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Vacuum Castings (PU)

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 3 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
Srtenght 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
PX527
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 restarding
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






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 3 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

ABS TYPE
Material
PU8150
UP4280
PX100
Supplier
Hei-CAST
Axson
Axson

Material
Simulation

ABS
ABS
PS chocs

Srtenght
Shore

83 shD
81 shD
74 shD
Flexion(MPA)
1790
2200
1500
TC  Max
85
93
70

Product color
description

Amber,white and black
Dark Amber
White / Black

Advantage
Disadvantage

Good resistance
Good resistance
Ideal
Shrinkage
1
1 1
POLYPRO TYPE
Material
UP5690
Supplier
Axson
Material
Simulation

PP
Srtenght
Shor
e
75-83 shD
Flexion(MPA)
600--1300
TC  Max
70
Product color
description

White/Black
Advantage
Disadvantage

Good resistance
Shrinkage
1
COLORABLE ELASTOMERS
Material
PU8400
T0387
Supplier
Hei-CAST
Hei-CAST
Material
Simulation

Elastomer
Elastomer
Srtenght
Shor
e
20-90shA
30-90shA
Flexion(MPA)
/ /
TC  Max
/ /
Product color
description

Milky white/Black
Clear
Advantage
Disadvantage

Good Bend
Good Bend
Shrinkage
1
1
HIGH TEMPERATURE
Material
PX527
PX223HT
Supplier
Hei-CAST
Hei-CAST
Material
Simulation

PC
PS/ABS
Srtenght
Shor
e
85 shD
80 shD
Flexion(MPA)
2254
2300
TC  Max
105
120
Product color
description

White/Black
Black
Advantage
Disadvantage

High T℃ 105°
IdealTG 120°
Shrinkage
1
1
UL-VO
Material
PU8260
PX330
Supplier
Hei-CAST
Axson
Material
Simulation

ABS
Loaded ABS
Srtenght
Shor
e
83 shD
87 shD
Flexion(MPA)
1800
3300
TC  Max
85
100
Product color
description

White
Off White
Advantage
Disadvantage

94V0 flame restarding
V 0 far 25
Shrinkage
1
1
CLEAR
Material
PX522HT
PX521HT
Supplier
Axson
Axson
Material
Simulation

PMMA
PMMA
Srtenght
Shor
e
87 shD
87 shD
Flexion(MPA)
2100
2200
TC  Max
100
100
Product color
description

Clear
Clear
Advantage
Disadvantage

Coloration TG100°
Coloration TG100°
Shrinkage
0.996
0.996



The advantage for the Vacuum casting

High production speeds,

High levels of accuracy (including the surface finish),

Cost effective