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WB-0801 Modeling Board

Polyurethane Board for Tools & Molds

Key Properties of WB-801 include:
  • Fine surface structure
  • High HDT and very low CTE
  • Good dimensional stability
  • Good compressive and flexural strength

Applications:

  • Master Models
  • Cubing Models
  • Tooling Jigs and Fixtures
  • Vacuum Forming Tools
  

HR-801-1.1-705x522

 

Resources:

Typical Properties

 
Color Gray
Density (ρ) 49.9 lb/ft3 [0.80 g/cm3]
Hardness 65 – 70 Shore D
Flexural Strength 5,100 – 5,800 psi [35 – 40 MPa]
Flexural Modulus 220,000 – 230,000 psi [1,500 – 1,600 MPa]
Compressive Strength 5,800 – 6,500 psi [40 – 45 MPa]
Coefficient of Thermal Expansion (CTE) (25 – 28) x 10-6 in/in°F [(45 – 50.4 ) x 10-6 m/m/°C]
Deflection Temperature, HDT 185 – 194°F [85 – 90°C]

 

Available Sizes

1.0” x 19.7 x 59.1 (25mm x 500mm x 1500mm)

2.0” x 19.7 x 59.1 (50mm x 500mm x 1500mm)
3.0” x 19.7 x 59.1 (75mm x 500mm x 1500mm)
3.9” x 19.7 x 59.1 (100mm x 500mm x 1500mm)

 

Machining

Cutters:
Roughing – 1”(25.4mm) Hog Ball End Mill, 4-flute, HS Steel 8% Cobalt
Finishing – 5/8”(15.875mm) Ball End Mill, 2-flute carbide


Depth:
Roughing – varied from ¼”(6.35mm) to 2.5”(63.5mm) with 40% stepover
Finishing: 1/8”(3.175mm)deep leaving 0.002” (0.050mm) scallop height

Roughing speed: 1,600RPM ∙ Roughing Feed 40IPM
Finishing speed: 10,000RPM ∙ Finishing feed 100IPM

 

Safety

Good workplace ventilation is to be ensured during processing. At the same time, the employer’s liability insurance association’s industrial hygiene safety regulations regarding the handling of reaction resins and their hardeners are to be observed. Please take heed of the appropriate safety data sheets.

The material should be stored flat and in a dry place. Temperature variations should be avoided during storage and transportation.

The product should be machined at ambient room temperature (68-77°F (20-25°C)).

 

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