Spray-up Process
A mould is sprayed with a mixture of catalyzed resin and chopped fiberglass roving (fiberglass cut to specific length using a chopper gun). Then the glass-resin mixture is well compacted, usually manually, for complete impregnation and deairing. After curing the finished composite part is de-molded.
Spray up Roving
Assembled Rovings for Spray-up are compatible with UP, VE and PU resins. They deliver properties of low static, excellent dispersion and good wet-out in resins.
Product Features
1.Good runnabiity for spraying operation, larger dispersion area in spraying, showerwet-out, less slide on vertical surfaces, suitable for production of large parts.
2.Good runnabilty for spraying operaton, moderate wet-out speed, easy roll-out, easy removal of bubbies,no spring back in sharp angles, excellent mechanical properties and hydrolytic resistance in parts,sutable for high-speed spray-up process wth robots.
3.Fast wet-out,idea/ for products wth small surace.
End-Use Markets
(Marine / Bathroom equipment / Automotive / Chemistry and Chemical / Sports and Leisure)
PRODUCT DATA
Performance requirements | Linear density（%） | Moisture content（%） | Combustible content（%） | Stiffness（mm） |
Test Methods | ISO1889 | ISO3344 | ISO1887 | ISO3375 |
2400TEX | ±5 | ≤0.15 | 1.00±0.15 | 135±15 |
3000TEX |
Special specifications can be produced according to customer requirements.
Packing
Each outer layer of plastic film heat shrinkable yarn groups, each tray is put three or four, 48 volumes, or 64 volume is a large cardboard box on the tray.
Storage
In the absence of special circumstances required stored in a dry, cool place, to prevent rain. 24 hours is recommended to keep the indoor temperature balance. It recommends controlling the temperature 15 ℃ ~ 35 ℃, humidity 35% to 65%.