膜片中使用的橡胶

Dia?Com已经研发了一种很大的橡胶配方(橡胶化合物)库存,来满足大范围的滚动膜片应用需求,并保持一个全职的橡胶化学人员,持续的开发橡胶配方来满足不断变化的工业需求。
Dia?Com使用所有类型的材料,例如,氮化物,EPDM,氯丁橡胶,氟硅树脂,硅胶,SBR,氟橡胶(Viton?),醇和醋酸乙烯酯?。专业的化合物已经被研发出来,包括FDA级别的,NSF61批准的抗氯胺化合物,和UL-1457和EN-549批准的在丙烷中使用的。

证书和认可:

查看我们的ANSI/NSF 61标准证书
查看我们的UL 157 JMST2证书
查看我们的UL 157 JMLU2证书
View our WRAS certificate

查看EN-549证书

橡胶油多样的物理特性,例如,张力强度,延展性,弹性模量,压缩设置,抗撕裂性以及化学兼容性。在选择在滚动膜片中使用的一种橡胶时,所有这些属性都需要考虑。联系Dia?Com代表以指导您选择适当的橡胶。

 

化学兼容性表格

Physical Properties

Elastomer Type
(ASTM Designation)
Butyl
(IIR)
Ethylene
Propylene
(EPDM)
Fluoro-
Carbon
(FKM)
Fluoro-
Silicone
(FVMQ)
Hydrin
(CO/ECO)
Neoprene
(CR)
Nitrile
(NBR)
Silicone
(VMQ)
Styrene
Butadyene
(SBR)
Compression Set
Resistance
Good
Fair
Good-Excel
Fair-Good
Fair-Good
Fair-Good
Good
Good-Excel
Good
Durometer Range
(Shore A)
30-100
30-90
50-95
35-80
30-95
40-95
20-90
25-90
40-100
Elongation %
300-800
200-800
100-450
100-500
300-400
650-850
400-600
90-900
400-550
Tensile Strength
(PSI)
2,000+
1,500-3,000
1,500-3,000
350-850
1,500-2,000
2,000-3,000
1,000-3,500
600-1,500
2,000+
Nitrogen Permeability
Resistance
Excellent
Good
Excellent
Poor
Excellent
Fair
Good
Poor
Fair
Resilience
Excellent
Good
Fair
Good
Good
Excellent
Good
Poor-Excel
Good

 

Mechanical Resistance Properties

Elastomer Type
(ASTM Designation)
Butyl
(IIR)
Ethylene
Propylene
(EPDM)
Fluoro-
Carbon
(FKM)
Fluoro-
Silicone
(FVMQ)
Hydrin
(CO/ECO)
Neoprene
(CR)
Nitrile
(NBR)
Silicone
(VMQ)
Styrene
Butadyene
(SBR)
Abrasion
Good
Good
Good
Fair
Fair-Good
Good
Excellent
Poor-Excel
Excellent
Electrical
Properties-
Insulating
Good
Excellent
Fair
Excellent
Poor-Fair
Fair
Fair
Excellent
Excellent
Electrical
Properties-
Conductive
Fair
Poor
Excellent
Poor
Excellent
Fair
Fair
Poor
Poor
Impact
Good
Good
Poor-Good
Fair
Good
Good
Fair
Poor-Good
Excellent
Tear
Good
Poor
Poor-Good
Fair
Good
Good
Good
Poor-Good
Fair

 

Temperature Resistance Properties

Elastomer Type
(ASTM Designation)
Butyl
(IIR)
Ethylene
Propylene
(EPDM)
Fluoro-
Carbon
(FKM)
Fluoro-
Silicone
(FVMQ)
Hydrin
(CO/ECO)
Neoprene
(CR)
Nitrile
(NBR)
Silicone
(VMQ)
Styrene
Butadyene
(SBR)
Cold Termperature
Flexibility
Good
Good
Fair-Good
Good
Good
Fair
Good
Excellent
Good
Flame
Retardance
Poor
Poor-Fair
Excellent
Outstanding
Fair
Good
Poor-Fair
Fair-Poor
Poor
Heat Aging
Good
Excellent
Outstanding
Outstanding
Excellent
Good
Good
Excellent
Good

 

Environmental Resistance Properties

Elastomer Type
(ASTM Designation)
Butyl
(IIR)
Ethylene
Propylene
(EPDM)
Fluoro-
Carbon
(FKM)
Fluoro-
Silicone
(FVMQ)
Hydrin
(CO/ECO)
Neoprene
(CR)
Nitrile
(NBR)
Silicone
(VMQ)
Styrene
Butadyene
(SBR)
Ozone
Good
Excellent
Outstanding
Outstanding
Excellent
Excellent
Poor
Excellent
Poor
Radiation
Fair-Good
Poor
Fair-Good
Good-Excel
Fair
Fair-Good
Fair-Good
Fair-Good
Good
Weather
Excellent
Excellent
Excellent
Outstanding
Good
Excellent
Good
Excellent
Fair

 

Chemical Resistance Properties

Elastomer Type
(ASTM Designation)
Butyl
(IIR)
Ethylene
Propylene
(EPDM)
Fluoro-
Carbon
(FKM)
Fluoro-
Silicone
(FVMQ)
Hydrin
(CO/ECO)
Neoprene
(CR)
Nitrile
(NBR)
Silicone
(VMQ)
Styrene
Butadyene
(SBR)
Acid-Dilute
Concentration
Fair
Good-Excel
Fair-Good
Good-Excel
Fair-Good
Good-Excel
Fair-Good
Fair-Good
Fair-Good
Aliphatic
Hydrocarbons
Poor
Poor
Excellent
Excellent
Excellent
Good
Excellent
Poor-Fair
Poor
Alkali-Dilute
Concentration
Fair-Good
Good-Excel
Good-Excel
Good-Excel
Fair-Good
Good-Excel
Good-Excel
Good-Excel
Fair-Good
Aromatic
Hydrocarbons
Poor
Poor
Excellent
Good-Excel
Excellent
Fair
Fair-Good
Poor
Poor
ATF Type A
Poor
Poor
Excellent
Excellent
Good
Good
Excellent
Good
Poor
Chlorinated
Hydrocarbons
Poor
Poor
Excellent
Good-Excel
Good-Excel
Poor
Fair-Good
Poor
Poor
Diesel Oil
Poor
Poor
Excellent
Good
Excellent
Fair
Good-Excel
Poor
Poor
Diester
Lubricants
Poor
Poor
Excellent
Excellent
Good
Poor
Fair-Good
Poor
Poor
EP Lubricants
Poor
Poor
Excellent
Excellent
Poor
Poor-Fair
Fair
Good
Poor
Ethyl Alcohol
Fair
Good-Excel
Excellent
Excellent
Good
Excellent
Good
Excellent
Fair
Ethylene Glycol
Excellent
Excellent
Excellent
Excellent
Excellent
Excellent
Excellent
Excellent
Good
Ethylene
Glycol/Water
Fair-Good
Good
Good
Good
Fair
Good
Good
Excellent
Good
Gasoline
Poor
Poor
Excellent
Excellent
Good-Excel
Fair
Good-Excel
Poor
Poor
Hydraulic
Fluids-Petroleum
Base
Poor
Poor
Excellent
Excellent
Excellent
Poor-Fair
Fair-Good
Poor
Poor
Hydraulic
Fluids-Silicate
Ester
Fair
Poor
Excellent
Outstanding
Fair-Good
Good
Good
Poor
Poor-Fair
Hydraulic
Fluids-Phosphate
Ester
Good
Good
Poor
Poor
Poor
Fair
Good
Poor
Ketones
Good
Fair-Excel
Poor
Poor
Fair
Fair
Poor
Fair-Good
Good
Lubricating
Oils-High
Aniline
Fair
Poor
Excellent
Excellent
Excellent
Good
Good-Excel
Good
Poor
Lubricating
Oils-Low
Aniline
Good
Poor
Excellent
Excellent
Excellent
Fair
Fair-Excel
Poor-Fair
Poor
Silicone Oil
Good
Excellent
Excellent
Excellent
Excellent
Excellent
Good
Poor
Good
Steam-Above
250°F (121°C)
Poor-Fair
Excellent
Fair
Poor-Fair
Poor
Fair
Fair
Poor-Fair
Poor-Fair
Water-212°F
(100°C)
Good
Excellent
Excellent
Excellent
Good
Good
Excellent
Excellent
Excellent

 

 

 

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