SD Meshes

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BOPP-SD

Precision woven wire cloth for screen printing

A comprehensive range of specially manufactured wire cloth for screen printing. Stainless steel precision wire, drawn in-house from carefully selected raw materials, are woven into mesh on modern looms by skilled weavers. Stringent specifications, covering all aspects from the raw material through to the final product, ensure the very best quality required by demanding screen printing application such as the electronics industry. 

BOPP-SDC

Calendered Wire Cloth for Screen Printing

For extreme fine line high density printing applications, selecting a thinner mesh allows the screen printer to use a thicker film or emulsion coating, which can in turn improve edge definition of the print (particularly when printing resistors). BOPP's SDC range is a comprehensive selection of calendered wire cloth, developed specifically for screen printing applications. These guaranteed mesh thickness tolerances can only be achieved by using an extraordinarily stable calendering unit. Its total weight is ca. 30,000kgs, with the roll surfaces ground very precisely to achieve an accurate end result which does not affect the aperture size or open area of the mesh.

BOPP-SDS

Ultra-Thin High Strength Wire Cloth for Screen Printing

BOPP-SDS is an ultra-thin stainless steel wire cloth, extremely open and very strong. The exceptionally close and guaranteed mesh thickness tolerances are achieved by careful selection of raw materials, using special alloys, and employing the very latest advanced weaving techniques. High tensioning values allow a minimal off-contact distance, with increased precision of registration for extreme fine line high density printing. A comprehensive range of BOPP-SD stainless steel wire cloth is available world-wide for all screen printing needs. The table below shows the most popular specification. 

 
Specifications
1                     2 3 4                                5 6                                7 8                                
BOPP-SD
Designation		 Mesh
Opening





W
µm		 Wire Diameter





d
mm		 Number of wires
K=Twilled Weave





per cm       per inch (n)             (mesh)
 Open Area





Ao
%		 Mesh Thickness





Average   Min.-Max
D                   D
µm                 µm		 Theoretical
Ink
Volume



Vth

cm3/m2		 Recommended
Screen Tension at




0.1% Res 0.5% Res

N/cm         N/cm
Standard Grades
SD 224/100 224 0.1   31              80 48 215 ± 5.0       ± 5 103                     63-65
SD 160/75 160 0.075   43             105 46 162 ± 4.0       ± 4   75                     44-46
SD 140/65 140 0.065   49             120 47 140 ± 3.0       ± 3   65                     39-41
SD 125/65 125 0.065   53             135 43 140 ± 3.0       ± 3   61                     42-44
SD 118/56 118 0.056   57             145 46 120 ± 2.5       ± 3   55 38-40           35-37
SD 100/50 100 0.05   67             165 44 110 ± 2.5       ± 3   49 36-38           33-35
SD   95/45   95 0.065   71             180 46 102 ± 2.5       ± 3   47 33-35           29-31
SD   90/40   90 0.04   77             200 48   90 ± 2.5       ± 3   43 31-33           25-27
SD   75/36   75 0.036   90             230 46   80 ± 2.5       ± 2   37 30-32           22-24
SD   63/36   63 0.036   97             250 40   80 ± 2.5       ± 2   32 31-33           25-27
SD   56/36   56 0.036 109             270 37   80 ± 2.5       ± 2   30 32-34           28-30
SD   59/32   59 0.032 110             280 42   68 ± 2.0       ± 2   29 29-31           21-23
SD   56/32   56 0.032 114             300 40   68 ± 2.0       ± 2   28 30-32           22-24
SD   50/30   50 0.03 125             325 39   62 ± 1.5       ± 2   24 29-31           21-23
SD   40/28   40 0.028 146             370 35   58 ± 1.5       ± 2   20 29-31           21-23
SD   40/25   40 0.025 154             400 38   51 ± 1.5       ± 2   19 26-28           20-22
SD   40/23   40 0.023 159             400 40   48 ± 1.0       ± 2   19 20-22           15-17
Heavy Grades
SD  100/65 100 0.065 61               150 37 140 ± 3.0       ± 3   51                     50-52
SD    80/50   80 0.05 77               200 38 110 ± 3.0       ± 2   42                     39-41
SD    63/40   63 0.04 97               250 37   90 ± 2.5       ± 3   34 35-37           31-33
SD    56/40   56 0.04 109             270 K 34   88 ± 2.5       ± 2   30 38-40           35-37
SD    42/36   42 0.036 125             325 K 29   76 ± 2.0       ± 2   22 36-38           32-34
SD    36/28   36 0.028 154             400 K 32   60 ± 1.5       ± 2   19 31-33           25-27
SD    32/25   32 0.025 180             450 K 32   54 ± 1.5       ± 2   17 29-31           21-23
SD    25/25   25 0.025 200             450 K 25   54 ± 1.5       ± 2   14 31-33           25-27
Ultra-Thin Grades
SD  300/65 300 0.065   27               70 68 140 ± 3.0       ± 3   95 29-31           21-23
SD  265/50 265 0.050   31               80 71 110 ± 2.5       ± 3   78 29-31           21-23
SD  245/65 245 0.065   32               82 62 140 ± 3.0       ± 3   87 34-37            15-27
SD    90/36   90 0.036   79             200 51   80 ± 2.0       ± 2   41 26-28           20-22
SD    80/30   80              0.030   91             230 53   62 ± 1.5       ± 2   33 20-22           15-17
SD    71/30   71              0.030 100             250 49   60 ± 1.5       ± 2   30 22-24           16-18
SD    67/25   67 0.025 110             280 53   53 ± 1.5       ± 2   28 17-19           13-15
SD    53/24   53 0.024 130             325 47   52 ± 1.5       ± 2   25 17-19           13-15
SD    53/20   53 0.020 137             350 53   42 ± 1.0       ± 2   22 13-15             9-11
SD    45/18   45 0.018 159             400 51   40 ± 1.0       ± 2   20 12-14             8-10