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

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

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

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

Fair

Fair-Good

Good

Excellent

Poor-Excel

Excellent

Electrical
Properties-
Insulating

Good

Excellent

Fair

Excellent

Poor-Fair

Fair

Excellent

Electrical
Properties-
Conductive

Fair

Poor

Excellent

Poor

Excellent

Fair

Poor

Impact

Good

Poor-Good

Fair

Good

Fair

Poor-Good

Excellent

Tear

Good

Poor

Poor-Good

Fair

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

Fair-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

Excellent

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

Excellent

Poor

Excellent

Poor

Radiation

Fair-Good

Poor

Fair-Good

Good-Excel

Fair

Fair-Good

Good

Weather

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

Aliphatic
Hydrocarbons

Poor

Excellent

Good

Excellent

Poor-Fair

Poor

Alkali-Dilute
Concentration

Fair-Good

Good-Excel

Fair-Good

Good-Excel

Fair-Good

Aromatic
Hydrocarbons

Poor

Excellent

Good-Excel

Excellent

Fair

Fair-Good

Poor

ATF Type A

Poor

Excellent

Good

Excellent

Good

Poor

Chlorinated
Hydrocarbons

Poor

Excellent

Good-Excel

Poor

Fair-Good

Poor

Diesel Oil

Poor

Excellent

Good

Excellent

Fair

Good-Excel

Poor

Diester
Lubricants

Poor

Excellent

Good

Poor

Fair-Good

Poor

EP Lubricants

Poor

Excellent

Poor

Poor-Fair

Fair

Good

Poor

Ethyl Alcohol

Fair

Good-Excel

Excellent

Good

Excellent

Good

Excellent

Fair

Ethylene Glycol

Excellent

Good

Ethylene
Glycol/Water

Fair-Good

Good

Fair

Good

Excellent

Good

Gasoline

Poor

Excellent

Good-Excel

Fair

Good-Excel

Poor

Hydraulic
Fluids-Petroleum
Base

Poor

Excellent

Poor-Fair

Fair-Good

Poor

Hydraulic
Fluids-Silicate
Ester

Fair

Poor

Excellent

Outstanding

Fair-Good

Good

Poor

Poor-Fair

Hydraulic
Fluids-Phosphate
Ester

Good

Poor

Fair

Good

Poor

Ketones

Good

Fair-Excel

Poor

Fair

Poor

Fair-Good

Good

Lubricating
Oils-High
Aniline

Fair

Poor

Excellent

Good

Good-Excel

Good

Poor

Lubricating
Oils-Low
Aniline

Good

Poor

Excellent

Fair

Fair-Excel

Poor-Fair

Poor

Silicone Oil

Good

Excellent

Good

Poor

Good

Steam-Above
250°F (121°C)

Poor-Fair

Excellent

Fair

Poor-Fair

Poor

Fair

Poor-Fair

Water-212°F
(100°C)

Good

Excellent

Good

Excellent

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