Nov. 2018

Technical Data Sheet

Version 4.0

www.polymaker.com

PolyCast™

PolyCast™ is a filament designed to produce investment patterns for investment casting applications. 3D printing

significantly cuts down both the cost and lead time by eliminating the tooling process.

Physical Properties

Property

Testing method

Typical value

Density

ASTM D792 (ISO 1183, GB/T 1033)

1.1 (g/cm3 at 21.5˚C)

Glass transition temperature

DSC, 10 °C/min

70(°C)

Vicat Softening temperature

ASTM D1525 (ISO 306 GB/T 1633)

67 (˚C)

Melt index

260 °C, 2.16 kg

6.6 – 6.7 (g/10 min)

Decomposition temperature

TGA, 20 °C/min

260 (˚C)

Tested with 3D printed specimen of 100% infill

Mechanical Properties

Property

Testing method

Typical value

Young’s modulus (X-Y)

ASTM D638 (ISO 527, GB/T 1040)

1745 ± 151 (MPa)

Tensile strength (X-Y)

ASTM D638 (ISO 527, GB/T 1040)

35.7 ± 1.7 (MPa)

Elongation at break (X-Y)

ASTM D638 (ISO 527, GB/T 1040)

5.8 ± 0.9 (%)

Bending modulus (X-Y)

ASTMD790 (ISO 178, GB/T 9341)

1198 ± 173 (MPa)

Bending strength (X-Y)

ASTMD790 (ISO 178, GB/T 9341)

60.2 ± 1.6 (MPa)

Charpy impact strength (X-Y)

ASTM D256 (ISO 179, GB/T 1043)

9.6 ± 0.9 (kJ/m

2)

All testing specimens were printed under the following conditions:

nozzle temperature = 220°C, printing speed = 45mm/s, build plate temperature = 60°C, infill = 100%

All specimens were conditioned at room temperature for 24h prior to testing

Recommended printing conditions

Parameter

Nozzle temperature

190 - 220 (˚C)

Recommended build surface

Glass with glue

Build plate temperature

25-70 (˚C)

Cooling fan

Turned ON

Printing speed

40 - 60 (mm/s)

Raft separation distance

0.10 – 0.14 (mm)

Retraction distance

1 - 3 (mm)

Retraction speed

30 - 40 (mm/s)

Recommended environmental temperature

20-30 (˚C)

Threshold overhang angle

60 (˚)

Recommended support material

PolyDissolve™ S1

Based on 0.4 mm nozzle and Simplify 3D v.4.0. Printing conditions may vary with different nozzle diameters

It is highly recommended to use the PolyBox™ when printing with PolyCast™ and to store it in the resealable bag.