Service > Rapid Prototyping > Vacuum Casting
Vacuum Casting
  • 20190412114841488
  • 20190412114840459
  • 20190412114840489
  • 20190412114840802

Vacuum Castings (Similar PU) Prototyping


Vacuum Casting is a widely used process in rapid prototyping, typically used for building 10 to 50 pieces of functional prototypes out of broad range of polyurethanes and other polymers.

The Capability for the Vacuum casting:


SuNPe owns 5 sets of vacuum casting machines, which can cast prototypes with the max dimension up to 2200mm*1200mm *1000mm. 
We can accurately reproduce the prototypes with original color, over-mold, texture and geometries from the master model and components. These plastic castings will closely represent the mechanical properties of the intended production parts from a steel mold. One silicone mold can cast about 15 to 20 pieces of parts, depends on complexity, painting or original color, size and other factors in different parts. The typical lead time is 7 working days for 10 parts.

Vacuum Casting Material Including: 

Transparent PU, Soft plastic PU, ABS PU, PP/PE PU, Polycarbonate PU. We purchase PU material from Hei-Cast company, Axson and BJB company.
Vacuum casting polyurethanes resins
Material Supplier Material Simulation Strength Shore Flexion(MPA) TC  Max Product color description Advantage  Disadvantage Shrinkage
 ABS TYPE
PU8150 Hei-CAST ABS 83 shD 1790 85 Amber,white and black Good resistance 1
UP4280 Axson ABS 81 shD 2200 93 Dark Amber Good resistance 1
PX100 Axson PS chocs 74 shD 1500 70 White/Black Ideal 1
 POLYPRO TYPE
UP5690 Axson PP 75-83 shD 600--1300 70 White/Black Good resistance 1
 COLORABLE ELASTOMERS
PU8400 Hei-CAST Elastomer 20-90shA / / Milky white/Black Good Bend 1
T0387 Hei-CAST Elastomer 30-90shA / / Clear Good Bend 1
 HIGH TEMPERATURE
PX 527 Hei-CAST PC 85 shD 2254 105 White/Black High T℃ 105° 1
PX223HT Hei-CAST PS/ABS 80 shD 2300 120 Black IdealTG 120° 1
 UL-VO
PU8260 Hei-CAST ABS 83 shD 1800 85 White 94V0 flame retarding 1
PX330 Axson Loaded ABS 87 shD 3300 100 Off White V 0 far 25 1
 CLEAR
PX522HT Axson PMMA 87 shD 2100 100 Clear Coloration TG100° 0.996
PX521HT Axson PMMA 87 shD 2200 100 Clear Coloration TG100° 0.996


The advantage for the Vacuum casting:

High production speeds,
High levels of accuracy (including the surface finish), 
Cost effective





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