High Performance Rare Earth Polishing Powder CE-01

To meet customer specific polishing needs and application conditions, CrownRe offers a range of high performance polishing powders.

Thanks to the strength of its R&D teams and its expertise in Rare earth, CrownRe has developed separated Rare earth polishing products 

with tightly-controlled composition and white cream color, together with specifically designed morphology and characteristics.

Bandeau CEROX-174230.jpg

Cerium oxide-01

Key Features

1. High removal rate

2. Giving increased productivity

3. Good polishing productivity, good surface quality

4.  Excellent surface quality

For LCD/LED, GHD and photomask.

Type

C2610

C2620

C2650

C2663

C2822

C2815

  Composition

Ce

Ce

Ce

Ce

Ce

Ce

Property

Ce O2%

>55

>60

60-70

>55

>55

>55

TREO%

>85

>85

>90

>90

>85

>85

Medium particle diameter d50 (μm)

2.0-3.0

1.9-2.1

1.0-1.4

1.0-1.4

0.9-1.4

0.7-1.1

L.O.I %

<1

<2

<2

<2

<2

<4

Hard particles *>15um,**10um-

<5000*

<500*

<200*

<200*

<100**

<50**

Polishing efficiency

B

B

A

A

B

B

Scratch

C

C

C

C

B

A

Suspension strength

C

B

C

B

B

B

Packing

A

C

A

B

C

C

                                A Excellent     B Very good    C Good    D Medium    E Acceptable