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FIBERGLASS MATERIAL
ALKALI-RESISTANT ROVING

It is a multi-end product and uses a special sizing.  One yarn consists of 24 strands, each of which is made up of 200 filaments.
 
type: ZrO2°›14.5% or °›16.5%.
 
properties:
1. alkali resistance: soaked in 100°ś saturated Ca (OH)2 solution for 4 hours, remained strength >90%. Diamter diminution <0.5%. Soaked in 100°ś Naoh solution for 1 hour, weight loss <0.5%.
2. corrosion resistance: resist the corrosion of high-alkali substance, filament coated with alkali-resistant, waterproof, high polymer materiall.
3 durability: durability of GRC products made from low alkali cement based on artificiall aging experiment is 50-100 years long.
4. softening temperature: 860°ś.
5. elastic modulus: 72-80.4 Gpa
6. Special gravity: 2.7
7. strain at breaking point: 2.4%
8. strand tensile strength: 1800Mpa, it is 2-3 times of steel fibre
9. security: green environmental protection
10. incombustible: inorganic materiall
 
Purpose:
It used for spray-up or mechanica

 
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