Home » Railroad Fastening Products » Plastic & Rubber & Nylon Products » China Rail Insulator Nylon Dowels for Railway Track Fastening Systems Manufacturer

China Rail Insulator Nylon Dowels for Railway Track Fastening Systems Manufacturer

The rail sleeve is also called nylon insert, plastic dowel, nylon dowel, plastic sleeve.
Railway plastic dowel pre-inserted into the concrete sleepers and used together with the screw spikes as the fastening components of rail fastening system to fix the railroad tracks.

Rated 4.9/5 based on 493 customer reviews
Share:
Content

Applications of Nylon rail inserts:

  • Cast-in place slab track anchoring
  • Concrete tie inserts for turnouts
  • Segmental tunnel concrete ring inserts
  • Restraining rail brackets
  • Direct fixation plates
  • Electrical isolation anchor
  • Anchor guard-rail

The material of our railway plastic dowel is made using either HDPE or PA66 + GF30% and the product color is available in white, black and dark brown.

Technical Parameter of HDPE Rail Plastic Dowel

No. Technique parameter Unit Technical requirement Value
1 Density g/ 0.95-0.98 0.95
2 Tensile strength Mpa ≥19 19
3 Elongation % >80 150
4 Melting point °C 170-190 190
5 Insulation resistance Ω ≥1×1010 3.5×1010
6 Hardness A ≥98 98(A)

 Technical Parameter of PA66 Railway Nylon Plastic Sleeve

No. Technique parameter Unit Technical requirement Value
1 Density g 1.3-1.45 1.45
2 Tensile strength Mpa ≥170 178
3 Elongation % ≤4.4 4.0
4 Bending Strength Mpa ≥250 290
5 Impact Strength(No gap) KJ/m2 ≥80 85
6 Melting point °C 250°C-270 270
7 Insulation resistance Ω ≥1×108 5×108
8 Glass fiber content % 30-35 35
9 Hardness HRR ≥110 118
Inquiry
* Name:
* Email:
Country:
Tel:
* Message:
More Plastic & Rubber & Nylon Products