Thông tin kỹ thuật từ trang web:
ASTM
DESIGNATION
|
COMMON
NAME
|
COMPOSITION
|
GENERAL
PROPERTIES
|
CR
|
Neoprene
|
Chlorprene
|
Good weathering
resistance. Flame Retarding. Moderate resistance to petroleum based
fluids. Good
physical
properties
|
NR
|
Natural
|
Isoprene, Natural
|
Excellent
physical properties including abrasion and low temperature resistance. Poor
resistance to petroleum based fluids.
|
IR
|
Polyisoprene
|
Isoprene,
Synthetic
|
Same properties
as natural rubber.
|
IIR
|
Butyl
|
Isobutene-Isoprene
|
Very good
weathering resistance. Low
permeability. Good physical properties.
Poor resistance
to petroleum based fluids.
|
CIIR
|
Chlorinated Butyl
|
Chloro-Isobutene-Isoprene
|
Same general
properties as butyl-see above.
|
NBR
|
Buna N
|
Acrylonitrile-Butadiene
|
Excellent
resistance to petroleum based
fluids. Moderate resistance to aromatics. Good physical properties. |
SBR
|
SBR
|
Styrene-Butadiene
|
Good physical
properties, including abrasion resistance. Poor resistance to petroleum based
fluids.
|
CSM
|
Hypalon
|
Chloro-Sulfonyl
Polyethylene
|
Excellent ozone,
weathering and acid
resistance. Good abrasion and heat resistance to petroleum based fluids. |
EA
|
Vamac
|
Ethylene-Acrylic
Elastomer
|
Outstanding heat,
ozone and oil resistance.
|
EPDM
|
Ethylene
Propylene Rubber
|
Ethylene-Propylene-
Diene-Terpolymer
|
Excellent ozone,
chemical and aging characteristics. Poor resistance to petroleum based
fluids.
|
UHMWPE
|
Polyethylene
|
Polyethylene
Monomeric Plastic
|
Excellent
chemical resistance. Low
permeability. Low coefficiency to friction. |
TELFON/FEP
|
Teflon
|
Fluorinated
Ethylene Propylene
|
Excellent
chemical resistance to almost all chemicals. Low coefficiency to friction, high
strength at elevated temperatures, low
permeability.
Excellent electrical properties, flame resistance.
|
X-LINK
|
Cross-Linked
Polyethylene
|
Polyethylene and
Cross Linking
Agents
|
Excellent
chemical resistance with good heat and electrical properties.
|
MOD. P.E.
|
Modified
Cross-Linked
Polyethylene |
Proprietary
|
Excellent
chemical resistance with good heat and electrical properties.
|
