China Engineering Plastic Nylon Rack Gear PA PA66 Gear Rack and Pinion, Find details about China Nylon Gear Rack, PA Rack from Engineering Plastic Nylon Rack Gear PA PA66 Gear Rack and Pinion
Property | Item No. | Unit | MC Nylon (Natural) | Oil Nylon+Carbon (Black) | Oil Nylon (Green) | MC90 (Blue) | MCNylon+MSO2(Light Black) | |
Mechanical Properties | 1 | Density | g/cm3 | 1.15 | 1.15 | 1.135 | 1.15 | 1.16 |
2 | Water absorption (23ºCin air) | % | 1.8-2.0 | 1.8-2.0 | 2 | 2.3 | 2.4 | |
3 | Tensile strength | MPa | 89 | 75.3 | 70 | 81 | 78 | |
4 | Tensile strain at break | % | 29 | 22.7 | 25 | 35 | 25 | |
5 | Compressive stress (at 2%nominal strain) | MPa | 51 | 51 | 43 | 47 | 49 | |
6 | Charpy impact strength (unnotched) | KJ/m 2 | No brak | No break | ≥50 | No BK | No break | |
7 | Charpy impact strength (notched) | KJ/m 2 | ≥5.7 | ≥6.4 | 4 | 3.5 | 3.5 | |
8 | Tensile modulus of elasticity | MPa | 3190 | 3130 | 3000 | 3200 | 3300 | |
9 | Ball indentation hardness | N/mm 2 | 164 | 150 | 145 | 160 | 160 | |
10 | Rockwell hardness | - | M88 | M87 | M82 | M85 | M84 |