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Rubber Lining Material / Butyl Rubber (IIR)

Our rubber materials use for application has imported from OHJI (Japan) manufacture. We provide rubber sheet, adhesive, materials and the supervisor which will be best suited for your needs.

 

● Butyl Rubber (IIR)

The most resistance for chemical and heat, excellent vapor permeability in soft rubber. Well used for H2SOsolution and FGD service.

 Material

Characteristics

General Application

Curing Method

Hardness

Autoclave

Open steam

B-5

(B-15)

Standard grade of butyl rubber.

The most chemical resistance rubber.

Excellent in vapor permeability among the natural rubber.

Certified as water supply standard.

(JWWA Z109:2004)

Excellent resistance to HSO and HFFGD equipment

Phosphoric acid plant

57 ± 7

Type/hore A

B-5C

(B-15C)

Halogenated (chlorinated) butyl rubber.

Same performance as B-5 (B-15)

FGD system in overseas

57 ± 7

Type/Shore A

B-5S

Pre-cured type butyl rubber.

Not necessary for vulcanization.

Large size tank for field

For repair at FGD system

Not required

52 ± 7

Type/Shore A

B-7

(B-17)

Butyl rubber for NaClO (Black)

Storage and piping of hypo-chlorite soda

57 ± 7

Type/Shore A

B-115

Non contamination grade for phosphoric acid.

High quality phosphoric acid storage.

57 ± 7

Type/Shore A

B-215

Non contamination grade for sulfuric acid

High quality sulfuric storage

57 ± 7

Type/Shore A

 
● Chloroprene Rubber (CR)
 

Good for weather, ozone and oil resistance. Well used for sea water equipment. 

Material

characteristics

General Application

Curing Method

Hardness

Autoclave

Open steam

C-5

Better performance for workability of lining application.

Seawater pipe

Water box condenser

62 ± 7

Type/Shore A

C-55

Self vulcanization type of CR

Vulcanization with operating temperature.

NaOH storage, PAC, CaCl

Wastewater treatment equipment

62 ± 7

Type/Shore A

C-55F

Food grade of self vulcanization type of CR

Storage tank for NaOH as a food additive

62 ± 7

Type/Shore A

C-6

Standard grade of CR

Except oxidizing chemical resistance, heat and oil resistance, also excellent in ozone resistance.

Can be applied for coexistent with hydrofluoric acid such as phosphoric acid production.

Phosphoric acid production related equipment

Seawater pipe

Water box condenser

62 ± 7

Type/Shore A

H-411

Certified with standard of water service (JIS K 6353-1997)

Tap water piping

 

62 ±7

Type/Shore A

* With regard to service condition, in the case of food-related, C-55F is certified by the Japan Ministry of Welfare No.85.