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Transparent - 1.75mm PVA Filament - 0.5 kg Out of stock
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- 1.75mm , transparent , Soluble , spo-disabled
SKU: StandardPVA175Transparent0.5kg
PVA (Polyvinyl Alcohol) 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 |
|
