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What are the materials of artificial turf

Views:88     Author:Site Editor     Publish Time: 2020-06-23      Origin:Site

Introduction: This article mainly introduces the material and material structure of artificial turf.

1. Chemical composition

The raw materials of artificial turf are mostly polyethylene and polypropylene, but also polyvinyl chloride and polyamide. The leaves are colored green imitating natural grass, and ultraviolet absorbers need to be added.

Polyethylene: It has a softer hand feel, and its appearance and sports performance are closer to natural grass, which is widely accepted by users. It is the most widely used artificial grass fiber raw material on the market.

Polypropylene: Grass fiber is relatively hard, and is generally suitable for tennis courts, playgrounds, runways or decoration.

Nylon: It is the earliest raw material of artificial grass fiber and belongs to the first generation of artificial grass fiber.

artificial turf

2. Material structure

The artificial turf consists of three layers of materials. The foundation layer is composed of a compacted soil layer, a crushed stone layer and an asphalt or concrete layer. The foundation layer is required to be solid, non-deformable, smooth and impervious, and it is a general concrete site. Because the area of the hockey field is large, the foundation layer must be properly handled during construction to prevent subsidence. If the concrete layer is laid, expansion joints should be cut after the concrete is cured to prevent thermal expansion deformation and cracks.

The foundation layer is a buffer layer, usually composed of rubber or foam. The rubber elasticity is moderate and the thickness is 3~5㎜. The cost of using plastic foam is low, but the elasticity is poor, the thickness is 5~10㎜, if the thickness is too thick, the lawn is too soft, and it is easy to sag; if it is too thin, it lacks elasticity and does not play a buffering role. The buffer layer should be firmly pasted on the base layer, usually with white latex or all-purpose adhesive.

The third layer, also the surface layer, is the turf layer. According to the manufactured surface shape, there are downy turf, circular curled nylon silk turf, leaf-shaped polypropylene fiber turf, nylon silk woven permeable turf, etc. This layer must also be glued to the rubber or foam plastic board with latex. It must be fully glued during construction, and pressed tightly in sequence, without wrinkling.

artificial turf

There are two common types of turf:

1. The leaf-like fibers of the turf layer are thin, only 1.2~1.5mm.

2. The turf fiber is thicker, 20~2mm, and it is filled with quartz sand almost to the top of the fiber.

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