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Assembled Roving for GMT 522

Assembled Roving for GMT 522

522 Assambled Roving is designed for GMT application and used to reinforce modified PP.
GMT is a high performance composite material widely used in automobile, construction, chemical, packing and transportation applications.

Product Features

  • Silane-based coupling agent with most balanced sizing properties
  • Proprietary sizing formulation with good compatibility with resin
  • Moderate fiber stiffness, good ribbonization and dispersion
  • Excellent anti-static property and choppability
  • Excellent mechanical properties of composite

Technical Parameters

 

 

Storage

Unless otherwise specified, fiberglass products should be stored in a dry, cool and rain-proof area. It is recommended that the room temperature and humidity should be always maintained at 15C ~35C and 35% ~65% respectively. To ensure safety and avoid damage to the product, the pallets should not be stacked more than three layers high. When the pallets are stacked in 2 or 3 layers, care should be taken to correctly and smoothly move the top pallet.

Packaging

* The product can be packed on pallet or in small cardboard boxes.

 Glass Mat Reinforced Thermoplastics(GMT) Process

GMT (Glass Mat Thermoplastic) is a multi-step process. First, a needled mat is used or a mat is formed in-situ by chopping assembled roving. Then, one or two layers of reinforcing mat are sandwiched between two or three sheets of polypropylene. This sandwich is then heated and consolidates into a semi-finished sheet product. The GMT sheets are then heated and molded using stamping or compression process to make complex finished parts.

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