The rail plastic dowel needs to be pre-inserted into the concrete sleeper separately before assembling the rail fastening system parts.It's used to guarantee the good connection of the rail fastening system with the concrete sleeper,screw spikes or bolts.
Specification:
Density:1.3-1.45g/cm3
Tensile strength: ≥170Mpa
Elongation: ≤4.4%
Bending Strength: ≥250Mpa
Impact Strength(No gap): ≥80KJ/m2
Melting point:250-270°C
Insulation resistance:≥1×108Ω
Glass fiber content:30-35%
Hardness:≥110HRR
Check Item | STANDARD | ||||||
207 | 111 | WJ-2 | X2 | DJK-1 | SK114A | SKL14-D13-B | |
Length(mm) | 110±1 | 119±0/2 | 135±2/1 | 130±0.5 | 130±0.5 | 165±1 | 165±1 |
Inner Pole Length(mm) | / | / | / | / | / | / | |
Outer Dia(mm) | 53±0.5 | 35±1/0 | 24.5±0.3/0 | 44±0.5/0.3 | 39.5±0.7/0.3 | 39±0.6/0.2 | 39.5±0.6/0.2 |
Inner Dia(mm) | 31±0.5/0.1 | 25±0.5 | 31±0.5/0.3 | 28±0.5/0.3 | 25±0.15 | 25±0.5/0 | 24.5±0.3/0 |
Position Hole Inner Dia(mm) | / | / | / | / | / | / | / |
Bottom Width(mm) | / | / | / | / | / | / | / |
Verticality | ≤0.5 | ≤0.5 | ≤0.5 | ≤0.5 | ≤0.5 | ≤0.5 | ≤0.5 |
Drainage Rate(%) | ≥0.5 | ≥0.5 | ≥0.5 | ≥0.5 | ≥0.5 | / | / |
Pulling Strength(kN) | ≥80 | ≥50 | ≥50 | ≥50 | ≥50 | ≥75 | ≥75 |
Insulation Resistance(Ω) | ≥1*108 | ≥1*108 | ≥1*108 | ≥1*108 | ≥1*108 | / | / |
Rockwell hardness(HRR) | ≥95 | ≥105 | ≥105 | ≥105 | ≥105 | / | / |
