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Transparent - 1.75mm PVA Filament - 0.5 kg

Transparent - 1.75mm PVA Filament - 0.5 kg

$43.95 CAD was

PVA (Polyvinyl Acetate) is not only non-toxic and biodegradable but it is also water soluble, so it can only be used as a support material in printing as it will dissolve when it comes in contact with water. It has to be kept dry prior to printing and needs to be sealed with a desiccant to store it.

The objects look translucent after printing and have a yellow tint to them. PVA is generally used with dual extrusion printers as one extruder prints the primary material such as PLA and the second extruder prints this dissolvable filament.

It is crucial that the printing temperature for PVA does not exceed 230C. Once the temperature, bed height and speed are set, the level of printing difficulty becomes easy.

It provides support to models which require intricate detailing and over hangings since it is water soluble.

Items unit PVA PVA-1 PVA-2 LDPE PSt
Melting point °C 174 161 160~170 109
MFR g/10min 2 4 7 3 2.5
Melt Viscosity poise 2.3×104 1.6×104 3.3×104 - -
Glass Transition T °C 55 26 42 - -
Specific Heat cal/g・°C 0.4 0.4 0.4 - -
Density g/cm3 1.25 1.25 1.30 0.92 1.05
Refractive Index - 1.50 1.50 - - -
Water soluble level PVA PVA-1 PVA-2
Film fracture (S) 8 4 7
Film fracture and disperse (S) 15 14 11
Film completely dissolving (S) 97 44 19
Items(Unit) Test condition PVA PVA-1 PVA-2 LDPE PSt
Tensile strength
kg/mm2
JIS K 7113
23°Cx0%RH
11 4.4 2.9 1.9 2.7
Tensile
elongation %
JIS K 7113
23°Cx0%RH
11 140 83 600 35
Tensile modulus
kg/mm2
JIS K 7113
23°Cx0%RH
190 120 90 - -
Bending strength
kg/mm2
JIS K 7113
23°Cx0%RH
17 5.5 1.3 - 4.6
Impact strength
Kg.cm/cm
JIS K 7113
23°Cx0%RH
1.4 1.4 - - 9.0
Tensile strength

kg/mm2
JIS K 7127
20°Cx0%RH
20°Cx65%RH
MD/TD
6.7/6.7
2.0/1.4
MD/TD
5.1/5.0
1.9/1.3
MD/TD
4.6/4.1
1.9/1.0
MD/TD

2/2
MD/TD

7/7
Tensile
elongation
%
JIS K 7127
20°Cx0%RH
20°Cx65%RH
MD/TD
1.4/1.5
100/160
MD/TD
4.7/4.3
180/270
MD/TD
100/100
210/280
MD/TD

340/600
MD/TD

90/60
Impact
strength
kg.cm
JIS K 7127
20°Cx0%RH
20°Cx65%RH

1.3
15

1.4
16

1.4
15

4.0

-
Tear strength

kg/cm
JIS K 7127
20°Cx0%RH
20°Cx65%RH
MD/TD
7.3/3.0
43/6.2
MD/TD
14/5.7
16/3.6
MD/TD
-
-
MD/TD

140/60
MD/TD

-
Puncture
strength
g

20°Cx0%RH
20°Cx65%RH

790
590

670
380

600
340

-

-
Equilibrium
moisture content
wt%

20°Cx65%RH

14.1

14.7

13.0

0.2

-
Turbidity
50m, %

0.3

2.1

-

-

17
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