Good ECR Fiberglass Direct Roving
2 year ago
| Product Specification | ||
| Type Of Glass | Filament Diameter (um) | Linear Density (Tex) |
| ECR | 17-24 | 1200, 2400, 4800, 9600 |
"Glass Fiber Twistless Roving (GB/T 18369-2008)" is revised with reference to BS EN 14020 "Reinforcement Materials - Glass Fiber Twistless Roving Specification". "Glass Fiber Twistless Roving (GB/T 18369-2008)" replaces GB/T 18369-2001 "Glass Fiber Twistless Roving". Compared with GB/T 18369-2001, the main content changes of "Glass fiber twistless roving (GB/T 18369-2008)" are as follows: the application properties of glass fiber twistless roving are subdivided, and they are divided into weaving and weaving according to the application properties. , spraying, pultrusion, molding compounds, winding, chopped and other glass fiber twistless rovings; the breaking strength index value of glass fiber twistless rovings has been improved; the application performance requirements of glass fiber twistless rovings have been increased.
Commonly used linear densities are 150 tex, 300 tex, 600 tex, 900 tex, 1 200 tex, 2 400 tex, 3 600 tex, 4 800 tex, and 9 600 tex. The tolerance of the average linear density relative to the nominal value is:
1. For chopped roving, ±8%, the coefficient of variation of the measured value should not be greater than 6%
- For non-chopped rovings, the cross-over coefficient of the measured value should not be greater than 5%.
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