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Possible Tension values for SEFAR® PET high-modulus mesh

Possible Tension values for SEFAR® PET high-modulus mesh

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4PD01081 EN 08/2012<br />

<strong>Possible</strong> <strong>Tension</strong> <strong>values</strong> <strong>for</strong><br />

SEFAR ® <strong>PET</strong> <strong>high</strong>-<strong>modulus</strong> <strong>mesh</strong><br />

mm* N/cm<br />

0.553<br />

0.613<br />

0.691<br />

0.786<br />

0.912<br />

1.086<br />

1.340<br />

1.750<br />

2.455<br />

50<br />

45<br />

40<br />

35<br />

30<br />

25<br />

20<br />

15<br />

10<br />

*Protec STG 75 NA<br />

70<br />

80<br />

80<br />

70<br />

80<br />

70<br />

55<br />

80<br />

70<br />

70<br />

64<br />

70<br />

64<br />

64<br />

70<br />

64<br />

55<br />

55<br />

64<br />

55<br />

48<br />

32 43 45 48 51 54 61 64 68 73 77 81 90 95 100 110 120 130 140 150 165 180 190<br />

<strong>mesh</strong>-count/cm<br />

The stated <strong>values</strong> are in [N/cm] according<br />

to DIN 16611 (screen printing<br />

standard) and measured using<br />

SEFAR ® Tensocheck 100. The above<br />

<strong>values</strong> refer to tensions measured after<br />

stretching only (be<strong>for</strong>e gluing to the<br />

frame). These <strong>values</strong> are valid <strong>for</strong><br />

dimensions of 1x1m. Larger <strong>for</strong>mats will<br />

show a reduction of approx 4% every<br />

0,5 m of additional shank length.<br />

<strong>Tension</strong>ing system requirements<br />

In view to obtain the above <strong>values</strong>, the<br />

per<strong>for</strong>mance of your tensioning system<br />

should be:<br />

– Stretching clamps SEFAR ® 2,<br />

SEFAR ® 3A or any other system that<br />

guarantees even and balanced tension.<br />

– A <strong>mesh</strong> clamping system that does<br />

not allow the <strong>mesh</strong> to slip, even under<br />

<strong>high</strong> tensions. It should be regularly<br />

cleaned and exempted of contaminants<br />

such as oil and dirt.<br />

– <strong>Tension</strong>ing clamps should be regularly<br />

checked in view to avoid sharp edges<br />

which could damage the <strong>mesh</strong>.<br />

– High humidity and <strong>high</strong> temperature<br />

could have influences on stretching<br />

per<strong>for</strong>mances. This may lead to difficulties<br />

during the stretching process.<br />

55<br />

55<br />

48<br />

40<br />

48<br />

40<br />

48<br />

40<br />

40<br />

34<br />

Nominal thread diametre µm<br />

40<br />

34 34<br />

Stretching process / Relaxation:<br />

Loss of tension after gluing process<br />

31<br />

<strong>Tension</strong>ing process lasts up to 3 minutes<br />

until the desirable tension is achieved.<br />

Waiting time approx 3 to 5 minutes<br />

be<strong>for</strong>e gluing the <strong>mesh</strong> on the frame,<br />

the loss of tension after 24 hours will be<br />

10 to 20% <strong>for</strong> respectively, coarse and<br />

fine <strong>mesh</strong>es (any other parameters such<br />

as frame de<strong>for</strong>mation are not taken in<br />

account).<br />

Other causes of loss of tension:<br />

– Poor frame characteristics (profile,<br />

material…)<br />

– Not adequate frame pre-tension<br />

– Quality of the adhesive<br />

– High humidity<br />

Waver: It is exclusively in written agreements that we provide our customers with warrants and representations<br />

as to the technical contained specifications and/or the fitness <strong>for</strong> any particular purpose. The facts<br />

and figures herein are carefully compiled to the best of our knowledge, but they are intended <strong>for</strong> general<br />

in<strong>for</strong>mational purposes only. Current data available on www.sefar.com<br />

34<br />

31<br />

34<br />

31<br />

27<br />

34<br />

31<br />

27<br />

31<br />

27<br />

31<br />

Headquarters<br />

Sefar AG<br />

Hinterbissaustrasse 12<br />

9410 Heiden<br />

Switzerland<br />

Phone +41 71 898 57 00<br />

Fax +41 71 898 57 21<br />

printing@sefar.com<br />

www.sefar.com<br />

Subsidiaries<br />

Sefar Maissa S.A.<br />

08440 Cardedeu (Barcelona), Spain<br />

Phone +34 93 844 47 10<br />

Fax +34 93 844 47 20<br />

Sefar Inc.<br />

Buffalo, New York 14043, USA<br />

Phone +1 800 995 0531<br />

Fax +1 716 685 9469<br />

Sefar S.A. de C.V.<br />

54080 Tlalnepantla, Estado de México, México<br />

Phone +52 55 5394 8689<br />

Fax +52 55 5319 0358<br />

Sefar Printing Solutions Ltda.<br />

09895-003 São Bernardo do Campo, Brazil<br />

Phone +55 11 4390 6300<br />

Fax +55 11 4390 6301<br />

Sefar Singapore Pte. Ltd.<br />

159 Kampong Ampat #05-02 KA<br />

Place, Singapore 368328<br />

Phone +65 6299 9092<br />

Fax +65 6299 6359<br />

Sefar Filtration (India) Pvt. Ltd.<br />

Val Bhiwandi 421302, Dist. Thane, India<br />

Phone +91 2522 2940 34/35/36<br />

Fax +91 2522 2940 37<br />

Sefar Printing Solutions (Shanghai) Co. Ltd.<br />

Shanghai 201108, China<br />

Phone +86 21 6442 6800<br />

Fax +86 21 6442 6866<br />

Sefar Trading (Shenzhen) Co. Ltd.<br />

518048 Futian District Shenzhen, China<br />

Phone +86 755 3398 3868<br />

Fax +86 755 3398 3863<br />

Sefar (International) AG<br />

Kwai Fong N.T., Hong Kong<br />

Phone +852 2650 0581<br />

Fax +852 2638 0580<br />

Sefar Co. Ltd.<br />

Suehiro-cho, Kita-ku Osaka,<br />

Japan 530-0053<br />

Phone +81 6 4709 1070<br />

Fax +81 6 4709 1071<br />

Sefar Pty Ltd<br />

3043 Tullamarine, Victoria, Australia<br />

Phone +61 3 9330 1122<br />

Fax +61 3 9335 2592


4PD01111 EN 08/2012<br />

<strong>Possible</strong> <strong>Tension</strong> <strong>values</strong> <strong>for</strong><br />

SEFAR ® PA polyamide <strong>mesh</strong><br />

mm* N/cm<br />

0.553 50<br />

0.613<br />

0.691<br />

0.786<br />

0.912<br />

1.086<br />

1.340<br />

1.750<br />

2.455<br />

45<br />

40<br />

35<br />

30<br />

25<br />

20<br />

15<br />

10<br />

*Protec STG 75 NA<br />

100<br />

70<br />

90 60<br />

80<br />

90<br />

70<br />

70<br />

60<br />

60<br />

60 50<br />

32 36 40 43 48 54 61 68 77 90 100 110 120 130 140 150 165 180 200<br />

<strong>mesh</strong>-count/cm<br />

The stated <strong>values</strong> are in [N/cm] ac cording<br />

to DIN 16611 (screen printing standard)<br />

and measured using SEFAR ® Tensocheck<br />

100. The above <strong>values</strong> refer to<br />

tensions measured after stretching only<br />

(be<strong>for</strong>e gluing to the frame). These <strong>values</strong><br />

are valid <strong>for</strong> dimensions of 1x1m. It<br />

is not general practice to use frames<br />

larger than this with polyamide <strong>mesh</strong>.<br />

<strong>Tension</strong>ing system requirements<br />

In view to obtain the above <strong>values</strong>, the<br />

per<strong>for</strong>mance of your tensioning system<br />

should be:<br />

– Stretching clamps SEFAR ® 2, SEFAR ®<br />

3A or any other system that guarantees<br />

even and balanced tension.<br />

– A <strong>mesh</strong> clamping system that does not<br />

allow the <strong>mesh</strong> to slip, even under<br />

<strong>high</strong> tensions. It should be regularly<br />

cleaned and exempted of contaminants<br />

such as oil and dirt.<br />

– <strong>Tension</strong>ing clamps should be regularly<br />

checked in view to avoid sharp edges<br />

which could damage the <strong>mesh</strong>.<br />

– High humidity and <strong>high</strong> temperature<br />

could have influences on stretching<br />

per<strong>for</strong>mances. This may lead to<br />

diffi culties during the stretching<br />

process.<br />

Waver: It is exclusively in written agreements that we provide our customers with warrants and representations<br />

as to the technical contained specifications and/or the fitness <strong>for</strong> any particular purpose. The facts<br />

and figures herein are carefully compiled to the best of our knowledge, but they are intended <strong>for</strong> general<br />

in<strong>for</strong>mational purposes only. Current data available on www.sefar.com<br />

44<br />

38 35<br />

38 35<br />

30<br />

Nominal thread diametre µm<br />

Stretching procress / Relaxation:<br />

<strong>Tension</strong>ing process lasts up to 3 minutes<br />

until the desirable tension is achieved.<br />

Waiting time approx. 3 to 5 minutes be<strong>for</strong>e<br />

gluing the <strong>mesh</strong> on the frame. The<br />

loss of tension after 24 hours will be 20<br />

to 30% <strong>for</strong> respectively, coarse and fine<br />

<strong>mesh</strong>es (any other parameters such as<br />

frame de<strong>for</strong>mation are not taken in account).<br />

Other causes of loss of tension:<br />

– Poor frame characteristics (profile,<br />

material…)<br />

– Not adequate frame pre-tension<br />

– Quality of the adhesive<br />

– High humidity<br />

35<br />

30<br />

35<br />

30<br />

35<br />

30<br />

30<br />

30<br />

Headquarters<br />

Sefar AG<br />

Hinterbissaustrasse 12<br />

9410 Heiden<br />

Switzerland<br />

Phone +41 71 898 57 00<br />

Fax +41 71 898 57 21<br />

printing@sefar.com<br />

www.sefar.com<br />

Subsidiaries<br />

Sefar Maissa S.A.<br />

08440 Cardedeu (Barcelona), Spain<br />

Phone +34 93 844 47 10<br />

Fax +34 93 844 47 20<br />

Sefar Inc.<br />

Buffalo, New York 14043, USA<br />

Phone +1 800 995 0531<br />

Fax +1 716 685 9469<br />

Sefar S.A. de C.V.<br />

54080 Tlalnepantla, Estado de México, México<br />

Phone +52 55 5394 8689<br />

Fax +52 55 5319 0358<br />

Sefar Printing Solutions Ltda.<br />

09895-003 São Bernardo do Campo, Brazil<br />

Phone +55 11 4390 6300<br />

Fax +55 11 4390 6301<br />

Sefar Singapore Pte. Ltd.<br />

159 Kampong Ampat #05-02 KA<br />

Place, Singapore 368328<br />

Phone +65 6299 9092<br />

Fax +65 6299 6359<br />

Sefar Filtration (India) Pvt. Ltd.<br />

Val Bhiwandi 421302, Dist. Thane, India<br />

Phone +91 2522 2940 34/35/36<br />

Fax +91 2522 2940 37<br />

Sefar Printing Solutions (Shanghai) Co. Ltd.<br />

Shanghai 201108, China<br />

Phone +86 21 6442 6800<br />

Fax +86 21 6442 6866<br />

Sefar Trading (Shenzhen) Co. Ltd.<br />

518048 Futian District Shenzhen, China<br />

Phone +86 755 3398 3868<br />

Fax +86 755 3398 3863<br />

Sefar (International) AG<br />

Kwai Fong N.T., Hong Kong<br />

Phone +852 2650 0581<br />

Fax +852 2638 0580<br />

Sefar Co. Ltd.<br />

Suehiro-cho, Kita-ku Osaka,<br />

Japan 530-0053<br />

Phone +81 6 4709 1070<br />

Fax +81 6 4709 1071<br />

Sefar Pty Ltd<br />

3043 Tullamarine, Victoria, Australia<br />

Phone +61 3 9330 1122<br />

Fax +61 3 9335 2592


4PD01265 EN 08/2012<br />

<strong>Possible</strong> <strong>Tension</strong> <strong>values</strong> <strong>for</strong><br />

SEFAR ® PME<br />

mm*<br />

0.581<br />

0.613<br />

0.651<br />

0.691<br />

0.734<br />

0.786<br />

0.845<br />

0.912<br />

0.975<br />

N/cm<br />

47.5<br />

45<br />

42.5<br />

40<br />

37.5<br />

35<br />

32.5<br />

30<br />

27.5<br />

*Protec STG 75 NA<br />

54 61 71 100 110 120 130 140 150<br />

The stated <strong>values</strong> are in [N/cm] according<br />

to DIN 16611 (screen printing<br />

standard) and measured using SEFAR ®<br />

Tensocheck 100. The above <strong>values</strong> refer<br />

to tensions measured after stretching<br />

only (be<strong>for</strong>e gluing to the frame). These<br />

<strong>values</strong> are valid <strong>for</strong> dimensions of 1x1m.<br />

Larger <strong>for</strong>mats will show a reduction<br />

of approx 4% every 0,5 m of additional<br />

shank length.<br />

<strong>Tension</strong>ing system requirements<br />

In view to obtain the above <strong>values</strong>, the<br />

per<strong>for</strong>mance of your tensioning system<br />

should be:<br />

– Stretching clamps SEFAR ® 2,<br />

SEFAR ® 3A or any other system that<br />

guarantees even and balanced tension.<br />

– A <strong>mesh</strong> clamping system that does not<br />

allow the <strong>mesh</strong> to slip, even under <strong>high</strong><br />

tensions. It should be regularly cleaned<br />

and exempted of contaminants such as<br />

hardened glue oil and dirt.<br />

– <strong>Tension</strong>ing clamps should be regularly<br />

checked in view to avoid sharp edges<br />

which could damage the <strong>mesh</strong>.<br />

– High humidity and <strong>high</strong> temperature<br />

could have influences on stretching<br />

per<strong>for</strong>mances. This may lead to difficulties<br />

during the stretching process.<br />

48<br />

Waver: It is exclusively in written agreements that we provide our customers with warrants and representations<br />

as to the technical contained specifications and/or the fitness <strong>for</strong> any particular purpose. The facts<br />

and figures herein are carefully compiled to the best of our knowledge, but they are intended <strong>for</strong> general<br />

in<strong>for</strong>mational purposes only. Current data available on www.sefar.com<br />

40<br />

35<br />

35<br />

30<br />

<strong>mesh</strong>-count/cm<br />

35<br />

Nominal thread diametre µm<br />

Stretching process / Relaxation:<br />

Loss of tension after gluing process<br />

30<br />

<strong>Tension</strong>ing process lasts up to 3 minutes<br />

until the desirable tension is achieved.<br />

Waiting time approx 3 to 5 minutes<br />

be<strong>for</strong>e gluing the <strong>mesh</strong> on the frame,<br />

the loss of tension after 24 hours will be<br />

10 to 15% <strong>for</strong> respectively, coarse and<br />

fine <strong>mesh</strong>es (any other parameters such<br />

as frame de<strong>for</strong>mation are not taken in<br />

account).<br />

Other causes of loss of tension:<br />

– Poor frame characteristics (profile,<br />

material…)<br />

– Not adequate frame pre-tension<br />

– Quality of the adhesive<br />

– High humidity<br />

30<br />

30<br />

Headquarters<br />

Sefar AG<br />

Hinterbissaustrasse 12<br />

9410 Heiden<br />

Switzerland<br />

Phone +41 71 898 57 00<br />

Fax +41 71 898 57 21<br />

printing@sefar.com<br />

www.sefar.com<br />

Subsidiaries<br />

Sefar Maissa S.A.<br />

08440 Cardedeu (Barcelona), Spain<br />

Phone +34 93 844 47 10<br />

Fax +34 93 844 47 20<br />

Sefar Inc.<br />

Buffalo, New York 14043, USA<br />

Phone +1 800 995 0531<br />

Fax +1 716 685 9469<br />

Sefar S.A. de C.V.<br />

54080 Tlalnepantla, Estado de México, México<br />

Phone +52 55 5394 8689<br />

Fax +52 55 5319 0358<br />

Sefar Printing Solutions Ltda.<br />

09895-003 São Bernardo do Campo, Brazil<br />

Phone +55 11 4390 6300<br />

Fax +55 11 4390 6301<br />

Sefar Singapore Pte. Ltd.<br />

159 Kampong Ampat #05-02 KA<br />

Place, Singapore 368328<br />

Phone +65 6299 9092<br />

Fax +65 6299 6359<br />

Sefar Filtration (India) Pvt. Ltd.<br />

Val Bhiwandi 421302, Dist. Thane, India<br />

Phone +91 2522 2940 34/35/36<br />

Fax +91 2522 2940 37<br />

Sefar Printing Solutions (Shanghai) Co. Ltd.<br />

Shanghai 201108, China<br />

Phone +86 21 6442 6800<br />

Fax +86 21 6442 6866<br />

Sefar Trading (Shenzhen) Co. Ltd.<br />

518048 Futian District Shenzhen, China<br />

Phone +86 755 3398 3868<br />

Fax +86 755 3398 3863<br />

Sefar (International) AG<br />

Kwai Fong N.T., Hong Kong<br />

Phone +852 2650 0581<br />

Fax +852 2638 0580<br />

Sefar Co. Ltd.<br />

Suehiro-cho, Kita-ku Osaka,<br />

Japan 530-0053<br />

Phone +81 6 4709 1070<br />

Fax +81 6 4709 1071<br />

Sefar Pty Ltd<br />

3043 Tullamarine, Victoria, Australia<br />

Phone +61 3 9330 1122<br />

Fax +61 3 9335 2592

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