Directions for use of polyester fiberglass fabrics
We must be careful in handling polyester fiber cloth. If the cloth roll to drop down from the vehicle, will damage the polyester fiber, resulting in practical problems.That if there is a fringe installation, in any direction on the pavement is greater than 2.5 cm stripes must be cut and stacked together, and the hand will overlap in the asphalt layer. At the immersion in polyester fiber cloth must use roller or brush, to ensure that it is with the road full contact and remove bubbles. The width of hot asphalt must be coated polyester fiber cloth width plus 4 inches. The polyester fiber cloth to curve surface is not easy to bend or stretch. The installation on the surface can be truncated cloth, can be mechanically or manually installed.For the polyester fiber cloth can be used when installing a tractor or truck drag with metal roller mechanism, the metal roller is to ensure the preparation of polyester glass fiber cloth spread on the road. In the installation and must be installed behind a row of brush, which will be pressed in the polyester fiber asphalt coating. We must ensure that in the length direction a 5.1 cm composite layer joint polyester fiber cloth in the width direction in a layer 10.2 cm. Lateral joint top must be along the pavement, all joints must be lapped together.
The polyester fiber pavement construction environment temperature must be above 4 DEG C.In order to achieve the best results, in paving polyester glass fiber cloth, we should pay attention to the following aspects:The polyester fiber cloth must be installed in the construction of hot asphalt. We recommend asphalt below.AC-20; PG64-22; AR8000; or into class 60-80 asphalt. The construction in summer to extreme high temperature, recommended the use of relatively high viscosity asphalt, asphalt is suitable for the following work: AC-30 Xia Jishi; PG67-22; AR8000; or as a thorn class 40-60 asphalt.
In accordance with the following method of construction, paving polyester glass fiber cloth is very convenient.It will be in the polyester fiber cloth on the road pavement cleaning: remove the dirt, dust and gravel, ensure the asphalt bonding effect.The road has larger cracks when the foundation pit (above 6mm), or damaged, repair should be filled.The adhesive used must be heat reservoir asphalt, emulsified asphalt can not be used, otherwise the bonding effect of polyester fiber decreased.The optimal temperature is 163-204 DEG C - bonded asphalt.The bond must be before the asphalt asphalt spreading without loss of liquidity paving polyester fiber cloth, cloth or body to soak the asphalt, reduce the waterproof performance of fiberglass polyester paving mat.
