No-alkali accelerator are used to increase the rate of concrete strength development or to reduce concrete setting time. It is non-toxic, non-corrosive, non-flammable, chlorine-free, harmless to human health, low in springback, no dust and no pollution during construction, which can greatly improve the construction environment . Concrete Accelerator,Cement Accelerator,Accelerating Admixtures,Concrete Accelerator Admixture NINGBO LUCKY CHEMICAL INDUSTRY CO. LTD , https://www.nbluckychemical.com
PVC Sheet Extrusion Planetary Screw BarrelÂ
Planetary screw specialized in:
1. Rigid PVC products: Plastic sheet, PVC medical sheet, PVC card substrate, PVC poker card material, PVC watches sheet, colored PVC sheet
2. Semi rigid PVC products: Semi rigid PVC adhesive tape, printing cloth, advertising materials, light box cloth, decorative materials(film)
3. Soft PVC products: Soft PVC tape, all kinds of inflatable toys, raincoats, plastic film materials, salt film, home textile packaging.
ZY produces planetary screw and barrel in full specifications, pls find detailed info as below:
Base Materials:
(1)38CrMoAlA(JIS SACM645)
(2)42CrMo(AISI 4140)
Technics:
Heat treatment
Nitriding treatment
Technical parameter:
Nitrided layer depth: 04-0.6mm
Nitrided hardness: 850-950HV
Nitrided brittleness: Less than grade 1
Surface roughness: Ra0.4
Linearity of screw: 0.015mm
Terms and conditions:
Production time: 35 days
Packing: Export standard wooden case
Trade terms: FOB, CNF, CIF, etc
Payment terms: T/T, L/C
Customized items are available when your planetary screw and barrel is not standard.