E-Glass Roving
E-glass roving surplus stock for cost-efficient fiber solutions
What makes E-glass roving surplus stock stand out?
E-glass roving is made from alkali-free glass, bundled into unidirectional strands and known for its high mechanical strength, chemical stability, and thermal resistance. Sold as surplus stock or excess batches, it often comes from special production runs, overproduction, or with minor visual flaws – typically without relevant limitations in reinforcement performance. Its excellent compatibility with epoxy and polyester resins, consistent impregnation behavior, and dimensional stability make it a reliable material for various composite processes.
What are the benefits of spray-up roving as surplus material?
Part of the range includes E-glass spray-up roving, optimized for the spray-up process. It offers excellent cutting behavior, low static build-up, controlled fiber fall, and uniform fiber distribution. This enhances both resin wet-out and the surface finish of molded parts. Even as B-grade, spray roving remains functionally usable – ideal for prototype construction, non-critical serial components, and cost-conscious production setups.
Which applications are suitable for E-glass roving?
E-glass roving surplus stock is used across many industrial sectors – including boat building, automotive lightweight construction, equipment and mold manufacturing, and duct or tank production. The combination of strength, form stability, and moisture resistance enables durable and reliable solutions in structural and surface layer applications. Depending on fiber format, E-glass roving can be used in spray-up, pultrusion, filament winding, or hand lay-up processes. Additional surplus categories such as carbon fabrics, multiaxial carbon fabric, hybrid fabrics, or aramid weaves complement the offering for advanced composite systems.
Why is B-grade E-glass roving often still a practical option?
Even as discounted B-stock, E-glass roving often retains sufficient functionality: mechanical properties like tensile strength, elongation at break, and bonding quality are frequently adequate for many uses. Particularly in large-scale projects, testing phases, or pre-series production, the material can be worthwhile. With price reductions of up to 70%, it enables budget-friendly workflows without fully sacrificing performance. However, a careful review of the product description is essential to assess its suitability for the intended application.