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BendLay

Ref.: BENDLAY-175-750

33.45 €

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Approximate delivery date: Thursday 2 January

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BendLay is a filament made from butadiene, this component provides strength and flexibility. It also has a polycarbonate-like appearance and is therefore semi-transparent (allows the passage of more than 90% of the light it receives). In addition Butadiene is used in many products for food use, so if your 3D printer meets the requirements for food use printing pieces with this filament BendLay can make cups, glasses, plates, etc.

Video 1: The BendLay filament. Source: Kai-Parthy.

The development of this filament was performed by Kai-Parthy and based on the formula of ABS. BendLay filament compared to the ABS has a lower water absorption (About 30% of ABS).

It is a semi-flexible alternative, in between PLA and ABS. The thermal stability (softening temperature) is similar to the PLA (around 65 ºC).

One of the main problems is that some filaments being flexed or bent suffer whitening phenomenon in the zone of maximum flexure. This problem doesn´t occur with printed pieces BendLay.

BendLay is sensitive to acetone and one of the great advantages is its high adhesion between layers that make it ideal for large pieces material.

General information
Material	ABS
Format	50 g / 750 g
Density	1.02 g/cm³
Filament diameter	1.75 / 2.85 mm
Filament tolerance	± 0.1 mm mm
Filament length	(Ø 1.75 mm-0.05Kg) ±20.4 m / (Ø 2.85 mm-0.05Kg) ±7.7 m / (Ø 1.75 mm-0.75Kg) ±305.7 m / (Ø 2.85 mm-0.75Kg) ±115.3 m

Printing properties
Printing temperature	210 - 220 ºC
Print bed temperature	60 ºC
Chamber temperature	✗
Cooling fan	✗
Recommended printing speed	- mm/s

Mechanical properties
Elongation at break	2 %
Tensile strength	25 MPa
Tensile modulus	1550 MPa
Flexural strength	- MPa
Flexural modulus	1550 MPa
Surface hardness	-

Thermal properties
Softening temperature	78 ºC

Specific properties
Transparency	90 %
Chemical resistance	✓
FDA certification	✓

Other
HS Code	3916.9
Spool diameter (outer)	200 mm
Spool diameter (inner hole)	52 mm
Spool width	55 mm

BendLay filament due to its flexibility during printing prevents the effect "warping" appears. Anyway it is always advisable to use Blue Tape, Kapton Tape, 3DLac o BuildTak to minimize the possible occurrence of the warping effect.

It is an easy print filament. The recommended printing temperature (nozzle) is 235 °C, although the temperature range in which can be printed can vary from 215 °C to 240 °C.

Masterspool format

The 250 g. format of the BendLay filament can sometimes cause problems during the printing process because it does not include a spool that helps the correct supply of material from the 3D printer.

To avoid this type of problem when printing this and other filaments that are sold in masterspool format you can use a variable spool holder. Thanks to the use of this device, all kinds of tangles and overlaps derived from the absence of a spool are largely avoided.