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POLISHING

POLISHING

( 10-08-2015 - 09:57 AM ) - Lượt xem: 3813

There are 8 types of surface for stainless steels. Surface No. 3, 4, 6, 7 and 8 is the way which polish by mechanics using abration components and nonwoven disc.

No. 1 The surface of product is very blurr . The surface look at microscope is not flat . This product can be used in heat resistance industry and eroded and no need the flat surface such as industrial tank, tools in chemical .
No. 2D This product is not shinning . It often use in producing products with deep drawing . And it can be polished after producing. It usually use for petrochemical factory, automatic parts, construction material, stainless steel pipe. 

No. 2B This product was treated from No.2D . This product is more shiny and wellknown than No. 2D . This is the standard surface. It use popular in all complicated deep drawing using. It is more easier to polish than No.1 and No. 2D .

No. 3 This product was polished with density 100-120 mesh . It can be used in many fields : constructions, interior and exterior decorations, family instruments and kitchen tools.

No. 4 This product was polished with density 150-180 mesh. It is more shinny than than No.3 . It is silver . It often used to make bathtub, interior and exterior decoration of buildings and food industry.

BA  The surface likes mirror . It often use in family instruments , kitchen tools , contruction materials and other things with mirror surface.

HL This product is the surface with along stripped . This vein was made from polish machine same as No. 4 . It usually use in interiror and exterior decorations , windows and frame of doors. 

Dull The surface is blurred and dull . It was made from decreasing the shinny rate of No. 2B and making rough for surface . It can use in interior exterior decorations , making wall and ceiling for elevators.

Electro-polishing This surface is smooth , flat and shinny . Products such as medical equipments , beds , wardrobes .... 

Comparison table 

The difference betwen industrial polishing and mechanical polishing . The rate of roughness on the surface before and after e-polishing : 

 

Type

Size

The roughness before e-polish, Ra

The roughness after e-polish, Ra

micrometer

microinches

micrometer

microinches

2B

60

3.56 max

140 max

1.78-2.25

70-90

No.3

120

1.14 max

45 max

0.57-0.75

23-30

No. 3

180

0.64 max

25 max

0.32-0.40

13-16

Dull

240

0.20-0.51

8-20

0.10-0.26

4-10

E-polish

320

0.15-0.38

6-15

0.08-0.19

3-8

E-polish

500

0.10-0.25

4-10

0.05-0.13

2-5

* Estimate value. E-polish often decrease the result of measuring the roughness before e-polishing 50%.

C & K METAL PRESSING CO., LTD

Address: Lot BF.01-10, Tan Thuan St, Tan Thuan Export Processing Zone, Dist 7, Ho Chi Minh City, Viet Nam

Tel: 84-28-3770 1211 - Fax: 84-28-37701210

Website: http://ckmetalpressing.com/ - Email: info@ckmetalpressing.com

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