AUTOSTAT PRODUCT DATA SHEET

Transcription

1 AUTOSTAT PRODUCT DATA SHEET Heat stabilised polyester film has low residual shrinkage at elevated temperatures. This is essential when tight registration tolerances need to be maintained during multiple printing operations.. PRODUCT DESCRIPTION Autostat is a high quality stabilised polyester film, with a shrinkage specification of <0.3% MD at 50 C (typically <0.% at 20 C), and state of the art lay flat and roll formation properties. It is available in sheets and rolls. Product Range: Autostat CT3 - clear, adhesion treated, 75 micron Autostat CT4 - clear, adhesion treated, 00 micron Autostat CT5 - clear, adhesion treated, 25 micron Autostat CT7 - clear, adhesion treated, 75 micron Autostat HT5 - hazy, adhesion treated, 25 micron Autostat AHU5- hazy, not adhesion treated, 25 micron Autostat - opaque white satin finish, adhesion treated, 25 micron Other grades and thicknesses available on request. 2. PRODUCT APPLICATIONS Autostat is used for the manufacture of membrane and conventional switch circuitry layers such as computer keyboards. Autostat can be used as a general printing substrate where a white background is required, eg labels, insert graphics. As a top circuitry layer Autostat backs up colours on the graphics overlay, increasing their capacity whilst totally hiding the circuitry underneath. The white colour also acts as an excellent reflector for surface mount LEDs. 3. PRODUCT PERFORMANCE THERMAL! Dimensional stability Thicknesses > 75µ MD TD -0.3% 50 C/30 mins (typically -0.% 20 C/30 mins) ±0.05% 50 C/30 mins Autotype Method 75µ MD -0.5% 50 C/30 mins TD ±0.% 50 C/30 mins + indicates expansion - indicates shrinkage MECHANICAL! Roll run out See Test Method Manual Typically <0.% Autotype Method

2 4. TD (transverse direction) SHRINKAGE AT 50 C FOR 30 MINUTES TD shrinkage is much lower than MD shrinkage and may even be completely absent. When the film does not shrink at all a small positive expansion may take place. A typical result for 25µ Autostat would be MD -0.2% and TD +0.02%. 5. INK ADHESION The adhesion treatment used on the CT, HT and WT grades uses the industry standard chemistry. This treatment enhances adhesion of UV curable dielectric ink, but may not be fully compatible with certain conductive silver inks. See chart below. 5. AUTOSTAT INK ADHESION - SUMMARY ACHESON Conductive inks Dielectric inks DU PONT Conductive inks Dielectric inks Treated Autostat Untreated Autostat 725A "" "" 477SS " "" 423SS " # 440A " " 45SS "" # 452SS "" "" 020SS "" # 5000 "" "" 5025 "" "" 5075 "" " 702 " # 508 "" " COATES Conductive inks "" # " # Dielectric inks "" # "" Recommended " Additional testing under user conditions required # Not Recommended These results are intended as a guide only. Full in-house testing is essential to ensure success under user conditions.

3 6. OZONE DEPLETING SUBSTANCES EC Regulation 594/9 classifies ozone depleting substances into a number of different groups, I-VI. Autostat does NOT contain any substance classified in groups I-VI nor have any of the substances been used by Autotype during manufacture. For details of the content of each of the groups, please see separate Ozone Depleting Substances document. The information and recommendations in this publication are believed to be accurate and are offered in good faith but do not constitute specifications. Suggestions concerning uses and applications are only the opinion of Autotype International Limited and users should carry out their own testing procedures to confirm suitability for their purposes. Except in the case of death or personal injury caused by the materials, Autotype International Limited MAKES NO WARRANTY OF ANY KIND AND EXCLUDES ANY STATUTORY WARRANTY EXPRESS OR IMPLIED other than that materials conform to their current applicable standard specification. Statements herein therefore should not be construed as guarantees of satisfactory quality or fitness for purpose. The responsibility of Autotype International Limited for claims arising out of breach of guarantee, negligence, strict liability or otherwise is limited to the purchase price of the material. Suggestions concerning working practices and procedures are based on the practices adopted by existing users of the products and are made in good faith. IT IS THE RESPONSIBILITY OF THE USER TO ENSURE THAT ALL RELEVANT HEALTH AND SAFETY LAWS AND REGULATIONS ARE COMPLIED WITH. Autotype International Limited does not provide any advice on such laws and regulations and accepts no responsibility, express or implied, for breach of such regulations. Statements concerning the use of products described herein should not be construed as recommending the infringement of any patent and no liability for infringement arising out of such use is assumed. APRIL 998

4 AUTOSTAT TECHNICAL DATA. CHEMICAL PROPERTIES Chemical Resistance as for Autotex DIN 42 5 Coefficient of hygroscopic expansion MD 8 x 0-6 (per % RH) TD 7 x 0-6 (per % RH) ICI Method Between 40-80% RH Moisture vapour transmission rate (MVTR) 3.57g/m 2 /24 hours (2.3g for Autostat ) ASTM F Oxygen transmission rate Data derived from ICI literature for 25µ Melinex OD. 8.2ml/m 2 /24 hours (6.5 ml for Autostat ) ASTM 25 C, 77% RH 2. ELECTRICAL PROPERTIES Dielectric strength 25µ 75µ 25kV/mm 05kV/mm ASTM D mm electrodes in dry 25 C Dissipation factor ASTM D50-70 Surface resistivity >0 3 Ω/sq 500Vd.c ASTM 20 C/54% RH Volume resistivity 0 5 Ωm 00 Vd.c ASTM 25 C/000s Data derived from ICI literature for 25µ Melinex OD.

5 3. MECHANICAL PROPERTIES Burst strength.7 MPa ASTM D Elastic modulus 75µ (% secant) Elongation at break 75µ GPa GPa MD 25% TD 80% 20% ASTM D % RH. Strain rate - 50%/minute ASTM D % RH. Strain rate - 50%/minute MIT fold durability >20,000 folds TD 5000 ASTM D Switch life 4 >5 million flexes Autotype Method 3 Tensile strength at break 75µ MPa ( N/mm 2 ) ASTM D Yield point 6% 4% ASTM D Yield strength 95 MPa TD 70MPa ASTM D Data derived from ICI literature for 25µ Melinex OD 2 Adapted to Autotype Method, see Test Method Manual 3 See Test Method Manual 4 Due to high pigment levels switch life can be reduced, this is dependent on switch geometry. We therefore recommend testing of this properly. 4. OPTICAL PROPERTIES Gardner Haze CT3 CT4 CT5 HT5 CT7 9% 00% ASTM D Total luminous transmission CT HT 89% ±2% 85% ±2% 4± ASTM D UV cut off 305nm Adapted to Autotype method, see Test Method Manual

6 5. PHYSICAL PROPERTIES Relative density.40 ASTM D modified to ICI method at 23 C Thicknesses CT3 CT4 HT5 CT5 CT µ 98-06µ 23-33µ 23-33µ 7-86µ 23-33µ Data derived from ICI literature for 25µ Melinex OD 6. THERMAL PROPERTIES Coefficient of thermal expansion Dimensional stability Thicknesses > 75µ 75µ MD 9 x 0-6 cm cm - C - TD 6 x 0-6 cm cm - C - TD 28x0-6 cm cm - C - MD 35x0-6 cm cm - C - MD -0.3% 50 C/30 mins (typically -0.% 20 C/30 mins) TD ±0.05% 50 C/30 mins MD-0.5% 50 C/30 mins TD±0.% 50 C/30 mins + indicates expansion - indicates shrinkage ICI Method between C Autotype Method 2 Maximum processing temperature 50 C Maximum long term use temperature Minimum use temperature 20 C C 0 C -40 C Data derived from ICI literature for 25µ Melinex OD 2 See Test Method Manual

7 7. MISCELLANEOUS Roll properties: Skew <0.% (0mm in 0m) Adhesion treatment CT/HT/WT * ICI Melinex 505 type * Slipcoated and films without adhesion treatment are also available The information and recommendations in this publication are believed to be accurate and are offered in good faith but do not constitute specifications. Suggestions concerning uses and applications are only the opinion of Autotype International Limited and users should carry out their own testing procedures to confirm suitability for their purposes. Except in the case of death or personal injury caused by the materials, Autotype International Limited MAKES NO WARRANTY OF ANY KIND AND EXCLUDES ANY STATUTORY WARRANTY EXPRESS OR IMPLIED other than that materials conform to their current applicable standard specification. Statements herein therefore should not be construed as guarantees of satisfactory quality or fitness for purpose. The responsibility of Autotype International Limited for claims arising out of breach of guarantee, negligence, strict liability or otherwise is limited to the purchase price of the material. Suggestions concerning working practices and procedures are based on the practices adopted by existing users of the products and are made in good faith. IT IS THE RESPONSIBILITY OF THE USER TO ENSURE THAT ALL RELEVANT HEALTH AND SAFETY LAWS AND REGULATIONS ARE COMPLIED WITH. Autotype International Limited does not provide any advice on such laws and regulations and accepts no responsibility, express or implied, for breach of such regulations. Statements concerning the use of products described herein should not be construed as recommending the infringement of any patent and no liability for infringement arising out of such use is assumed. APRIL 998