AR GLASSFIBRE SPRAY ROVING - HEJ 16.7%
HEJ 16.7% is an alkali resistant glass fibre roving (ZrO2>16.7) designed for use in all kinds of GRC exterior cladding panels and composites using the spray applied production method.
Spray-up is similar to shotcrete in that the fluid concrete mixture (minus ARG fibers) is sprayed into the forms. The concrete is sprayed out of a gun-like nozzle that also chops and sprays a separate stream of long fibers. The concrete and fibers mix when they hit the form surface. ARG fiber is fed off of a spool in a continuous thread into the gun, where blades cut it just before it is sprayed. Chopped fiber lengths tend to be much longer (about 1.5") than fibers that get mixed in, since long fibers would ball up if they were mixed into the concrete before spraying.
Product Code : ARG Spray Roving ARC13-2700H ZrO2 ≥16.7%
Test Condition : Temperature & Humidity 24°C 56%
- Alkali resistant fiberglass;
- Safe easy handling
- Excellent mechanical performance
- Easy blending into the GRC matrix
- Easy spraying & chopping
- Perfect for incorporation into complicated composite profiles and details
- Been approved by Sheffied University,UK
Huierjie AR Glassfibre roving's are used for spraying with industry standard GRC spray equipment. The normal recommended dosage is 5% by weight.