Jinhailuo High Polymer Waterproof Roll Screw

Description :

　　material

　　alloy steel

　　1)38CrMoAlA(JIS SACM645)

　　heat treatment

　　nitriding treatment

　　Spray corrosion-resistant and wear-resistant bimetallic layer

　　Electroplated hard chromium layer

　　technical indicators

　　Depth of nitride layer: 0.5~0.8mm

　　Nitriding hardness: 900~1000Hv

　　Nitriding brittleness: less than,,

　　Surface roughness: Ra0.4

　　Screw straightness: 0.015mm

　　Surface chrome hardness after nitriding: greater than 950Hv

　　Chrome plating thickness: 0.025-0.085mm

　　Composite polymer waterproofing membrane production line

　　Suitable for the production of various materials, including PVC, TPO, PE and other waterproof rolls; Waterproof rolls suitable for various product structural forms, including:

　　Homogeneous roll material (code H): Waterproof roll material that does not use internal reinforcement or backing materials; Fiber backed roll material (code L): a waterproof roll material composed of fabric such as polyester non-woven fabric on the lower surface of the roll material; Internal reinforcement roll (code P): a waterproof roll reinforced in the middle of the roll with polyester mesh cloth; Internal reinforcement roll (code G): a waterproof roll reinforced with fiberglass mesh cloth in the middle of the roll;

　　Main technical parameters

　　Note: The above specifications and parameters are subject to change without prior notice.

AfterSalesService :

• Golden Conch Polymer Waterproof Roll Screw