Direct Roving

TCR Direct Roving Technical Data Sheet

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D1-A-TCR & D4-A-TCR glass are boron-free and fluoride-free glass fiber. It provides higher mechanical properties (modulus of elasticity) than E glass, superior chemical corrosion resistance, especially very similar acid resistance with traditional ECR glass. Without any content of B2O3 and F2, D1-A-TCR & D4-A-TCR glass is environmental-friendly throughout all its production process.

All D1-A-TCR & D4-A-TCR direct roving are manufactured to meet ISO 9001 standards. These direct rovings are produced by pulling individual fibers directly from the bushing and then winding them onto a roving package ready for shipment. The uniform distribution of a proprietary sizing system assures an excellent resinto-glass binding through uniform distribution of the binding agent. A direct roving process represents the optimum technology in forming glass fiber and results in maximum strand integrity.


Pallet dimensions

  • Pallet height, cm (in) 95 (37) or 119 (47)
  • Pallet length, cm (in) 110 (43)
  • Pallet width, cm (in) 110 (43)
  • Number of layers: 3 or 4
  • 48-roll pallet weight, kg (lb) 816 (1799)
  • 64-roll pallet weight, kg (lb) 1088 (2399)

Doff dimensions

  • Doff height*, cm (in) 26.5 (10.5)
  • Doff weight*, kg (lb) 17 (37.5)
  • Doff diameter, cm (in) 27.5 (11)
  • Doffs/layer 16
  • Doffs/pallet 48 or 64

Doffs are wrapped in plastic bags, then packed in individual cardboard boxes or bulk-packed.


Unless otherwise specified, it is recommended to store glass fiber products in a cool, dry area.

Temperature should not exceed 35°C (95°F) and the relative humidity should be kept below 75%. Glass roving products must remain in packaging material until just prior to its use. If these conditions are respected, the glass fiber product should not undergo significant changes when stored for extended periods of time.


To ensure safety and avoid damage to the product, skids should not be stacked more than two high. When stacking two pallets high, care should be taken to correctly and smoothly place the top pallet.