SHEET ANTISTATIC MATT
Specification / Drawing : BS: 2050/1978 , IS : 3462 /1986

• Visual Observation 1.5 mm (2 layer) : Should be free from pin holes, blisters, porosit y & visual defects.
  2 mm (3 layer) : Should be free from pin holes, blisters,porosit y & visual defects.
  Electrostatic Properties(Surface Electrical Resistance) (Ohms) As Per Bs : 2050/78 1.5 mm (2 layer) : Top Layer 1X10^8 ; Base Layer 1X10^5 (Conductivity)
  2 mm (3 layer) : Less than 1X10^8
• Thickness (mm) Max I Min I Mean 1.5 mm (2 layer) : The mean thickness shall no t differ bymore than 0.13 mm from that spe cified
  2 mm (3 layer) : The mean thickness shall no t differ by more than 0.13 mm from that spe cified
  
  Variation in Thickness
  1.5 mm (2 layer) : The variation between any two measurements shall no t exceed 0.20 mm
  2 mm (3 layer) : The variation betw een any two measurements shall no t exceed 0.20 mm
  
  Width
  1.5 mm (2 layer) : Shall not be less then that specified and no t 6 mm more then that specified
  2 mm (3 layer) : Shall no t be less then that specified and no t 6 mm more then that specified
  Dimensional Stability Machine direction
  1.5 mm (2 layer) : Change in any linear dimension.
  2 mm (3 layer) : Change in any linear dimension.
  
  Transverse direction
  1.5 mm (2 layer) : shall not exceed 0.40 percent.
  2 mm (3 layer) : shall no t exceed 0.40 percent.
  
  Visual Inspection
  1.5 mm (2 layer) : After the test the specimen shall showno signs of curling.
  2 mm (3 layer) : After the test the specimen shall show no signs of curling.
• Residual Indentation (Mm) 1.5 mm (2 layer) : Shall not exceed 0.10 mm
  2 mm (3 layer) : Shall no t exceed 0.10 mm
  Colour Fastness To Day Light 1.5 mm (2 layer) : The Colour Fastness correspond to at least standard No. 4
  2 mm (3 layer) : The C olor Fastness correspond to at least standard No. 4
• Flexibility (00c For 60 minutes) 1.5 mm (2 layer) : Shall not break crack or show any other signs of failure
  2 mm (3 layer) : Shall no t break crack or show any other signs of failure
  Elastic Product (mj/m³) 1.5 mm (2 layer) : The mean product of tensile strength and elongation shall be no t less than 2MJ/m3.
  2 mm (3 layer) : The mean produc t of tensile strength and elongation shall be no t less than 2MJ/m3.
• Ply Adhesion (kn/m) 1.5 mm (2 layer) : Adhesion between plies in any test piece shall not be less than 1.05 KN/m.
  2 mm (3 layer) : Adhesion between plies in any test piece shall not be less than 1.05 kn/m.
  Moisture Movement (%) Machine direction & Transverse direction
  1.5 mm (2 layer) : Change in any linear dimensions
  
  shall not exceed 0.4 percent.
  2 mm (3 layer) : Change in any linear dimensions shall no t exceed 0.4 percent.
• Curling (mm) 1.5 mm (2 layer) : Shall not exceed 0.75 mm
  2 mm (3 layer) : Shall no t exceed 0.75 mm
  Heat Ageing And Exudation (At 700c For 15 Days) 1.5 mm (2 layer) : No exudation of plasticizer shall be apparent nor shall there be any change in appearance. The mandrel test shall no t produce surface cracking
  
  2 mm (3 layer) : No e xudation of plasticizer shall be apparent nor shall there be any change in appearance. The mandrel test shall no t produce surface cracking