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.
Natural Soft Rubber (SNR)
Application good for acid, alkali and abrasion resistance
|
Material |
Characteristics |
General Application |
Curing Method |
Hardness |
|
|
Autoclave |
Open steam |
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|
R-4 |
Used in the case of extreme slurry abrasion where R -6 is not sufficient. |
For abrasion resistance of slurry |
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● |
42 ± 7 Type/Shore A |
|
R-5 |
Inadequate for slurry abrasion, but applicable for abrasion with large diameter of coarse particle and high loading. |
For special abrasion resistance |
● |
● |
62 ± 7 |
|
R-6 (R-16) |
Standard grade of natural soft rubber for acid resistance. Alkali-resistance and slurry abrasion resistance shall be separately considered. |
Storage and piping for chemical resistance Suitable for caustic soda |
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62 ± 7 Type/Shore A |
|
R-7 (R-17) |
Inadequate for general acid and alkali resistance. Used for surface application of single or on hard rubber.
|
Hydrofluoric acid resistance (Only a little amount in phosphoric acid) |
● |
● |
67 ± 7 |
|
R-8 (R-18) |
Soft rubber blended with hard rubber for vulcanization. |
Used as SH type (SH-8168, SH-8078, SH-78) |
● |
● |
70 ± 7 Type/Shore A |
|
R-8I |
Compound of low Ca and Mg |
Same as R-6 and R-8 |
● |
● |
42 ± 7 Type/Shore A |
* With regard to service condition, in the case of food-related, R-6 and (R-16) is
certified by the Japan Ministry of Welfare No.85.