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Feature Introduction:
OBC K7 is a polyolefin block copolymer-modified material. It introduces polyolefin properties to 3D printed products, including low water absorbency, flexibility, durability, and chemical resistance. Thus, resistant to several common solvents, it is not damaged by humidity changes and can be used after long-term storage. It is designed for an ultra-low density, with 20-40% longer than other materials at the same weight. In addition, it is economical and can print lightweight and durable products.
Basic Physical Properties:
| OBC K7 | Printed copy (horizontal printing of sample, 100% linear filling) | Injection molded parts | Test standards |
| Density (g/cm3) | 0.9 | ISO 1183 | |
| Melt flow rate (MFR) 1 | 3-4 | ISO 1133 | |
| Heat deflection temperature(HDT)2 | 60 | ISO 75 | |
| Vicat softening temperature(VST)3 | 95 | ISO 306 | |
| Tensile strength (MPa) | 11-14 | ISO 527 | |
| Elongation at break(%) | >800 | ||
| Maximum force(Mpa) | 2-3 | ISO 178 | |
| Flexural modulus(Mpa) | 370-630 | ||
| Impact strength(KJ/m2) | N/A | ISO 179 | |
| Notch impact strength1(KJ/m2) | 32-35 | ||
*1. Test condition: temperature (T)=190 ℃; Mass (m)=2.16kg.
*2. Test condition: bending stress=0.45MPa; Heating rate=120 ℃/h.
*3. Test condition: load=10N; Heating rate=120 ℃/h.
