speciality elastomer

SR Sponge Sheet

Highly Foamed Silicone Rubber Sponge Sheet

【 Features 】

•Excels in heat insulating properties
•Generally usable in wide temp. range of -60~+200°C, depending on the degree of compression.
•Closed cell structure
•Excels in impact resilience
•Expansion ratio: Approximately 4 fold
•Softer and smoother than Low Foamed Silicone Rubber Sponge Sheet, and has fine-cell geometry.

【 Applications 】

•Various gaskets, packings and etc.
•Heat resistant packing material
•Heat resistant cushion materials
•Heat insulating material
•Electronic parts, electrical parts and automobile parts

【 Properties: Highly Foamed Silicone Rubber Sponge Sheet 】

Item
Name
Properties
Apparent
Density
g/cm3
General
Properties
Comp-
ression
Set
150°C
×
24h
%
Heat-Resistant Aging
230°C×72h
Heat
Thermal
Conductivity
W/(m•K)
Color
Standard
Hardness
Type
E
Tensile
Strength
at
Break
MPa
{kgf/cm2}
Elon-
gation
at Break
%
Hardness
Change
Type
E
Change
Rate
of
Tensile
Strength
%
Change
Rate
of
Elongation
at Break
%
SR Sponge Sheet E15 0.3 15
(15)
1.00
{10.2}
250 8 +2 -55 -48 5.0x10-2 Red
  • JIS K 6250
  • *Condition of compression set : Measured in 3hrs after removing 40% compression load.
  • *Please consult us about low hardness type (10°), middle hardness type (20°) and high hardness type (30°) other than listed above.
  • *Please consult us on colors other than the above mentioned standard color.
  • *Test method : Shibayama's acetone-benzene process Conforming to ASTM D4351

【 Dimension 】Width×Length:□500mm

Thickness
(mm)
Tolerance
(mm)
Surface Condition
Both sides skin One side skin
1.5 ±0.3 ×
2 ±0.4 ×
3 ±0.4 ×
4 ±0.4
5 ±0.5
6 ±0.5
7 ±0.7
8 ±0.8
10 ±1.0
12 ±1.0
15 ±1.5
20 ±2.0 ×
30 ±3.0 ×
  • ○: Available ×: Unavailable △: Please consult us.
  • *Please consult us on sizes other than the above listed.

Low Foamed Silicone Rubber Sponge Sheet

【 Features 】

•Excels in heat insulating properties
•Generally usable in wide temp. range of -60~+200°C depending on the degree of compression.
•Excels in impact resilience
•Expansion ratio: Approximately double
•Larger size is available than Highly Foamed Silicone Rubber Sponge Sheet

【 Applications 】

•Various gaskets, packings and etc.
•Heat resistant packing material
•Heat resistant cushion materials
•Electronic parts, electrical parts and automobile parts

【 Properties: Low Foamed Silicone Rubber Sponge Sheet 】

Item
Name
Properties
Apparent
Density
g/cm3
General Properties Comp-
ression
Set
150°C
×
24h
%
Heat-Resistant Aging
230°C×72h
Heat
Thermal
Conductivity
W/(m•K)
Color
Standard
Hardness
Type
E
Tensile
Strength
at
Break
MPa
{kgf/cm2}
Elon-
gation
at Break
%
Hardness
Change
Type
E
Change
Rate
of
Tensile
Strength
%
Change
Rate
of
Elongation
at
Break
%
SPO-35R1 0.54 35(35) 4.9{50} 370 19 -12 -54 -20 7.4X10-2 Red
  • JIS K 6250
  • *Condition of compression set : Measured in 30 min. after removing 25% compression load.
  • *Please consult us on colors other than the above mentioned standard color.
  • *Please consult us on grades other than listed above.
  • *Test method : Shibayama's acetone-benzene process Conforming to ASTM D4351

【 Dimension 】・Width1×Length2m ・Surface Condition: with both side skin

Thickness
(mm)
Tolerance
(mm)
2 ±0.5
3 ±0.5
4 ±0.5
5 ±0.5
6 +0.6, -0.5
7 +0.7, -0.5
8 +0.8, -0.5
10 +1.0, -0.5
11 +1.1, -0.5
12 +1.2, -0.5
15 +1.5, -0.75
20 +2.0, -1.0
  • *1m×3m is also available as custom made product.
  • *These items highlighted in this color     are our standard products.
  • *Please consult us on sizes other than listed above.

Flame-Retardant SR Sponge Sheet

【 Features 】

・Excels in flame-retardancy
・Expansion ratio: Approximately 3.5 fold

<Flame-Retardancy>
・2.1mm(t): Equivalent to UL94HBF
・5.0mm(t): Equivalent to UL94V-O

【 Applications 】

•Various gaskets, packings and etc.
•Heat resistant packing material
•Heat resistant cushion materials
•Electronic parts, electrical parts and automobile parts

【 Properties: Flame-Retardant SR Sponge Sheet 】

Item
Name
Properties
Apparent
Density
g/cm3
General Properties Comp-
ression
Set
150°C×24h
%
Heat-Resistant Aging
230°C×72h
Color
Standard
Hardness
Type
E
Tensile
Strength
at
Break
MPa
{kgf/cm2}
Elon-
gation
at
Break %
Hardness
Change
Type
E
Change
Rate of
Tensile
Strength
%
Change
Rate of
Elongation
at
Break
%
Flame-Retardancy
SR Sponge Sheet
E20
0.4 20
(20)
0.71
{7.20}
190 16 +2 -30 -45 Gray
  • JIS K 6250
  • Condition of compression set : Measured in 3hrs after removing 40% compression load.

【 Dimension 】 ・Width×Length:□500mm

Thickness
(mm)
Tolerance
(mm)
Surface Condition
Both sides skin One side skin
1.5 ±0.3 ×
2 ±0.4 ×
3 ±0.4 ×
4 ±0.4
5 ±0.5
6 ±0.5
7 ±0.7
8 ±0.8
10 ±1.0
12 ±1.2
15 ±1.5
20 ±2.0 ×
30 ±3.0 ×
  • ○: Available ×: Unavailable △: Please consult us.
  • *Please consult us on sizes other than listed above.

•These products should not be incinerated wherever possible because harmful gas to humans might be generated if they are immoderately burned.
•The user is requested to confirm degree of discoloration and contamination by using sample in the case of use contacting with the other items.
•The life of these products at actual use are greatly affected by condition of the use. The user is requested to confirm it by using sample in the case of use under severe condition.

●These descriptions can be altered for a reason of improvement without any notification.
●These descriptions shall be as of January 1, 2017.

function
  • ・Heat Resistance

Inquiry for Details of Our Products

Product specifications, size and design are subject to change without notice for improvement.

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