2016年5月3日星期二

Fiberglass Material in Pultrusion

Fiberglass Material in Pultrusion

Continuous Strand Mat: Long glass fibers tangled and bound with a small quantity of resin, known as a binder. Continuous strand mat provides the foremost economical way of obtaining a high degree of transversal, or bi-directional strength characteristics. These mats are stratified  with roving, and this method forms the essential composition found in most pultruded product. fiberglass chopped strand mat The ratio of mat to roving determines the link of transversal to longitudinal strength characteristics.

Continuous Strand Roving: every strand contains from 800-4,000 fiber filaments. Many strands are utilized in every pultursion profile. This roving provides very high longitudinal strength of the pultruded product. The quantity and placement of those “rovings” can, and will alter the performance of the product. Roving as well provides the durability required to pull the opposite reinforcements through the producing die.

Since pultrusion is a low-pressure method, fibreglass reinforcements usually seem close to the surface of the product. This could have an effect on appearance, corrosion resistance or handling of the product. Surface veils will be added to the laminate construction, and once used, displaces the reinforcement from the surface of the profile, making a resin-rich surface. the 2 most ordinarily used veils are E-Glass and polyester.

没有评论:

发表评论