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SANMODUR SX-5 is tooling material (chemical board) for models & molds in various processes. It has light weight, smooth surface and excellent machinability and applicable to mock-ups, styling models etc.

Functions: Core Material

Core Type: Polyurethane Foam

Technical Data Sheet
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Knowde Enhanced TDS

Identification & Functionality

Composite Materials Functions

Features & Benefits

Features
  • Light weight, smooth surface, excellent machinability and antistatic property
  • Painting processes can be simplified.
  • Applicable to design models, styling models etc.
Features and Major Physical Properties SANMODUR LC - M
  • *1 - The board was cut using an NC machine. The Surface roughness of the cut section was measured through the use of non-contact three-dimensional surface roughness tester. The surface roughness is the average absolute value of irregularities; and the lower the value, the smoother the surface is.
  • *2 - The milling resistance during cutting through the use of an NC machine driven with 4-component dynamometer under the following conditions was measured: Edge: throw-away tip of carbide tool with a diameter of 10mm (0.4in), Revolution rate; 10,000 rpm, Feed speed: 2,000 mm/min (6.56 ft/min), Cut depth: 3mm (0.12in).
  • *3 - The board was cut continuously for 10m (32.8ft) using an NC machine under the following conditions; Edge: normal cutting edge of high-speed steel with a diameter of 10 mm (0.4in), Revolution rate: 10,000 rpm, Feed speed: 100mm/min (0.33 ft/min), pitch: 1mm (0.04in), Cut depth: 3mm (0.12in) The degree of abrasion of the cutter edge after cutting was visually evaluated with a stereomicroscope (magnification: 50)

Applications & Uses

Plastics & Elastomers End Uses

Properties

Physical Form
Physical Properties
ValueUnitsTest Method / Conditions
Abrasion of Cutter Edge0.04(0.9)in (mm)
Hardness31Shore DASTM D2240
Coefficient of Linear Thermal Expansion90x10^-6(50x10^-6)°F/(°C)TMA
Deflection Temperature Under Load140(60)°F(°C)
Density17 (270)lb/ft3 (kg/m3)
Flexural Strength134x10*3(6.4)lbf/ft2 (MPa)ASTM D790
Impact Strength110(1.6)lbf/ft2 (kJ/m2)ASTM D256
Milling Resistance4.7(21)lbf (N)*2
Surface Roughness49x10^-6 (15)ft (μm)*1
Size and Packing

The following table shows the size and number of boards per case. 

Size Approx.[in] Size
[mm]
Number of Boards
per Case
59×20×2 1500×500×50 2