The BA grade economical type Silicone rubber sheet has excellent thermal/cold resistance and weatherability/compression set properties.
The KA grade is a conductive type Silicone rubber sheet containing conductivity imparting parts, such as carbon black, etc., through which electricity passes making it ideal for antistatic materials.
 

[Industrial field]

General industry

Performance

[Applications]

  • BA grade (economical type)
    ・Industrial packing, sheeting.
    ・Heat-resistant rubber parts, cushion material.
    ・Carbon black conductive type.
     
  • KA grade (conductive type)
    ・Packing for communications/information-processing equipment and Antistatic materials.

Characteristics

  • BA grade (economical type)
    ・Excellent compression set properties make it an optimal packing material.
    ・Excellent thermal/cold and chemical resistance/weatherability properties.
     

  • KA grade (conductive type)
    ・Excellent environmental resistance (H_{2}S, SO_{2}, ozone), thermal/cold and chemical resistance/weatherability properties.
    ・Electrical conductivity with 5 Ω/cm resistivity.

Specifications

Product specification table

BA grade (Units: m/m)

Thickness Size Thickness tolerance
0.3 300×300 500×500 ±0.05
0.5 300×300 500×500 ±0.07
1.0 500×500 1,000×1,000 ±0.2
1.5 500×500 1,000×1,000 ±0.2
2.0 500×500 1,000×1,000 ±0.3
3.0 500×500 1,000×1,000 ±0.4
5.0 500×500 1,000×3,000 ±0.5
10.0 500×500 1,000×3,000 ±1.0

Color:Semitransparent, Both sides are non-gloss finish.

KA grade (Units: m/m)

Thickness Size Thickness tolerance
0.3 300×300 − ±0.1
0.4 300×300 − ±0.1
0.5 300×300 500×500 ±0.1
1.0 300×300 500×500 ±0.2
2.0 − 500×500 ±0.3
3.0 − 500×500 ±0.4
5.0 − 500×500 ±0.5

Color:Black, Both sides are non-gloss finish.

Physical properties table

BA grade

Item Units Measured value Test method
Mechanical properties Hardness (durometer type A) − 53 JIS K6249
Elongation at break % 300
Tensile strength Mpa 7.7
Tear strength (Crescent) kN/m 6
Compression set % 8 JIS K6249
(150℃×22Hr, 25% Compression)

KA grade

Item Units Measured value Test method
Mechanical properties Hardness (durometer type A) − 69 JIS K6249
Elongation at break % 240
Tensile strength Mpa 8.0
Compression set % 15 JIS K6249
(150℃×22Hr, 25% Compression)
Electrical properties Volume resistivity Ω・cm 5.7 JIS K6249