San Diego Plastics
2220 McKinley Avenue
National City  CA  91950
800/925-4855   619/477-4855   FAX 619/477-4874

IntePro® Standard Products and Tolerances

IntePro® Standard Products and Tolerance

Standard Thickness and Weight of Polypropylene (PP) IntePro
 

Thickness

2 mm

3mm

4mm

5mm

6mm

7mm

8mm

10mm

13mm

16mm

19mm

Unit Weight in g/m2

490

600

750

1000

1400

1700

1800

2000

2500

3300

4000

Unit Weight in lbs/msf

100

123

154

205

287

348

369

410

512

680

820

              Note: PP IntePro of special weight and thickness may be available upon request.

Tolerance of IntePro
 
(a) Width: Mill-Run IntePro: ± 1/8”
    Square-Cut IntePro: ± 1/16”
     
(b) Length: variation is listed in the following table.
 

IntePro Length

Mill-Run IntePro

Square-Cut IntePro

0" to  48"

0" to +3/4"

-1/16" to +1/8"

48" to 96"

0" to  +1 1/2"

-1/8" to +1/4"

> 96"

0" to (1 1/2" + 1/4" x N*)

± 1/4"

              Note: N = (Length of IntePro in inches – 96”) / 24”
(c) Thickness: ± 5%
     
(d) Unit Weight: ± 5%
     
(e) Surface Treatment (ASTM D2578): > 46 dyne/cm (2 to 8 mm in thickness)
    > 42 dyne/cm (10 mm in thickness)
     
(f) Square Tolerance is the difference of the two diagonals of Intepro board.

 

IntePro Length

Mill-Run IntePro

Square-Cut IntePro

0" to  48"

< 3/8"

 < 1/16"

48" to 96"

< 3/4"

 < 1/8"

 > 96"

< (3/4" + 1/4" x N*)

 < 1/4"

              Note: N = (Length of IntePro in inches – 96”) / 24”
(g) Straightness: IntePro may slightly curve in along flute direction. The straightness is related to the ratio of length and width of IntePro board. The more slender the board is, the more obvious the curve is. The straightness can be obtained from measuring the maximum gap between a straight edge and an IntePro board when the two corners of IntePro board touch the straight edge. The tolerance of straightness of mill-run IntePro is listed in the following two tables.
              Length of IntePro is < 96”

Ratio of Length to Width

 0 to 3

 > 3

Straightness Tolerance

 < 1/8"

 < 3/16"

              Length of IntePro is ≥ 96”

Ratio of Length to Width

 0 to 3

 3 to 4

> 4

Straightness Tolerance

< (3/16"+1/16"x N*)

< (3/16"+1/16"x N*)

< (1/4"+1/16"x N*)

              Note: N = (Length of IntePro in inches – 96”) / 24”
(h) Warp is the height of the “hump” when an IntePro board is laid on a flat surface. The warp tolerance can be found out from the following table.
               Length of IntePro is < 96”

Width of IntePro

0" to 24"

24" to 48"

48" to 60"

> 60"

Warp Tolerance

< 1/4"

< 1/2"

< 1"

<1 1/4"

               Length of IntePro is ≥ 96”

Width of IntePro

0" to 24"

24" to 48"

48" to 60"

> 60"

Warp Tolerance

< (3/8"+1/8"xN*)

< (3/4"+1/4"xN*)

< (1 1/4"+1/4"xN*)

< (1 1/2"+ 1/4"xN*)

               Note: N = (Length of IntePro in inches – 96”) / 24”
(i) Shipment on Piece Count: - 0%, + 5% of order piece quantity

           Note: The information is based on our current knowledge and is subjected to change without notice.

 

 
 
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