ShD) / / / 32±2 37±2 40±2 45±2 50±2 55±2
ISO 2781  
Density (g/cm3) 1.13 1.13 1.13 1.13 1.13 1.13 1.13 1.13 1.13
ISO 37 (Tensile)  
Modulus 50% (N/mm2) 1 2 3 4 4 7 9 12 14
Modulus 100% (N/mm2) 2 3 4 5 7 10 13 16 19
Modulus 300% (N/mm2) 15 21 25 30 38 42 44 45 /
Tensile strength (N/mm2) 27 33 37 42 48 50 47 45 44
Elongation (%) 420 400 400 375 350 330 330 300 275
ISO 34-1 (Tear strength)  
DIE B/a (kN/m), 90° without nick 30 41 45 56 68 75 79 83 101
DIE B/b (kN/m), 90° with nick 22 27 29 32 39 52 55 60 78
DIE C (kN/m), crescent with nick 33 42 48 55 66 81 92 105 113
ISO 4662  
Rebound resilience (%) 42 40 38 35 35 30 27 / /
ISO 815  
Compression set at 70ºC / 23h (%) 15 18 20 23 25 30 30 35 35
ISO 4649  
Abrasion resistance (mg) 30 25 25 27 30 35 38 40 45
Casting Information
Hardness (ShA) SWP4000N RSW906K3N RSW997K3N Catalyst (%) Molds T (°C) Pot life (sec) Demolding (min)
63 100.00 151.00 0.00 * 70-90 360-420 90-120
70 100.00 114.10 3.00 * 80-95 330-370 70-110
75 100.00 92.10 4.80 * 80-95 310-360 60-110
80 100.00 70.90 6.60 * 90-105 300-330 45-100
85 100.00 61.10 7.40 * 90-110 270-300 45-90
90 100.00 39.10 9.20 * 95-110 230-270 35-70
92 100.00 25.20 10.40 * 100-110 210-240 30-50
95 100.00 13.70 11.40 * 105-120 190-220 25-45
97 100.00 0.00 12.50 * 105-120 180-200 25-45

The amount of main components is given on parts by weight.
*Pot life and demolding time are referred to the system without catalyst, Tecnokat D5 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 63 to 74 70 16
From 75 to 92 90 16
Higher than 93 110 16

For hardness above 93 ShA the best performance is obtained through 2 annealing steps. In this sense it is recommended to let the material cool down to room temperature in between the 2 post curing processes.

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) 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

Appearance (SDS)
Liquid
Color (SDS)
White
Physical Properties
ValueUnitsTest Method / Conditions
Viscosity11100.0-2200.0 mPa.smPa.s