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PRODUCTS
RUBBER SHEETS

Rubber Sheets

Introducing the Samik of Special Rubber Sheets.

Relative Properties of Rubber

NR SBR BR EPDM IIR CR NBR T O ECO CSM FKM ACM CM U
Tensil Strength (gum) E P P P F E P P P F G G-E P F -
Tensil Strength (reinforced) E G-E G G-E G G-E E F F G G-E G-E F-G G G-E
Tear Strength (cold) G F-G G G G G F G F F F F P G G
Tear Strength (hot) G F F E F G P P P - - - - - G
Abrasion Resistance G F F E F G P P P - - - - - G
Atm ospheric Aging P P P-F E G-E E E F F G E G F E E
Oxidation Resistance G G G E G-E G F E E VG E E E E E
Heat Resistance G G G G G-E G G F E VG E E G E F-G
Low Temperature Flexibility E G E G F F F G E F-G F G P G E
Compression Set F-G P-F G G F P-F G P-F E G F VG G VG G
Impermeability F F P-F P-F E G E E F E P P P P G
Flame Resistance P P P P P E P P F F-G G G P G P
Alkali Resistance G G G G VG G F G G VG VG F P-F VG G
Acid Resistance (dilute) G F-G G G E E G G G G E E F VG G
Acid Resistance (conc) F-G F-G G G E G F P F F E E F VG F
Dielectric Properties G-E G G E G-E P-F P G E P-G E G F G-E G-E
(Animal & Vegetable Oil) Resistance P-G P-G P-G P E G E E G E E E VG G G-E
(Oil & Gasoline) P P P P P G E E F E G E G G E
(Aliphatic Hydrocarbon Solvet) P P P P P G E E G G G E E G G
(Aromatic Hydrocarbons) P P P P P F F E G G F-G E F F P
(Chlorinated Solvents) P P P P P P P E F - - - - - -
(Oxygenated Solvents) G G G G G P P G G P P P P P F
P = Poor
F = Fair
G = Good
VG = Very Good
E = Excellent
NR Natural Rubber NBR Acrylonitrile Butadiene Rubber ACM Polyacrylate
SBR Styrene Butadiene Rubber T Polysulfide CM Chlorinated Polyethyene
BR Poly Butadiene Rubber Q Silicone U Polyurethane
EPDM Ethylene Propylene Dine Terpolymer ECO Epichlorohydrin
IIR Isoprene Isobutylene Rubber CSM Sulfonated Polyethylene
CR Chloroprene Rubber FKM Fluororubber

Typical Property

Natural Rubber Sheet
Basic Property After Heat Aging Remark
HS
<-Shore-A->
TB
<-㎏/㎠-><-Ib/in2->
EB
<-%->
SP.GR ΔHS
<-㎏/㎠->
ΔTB
<-%->
ΔEB
<-%->
Color Sheet Gum 45±5 min 120 / 1600 min 700 0.95±0.05 ±10 max - 20 max - 40 70℃ × 70h
White 60±5 min 70 / 900 min 500 1.45±0.05 ±10 max - 25 max - 45
Black Sheet 60±5 min 150 / 2100 min 650 1.15±0.05 ±10 max - 25 max - 40
SBR Sheet
Basic Property After Heat Aging Remark
HS
<-Shore-A->
TB
<-㎏/㎠-><-Ib/in2->
EB
<-%->
SP.GR ΔHS
<-㎏/㎠->
ΔTB
<-%->
ΔEB
<-%->
Black Sheet Gum 60±5 min 30 / 400 min 250 1.50±0.05 ±10 max - 30 max - 45 70℃ × 70h
NBR Sheet
Basic Property After Heat Aging Remark
HS
<-Shore-A->
TB
<-㎏/㎠-><-Ib/in2->
EB
<-%->
SP.GR ΔHS
<-㎏/㎠->
ΔTB
<-%->
ΔEB
<-%->
Color Sheet White 60±5 min 60 / 800 min 450 1.45±0.05 ±10 max - 25 max - 35 70℃ × 70h
Black Sheet 60±5 min 80 / 1100 min 350 1.30±0.05 ±10 max - 25 max - 35
CR Sheet
Basic Property After Heat Aging Remark
HS
<-Shore-A->
TB
<-㎏/㎠-><-Ib/in2->
EB
<-%->
SP.GR ΔHS
<-㎏/㎠->
ΔTB
<-%->
ΔEB
<-%->
Color Sheet White 60±5 min 70 / 900 min 450 1.45±0.05 ±15 max - 30 max - 50 100℃ × 70h
Black Sheet 60±5 min 80 / 1100 min 350 1.35±0.05 ±15 max - 30 max - 45
EPDM Rubber Sheet
Basic Property After Heat Aging Remark
HS
<-Shore-A->
TB
<-㎏/㎠-><-Ib/in2->
EB
<-%->
SP.GR ΔHS
<-㎏/㎠->
ΔTB
<-%->
ΔEB
<-%->
Color Sheet White 60±5 min 40 / 500 min 250 1.35±0.05 ±10 max - 30 max - 50 100℃ × 70h
Black Sheet 60±5 min 50 / 700 min 250 1.25±0.05 ±10 max - 30 max - 45
FKM Sheet
Basic Property After Heat Aging Remark
HS
<-Shore-A->
TB
<-㎏/㎠-><-Ib/in2->
EB
<-%->
SP.GR ΔHS
<-㎏/㎠->
ΔTB
<-%->
ΔEB
<-%->
Dark Brown Sheet 75±5 min 85 / 1200 min 250 1.90±0.05 ±10 max - 30 max - 50 200℃ × 70h
Nonflammable Rubber Sheet
Basic Property After Heat Aging Remark
HS
<-Shore-A->
TB
<-㎏/㎠-><-Ib/in2->
EB
<-%->
SP.GR ΔHS
<-㎏/㎠->
ΔTB
<-%->
ΔEB
<-%->
Black Sheet 60±5 min 80 / 1100 min 350 1.50±0.05 ±10 max - 25 max - 40 100℃ × 70h
Wear Resistance Rubber Sheet
Basic Property After Heat Aging Remark
HS
<-Shore-A->
TB
<-㎏/㎠-><-Ib/in2->
EB
<-%->
SP.GR ΔHS
<-㎏/㎠->
ΔTB
<-%->
ΔEB
<-%->
Black Sheet 60±5 min 110 / 1500 min 350 1.25±0.05 ±10 max - 25 max - 40 100℃ × 70h
Butyl Rubber Sheet
Basic Property After Heat Aging Remark
HS
<-Shore-A->
TB
<-㎏/㎠-><-Ib/in2->
EB
<-%->
SP.GR ΔHS
<-㎏/㎠->
ΔTB
<-%->
ΔEB
<-%->
Black Sheet 60±5 min 80 / 1100 min 500 1.15±0.05 ±5 max - 15 max - 25 70℃ × 70h
Conductive Rubber Sheet
Basic Property After Heat Aging Remark
HS
<-Shore-A->
TB
<-㎏/㎠-><-Ib/in2->
EB
<-%->
SP.GR ΔHS
<-㎏/㎠->
ΔTB
<-%->
ΔEB
<-%->
Surface
Resistivity
<-Ω/S.Q->
Color Layer
(Anti-static)
65±5 min 120 / 1600 min 500 1.20±0.05 ±10 max - 20 max - 35 E8±1.0 100℃ × 70h
Black Layer
(Conductive)
65±5 min 70 / 1000 min 250 1.40±0.05 ±10 max - 25 max - 40 E4±1.0