RCM Sheet - NCN4640

RCM Sheet - NCN4640

Category: RCM Sheets for Anti-Squeal Shims

Product Style Number & Name:

RCM sheet NCN4640

 

Rubber coated metal coil sheet

Rubber coated metal sheet (RCM sheet) is made from metal substrate coated with thin NBR rubber or other rubber layers through advanced processing technology.

A continuous length RCM coil sheet is made from an entire coil of metal sheet through a series of treatments and rubber coating process automatically and continuously in our special production line.

 

                             

 

Properties & Applications:

The RCM sheet has good sealing performance, good anti-squeal performance, excellent chemical resistance and anti-aging properties, and good machinability.

It is widely used as gasket material for engines, compressors, refrigerating machines, and as anti-squeal shim material for braking system.

 

RCM Sheets for Anti-Squeal Shims

RCM sheet is a good anti-squeal shim material for braking system. After machined and punched to desired shapes, the anti-squeal shims can be affixed to the steel backing plate directly.

Our various styles of double-sided and single-sided rubber coated metal sheets can meet different application requirements from various customers.

A typical sheet type for this application is one side coated with rubber, and the other side coated with antirust layer and then attached with a pressure-sensitive adhesive layer.

 

Typical Styles:

Style

Overall thickness

Metal substrate

Rubber coating

Material

Thickness

Material

Thickness

NCN4640

0.46mm

SPCC-1

0.40mm

NBR

0.03mm per side

NC4640

0.46mm

SPCC-1

0.40mm

NBR

0.06mm one side

NCN4640A

0.46mm

+Adhesive

SPCC-1

0.40mm

NBR

0.03mm per side

NC4640A

0.46mm

+Adhesive

SPCC-1

0.40mm

NBR

0.06mm one side

Other materials and thicknesses are also available on request.

 

RCM sheet NCN4640

Metal substrate (SPCC-1) thickness: 0.40mm.

NBR rubber coating thickness (each side): 0.03mm.

Overall thickness: 0.46±0.04mm.

Maximum width: 800mm (net width: approx. 785mm).

 

 

Item

Testing condition

Result

Metal substrate

Vickers hardness tester

≥200HV

Appearance

Visual inspection

Smooth surface, no impurities, no blistering

Pencil hardness

Pencil hardness tester

Above 2H

Coating adhesion

Adhesion test by scratch

Above grade 2

Peel strength

Peel force tester

>4.9Mpa

Impact test

205°C, 60s

No cracking, no shedding

Bending test

Scratching 180-degree arc surface with a knife

No cracking

High temperature test

300°C, 20min

No cracking

Resistance to salt spray

240h

No bubbles, no shedding

Resistance to #901 oil

150°C, 5h

Weight increase ≤2%

Thickness increase ≤2%

 

Style

Overall thickness

Metal substrate

Rubber coating

Material

Thickness

Material

Thickness

NCN4640

0.46mm

SPCC-1

0.40mm

NBR

0.03mm per side

NC4640

0.46mm

SPCC-1

0.40mm

NBR

0.06mm one side

NCN4640A

0.46mm

+Adhesive

SPCC-1

0.40mm

NBR

0.03mm per side

NC4640A

0.46mm

+Adhesive

SPCC-1

0.40mm

NBR

0.06mm one side

Other materials and thicknesses are also available on request.

 

RCM sheet NCN4640

Metal substrate (SPCC-1) thickness: 0.40mm.

NBR rubber coating thickness (each side): 0.03mm.

Overall thickness: 0.46±0.04mm.

Maximum width: 800mm (net width: approx. 785mm).