Classification of Materials
MATERIALS
Sakagami Ltd., > Product > Materials > Resistance Properties with Operating Fluids

Resistance Properties with Operating Fluids

Oil

E: Excellent, C: Applicable subject to technical consultation, NR： Not recommended, F: Certain products can be applicable, NT: No data available

Materials Resistance properties Applications
Classification
 Material classification Material No. Operating fluid Fire resistant
operating fluid 		Lubricating oil Grease
 Other fluids
General
petroleum
based
oil		 Low
temperature		 Phosphoric
acid
ester		 Water
polyglycol
solutions		 Water
-in
-oil
emulsions		 High
-water
-base
fluid		 Fatty
acid
ester		 Engine
oil		 Gear
oil		 Break
fluid		 Silicone
oil		 Lithium
based
grease		 Silicone
based
grease		 Chlorine
-based
cutting
oil		 Sulfur
based
cutting
oil		 Aqueous
cutting
oil		 Water Steam
Rubber
NBR
(Nitrile rubber)		 RN503 E E NR E E E E E E NR E E E NR E E E NR Low friction pneumatic packings
RN612 E E NR E E E E E E NR E E E NR E E E NR Low friction pneumatic packings
RN711 C E NR C C C C C C NR NR E E NR C C C NR Low temperature resistant packings
RN712 E E NR E E E E E E NR E E E NR E E E NR Back rings of STK-Seals conformable to
JIS B2401 class 1 material A
RN716 E E NR E E E E E E NR E E E NR E E E NR MYNPackings conformable
JIS B2401 class 1 material A
RN719 E E NR E E E E E E NR E E E NR E E E NR Conformable to JIS B2401-2005 class 1 material A
RN722 E E NR E E E E E E NR E E E NR E E E NR MYPPackings conformable
JIS B2401 class 1 material A
RN729 E E NR E E E E E E NR E E E NR E E E NR PPDPackings
RN801 E E NR E E E E E E NR E E E NR E E E NR OSYPackings
RN803 E E NR E E E E E E NR E E E NR E E E NR Installing Cushion seals
RN807 E E NR E E E E E E NR E E E NR E E E NR SCB-Wipers
RN809 E F NR C C C C E E NR NR E E NR E E E NR （T）SNYPackings
RN812 E F NR C C C C E E NR NR E E NR E E E NR （T）SNYPackings
RN814 E F NR C C C C E E NR E E E NR E E E NR SCK-Wipers
RN818 E E NR E E E E E E NR E E E NR E E E NR PDU、MYRPackings
RN819 E E NR E E E E E E NR E E E NR E E E NR SDB-Wipers
RN903 C F NR C C C C C C NR NR E E NR C C C NR Low temperature resistant packings
RN906 E E NR E E E E E E NR E E E NR E E E NR KY, SKY, HSD, NMY-Packings,
PENTA-SEALS (PS),
SDR, SER-Wipers
RN909 C E NR C C C C C C NR NR E E NR C C C NR Low temperature resistant packings
RN912 E E NR E E E E E E NR E E E NR E E E NR SFR-Wipers
RN917 E E NR E E E E E E NR E E E NR E E E NR Grid-Surface Gaskets
(thickness 0.5mm)
RN918 E E NR E E E E E E NR E E E NR E E E NR Low temperature resistant packings
RN919 E E NR E E E E E E NR E E E NR E E E NR GPY・GNYPackings
RN922 E E NR E E E E E E NR E E E NR E E E NR RNYPackings
RN923 E E NR E E E E E E NR E E E NR E E E NR RGY、RGUPackings
HNBR
(Hydrogenated
Nitrile rubber)		 RP701 E E NR E E E E E E NR E E E NR E E E NR Seals for automotive parts,
pneumatic packings for high temperature (below 100℃)
applications
RP703 E E NR E E E E E E NR E E E NR E F E NR Seals for automotive parts and others
RP705 E E NR E E E E E E NR E E E NR E E E NR Ozone-proof pneumatic packings
RP805 E E NR E E E E E E NR E E E NR E E E NR Seals for solenoid valve
RP806 E E NR E E E E E E NR E E E NR E E E NR Packings for food machinery
RP902 E E NR E E E E E E NR E E E NR E E E NR Seals for automotive parts,
high temperature (135℃ and less) packings and other
products operating with water polyglycol fluid
RP903 E E NR E E E E E E NR E E E NR E F E NR high temperature (135℃ and less) packings and other
products operating with water polyglycol fluid
RP908 E E NR E E E E E E NR E E E NR E E E NR Grid-Surface gasket of ozone resistant
＊NBR
(Nitrile rubber)
＋
PVC
(Polyvinyl chloride) 		RD902 E E NR E E E E E E NR E E E NR E E E NR ALPackings
RD903 E E NR E E E E E E NR E E E NR E E E NR Large diameter AL-Packings
NBR
(Nitrile rubber)
＋
EVA
（酢酸ビニル） 		RD914 E E NR E E E E E E NR E E E NR E E E NR Grid-Surface Gaskets
(Poly Vinyl Chloride free)
EPDM
(Ethylene
propylene rubber)		 RE702 NR NR F E NR NR NT NR NR E F NR F NR NR NR E E Steam resistant (193℃ and less)・
for break fluid・chemical resistant material
RE703 NR NR F E NR NR NT NR NR E F NR F NR NR NR E E Steam resistant (193℃ and less)・
for break fluid・chemical resistant material
RE704 NR NR F E NR NR NT NR NR E F NR F NR NR NR E E Steam resistant (193℃ and less)・
for break fluid・chemical resistant material
RE801 NR NR F E NR NR NT NR NR E F NR F NR NR NR E E Steam resistant (193℃ and less)・
for break fluid・chemical resistant material
RE901 NR NR F E NR NR NT NR NR E F NR F NR NR NR E E Steam resistant (193℃ and less)・
for break fluid・chemical resistant material
FKM
（ふっ素ゴム） 		RF704 E E F NR C C E E E NR E E E E E C E NR High temperature・chemical resistant material
RF807 E E F C C C E E E NR E E E E E C E E Steam resistant (193℃ and less)・
Seals for food processing machines
RF903 E E F NR C C E E E NR E E E E E C E NR High temperature・chemical resistant material
RF905 E E F NR C C E E E NR E E E E E C E NR High temperature・chemical resistant material
RF907 E E F NR C C E E E NR E E E E E C E NR High temperature・chemical resistant material
S-KID rubber
(Specially formulated
Nitrile rubber)		 RK703 C NT NT NT NT NT NT NT NT NT NT E E NT NT NT C NT MYAPackings
Polyurethane rubber RU803 E NT NR NR C C NT E NT NR E E E NT NT NT C NR Packings for railway
breaks and door engines
Resin
S-FLON
(PTFE)		 PT101 E E E E E E E E E E E E E E E E E E Back-up rings for NMY-Packings,
PENTA-Seals and O-rings
PT111 E E E E E E E E E E E E E E E E E E ST・STS・STG-Seals
and PG-Rings,
and other back-up rings
PT114 E E E E E E E E E E E E E E E E E E Back-up rings for GPY・GNY packings
PT141 E E E E E E E E E E E E E E E E E NT- Back-up rings for
high pressure seals
PT151 E E E E E E E E E E E E E E E E E E STH・STR-Seals
PT154 E E E E E E E E E E E E E E E E E NT SMJ-Seals
PT165 E E E E E E E E E E E E E E E E E E Seals for swivel joint and
other products
PT173 E E E E E E E E E E E E E E E E E E Wear rings and others
PT174 E E E E E E E E E E E E E E E E E E STC-Seals
Fabric-reinforced phenol PB201 E E E C C C E E E NR E E E E E C C NT SW・SWA-Wear rings
PB251 E E E C C C E E E NR E E E E E C C NT SWB-Wear rings
Fabric-reinforced
Polyester		 PB271 E E E C C C NT E E NR E E E E E C E NT SWO-Wear rings
Polyester PD101 E NT NT NT NT NT NT NT NT NT NT E E NT NT NT NT NT YCS-Cushion Seals
Polyamide PN104 E E E E E E NT E E E E E E E E E E NT S-LEEVE, PWL and KCS
PN341 E E E E E E NT E E E E E E E E E E NT Back-up rings and other products
Polyacetal PA101 E E NT E E E NT E E E E E E NT E E E NT High pressure back-up rings
for GPY・GNY-Packings
Polyethylene PE102 C C NT E C C NT NR NR NT C C C NT NT NT E NT Seals for food processing machines,
hydraulic (fluid: water) cylinders and other products
Polyester
-fiber complex		 BF001 E E NR C C C NT E E NR E E E NT NT NT C NR Soft Wipers

＊：For NBR+PVC material, the alternative material is taken into account as PVC is designated as an environmentally harmful chemical.

Classification of Materials

Material
Service range, performance data and other figures are best indications for selections of packings while do not carry any functional guarantee.