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LAMECO Standard

Reference: LS 5256, Laminated Shims Materials

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Laminated shim, Peel shim, Peelable shim or Peel-off shim

The paragraphs numbered from 1.1 to 1.6 concern material specifications.
In whole chapter 2, physical and mechanical properties are indicated for each of them.
At the end of the chapter 2, you will find an example of a formulation for drawing up demands, plans or any other technical document that may be required.
Description Physical & Mechanical Characteristics Industrial Sectors Examples of Formulation Appendix

Documentation to Download - US Letter Size Letter - Inch   Documentation to Download - A4 Size A4 - Metric

1.1 Shim materials
LS1: Aluminum 1200
LS2: Aluminum 5052
LS18: Aluminum 1050
LS19: Aluminum 1100
LS3: Brass CuZn37, CZ108, C27200, C27700
LS4: Stainless steel AISI 302
LS5: Stainless steel AISI 304
LS6: Stainless steel AISI 304L
LS7: Stainless steel AISI 316
LS8: Stainless steel AISI 316L
LS9: Carbon steel 1010
LS10: Titanium 2TA1
LS11: Titanium TA2
LS12: Single colour polymer
LS13*: Two-colour polymer
LS15*: Carbon fabric
LS16: PLUS glass fabric
LS21: High-Density glass fabric
LS17: BCRW fabric
LS20: Polyimide
LS22: PolyEtherEtherKetone (PEEK)
* LS14 has been superseded.

For the whole range of CURVPEEL®, INSTANT-PEEL®, PEELSTICK® or SILENTLINE® products, put "CP", “IP”, "PST" or "S" in front of the material required (for examples: IPLS7 for AISI 316 stainless steel in INSTANT-PEEL® or SLS9 for AISI 1010 steel in SILENTLINE®).

Note: Other materials can also be made. Replies by return of e-mail.

1.2 Type
A: Fully laminated
B: Half-laminated (See Type B shim materials in 1.6)
C: Metallic bilaminate (The products of the DUOPEEL® range are bi-laminated by nature, since they are composed of LS12 and LS1)
D: Laminated part + solid part + laminated part

1.3 Total thickness
X = Total thickness

1.4 Thickness of Laminated Sheets
1: .0002" / 0,005 mm (prototype LS17 under test)
2: .0004"/0,01 mm
3: .0005"/0,012 mm
4: .0007"/0,019 mm
5: .0009"/0,023 mm
6: .001"/0,025 mm
7: .002"/0,05 mm
8: .003"/0,075 mm
9: .004"/0,1 mm
10: .0043"/0,11 mm
11: .008"/0,2 mm

1.5 Thickness of Laminated sheets / materials

LS1, LS2, LS7, LS19 : 7, 8
LS4, LS6, LS8, LS11, LS16 : 7, 8, 9
LS5 : 2, 6, 7, 8, 9
LS3, LS9, LS10 : 6, 7, 8, 9
LS12, LS22 : 3, 4, 5, 6, 7, 8, 9 & 11
LS13 : 3, 4, 5, 7
LS15 : 10
LS17 : 1
LS18 : 7, 9, 11
LS20 : 8
LS21 : 9

1.6 Materials (Type B: Solid Part)
1: Aluminum A5
2: Aluminum 2024T3
3w: Stainless steel 304
3y: Stainless steel 304L
4w: Carbon steel DC01
4y: Carbon steel DC04
5: Titanium AB-1
6: Cotton / phenolic resin fabric
7: Single color polymer

Note: the thickness of the solid part - when a solid part is required - is always half of total thickness.


1.7 Thickness of Solid Part
11: .0078"/0,2 mm
12: .0098"/0,25 mm
13: .016"/0,4 mm
14: .02"/0,5 mm
15: .024"/0,6 mm
16: .031"/0,8 mm
17: .039"/1 mm
18: .047"/1,2 mm
19: .059"/1,5 mm
20: .079"/2 mm
21: .098"/2,5 mm
22: .012"/3 mm
23: .016"/4 mm
24: .2"/5 mm
25: .24"/6 mm

1.8 Solid Parts / Materials
1: 14, 16, 17, 19, 20, 21, 22, 23, 24
2: 16, 18, 19, 20
3w: 14, 16, 17, 19, 20, 21, 22, 23, 24, 25
3y: 14, 16, 17, 19, 20, 21, 22, 23, 24, 25
4w: 14,16, 17, 19, 20, 21, 22
4y: 14,16, 17, 19, 20, 21, 2
5: 17, 19, 20
6: 12, 16, 18, 19
7: 11

The foregoing data are our standard thicknesses. Other thicknesses are available. Please consult us.

2.1 Densities
LS1, LS2 & LS18: 2.8
LS3: 8.5
LS4 à LS8: 8.2
LS9: 7.85
LS10 & LS11: 4.5
LS12 & LS13: 1.395
LS15: 1.05 (10)
LS16: 1.37 (8) & 1.39 (9)
LS17: 1
LS19: 2.71
LS20: 1.42
LS21: 1.35
LS22: 1.3

2.2 Comprensive fracture strength limits
LS1 to LS11, LS18 & LS19: 1 900 MPa (physical limit of the test machine: no fracture)
LS12 & LS13: 600 MPa
LS15: 1 570 MPa
LS16 & LS17: 1 900 MPa (physical limit of the test machine: no fracture)
LS22: 450 MPa

Test results supplied on request.

2.3 Permanent residual deformations
This data is communicated on request by return of e-mail.

2.4 Resin temperature resistance (*)
LS1 to LS11, LS18 & LS19: 392°F/200°C
LS12, LS13 and LS20: 266°F/130°C
LS15: 572°F/300°C
LS16 & LS17: 698°F/370°C
LS22: 572°F/300°C

(*) Due to the extremely small quantities of the binding agent used, its destruction above the listed temperature does not affect the shim's operational performance.

2.5 Materials’ maximum temperature resistance as per 1.1 above
This data is communicated on request by return of e-mail.

2.6 Minimum (negative) temperature resistance
This data is communicated on request by return of e-mail.

2.7 Peeling strength
This data is communicated on request by return of e-mail.

2.8 Behaviour Under Immersion
This data is communicated on request by return of e-mail.

3. Industrial sectors (non-exhaustive list)

  • Defense
  • Space: launchers, satellites
  • Formula 1
  • Medical engineering
  • Textile engineering
  • Production machines and machining units
  • Specialized machines
  • Aeronautical equipment: landing gear, aircraft manufacturers, helicopter manufacturers, aircraft engine manufacturers, nacelles, structures
  • Scientific and research equipment
  • Cryogenic systems...

4.1 Type A
A/ Without the standard: PLUS glass fabric, total thickness .079"/2 mm, peelable in .002"/0,05 mm
B/ With the standard: LS16, A, 7, X2

4.2 Type A
A/ Without the standard: Brass CuZn 37, total thickness .20"/5 mm, peelable in .002"/0,05 mm
B/ With the standard: LS3, A, 7, X5

4.3 Type A
A/ Without the standard: Titanium 1, total thickness .047"/1,2 mm, peelable in .001"/0,025 mm
B/ With the standard: LS3, A, 7, X5

4.4 Type A
A/ Without the standard: INSTANTPEEL® Stainless steel AISI 316L, total thickness .098"/2,5 mm, peelable in .004"/0,1 mm
B/ With the standard: LS3, A, 7, X5

4.5 Type A
A/ Without the standard: CURVPEEL®pStainless steel AISI 304, total thickness .12"/3 mm, peelable in .002"/0,05 mm
B/ With the standard: LS3, A, 7, X5

4.6 Type B
A/ Without the standard: Total thickness .079"/2 mm, .039"/1 mm stainless steel AISI 304 peelable in .004"/0,1 mm (peelable part first) + .039"/1 mm solid part stainless steel AISI 304L
B/ With the standard: LS5&3y, B, 9&17, X5

4.7 Type B
A/ Without the standard: Total thickness .24"/6 mm, .12"/3 mm aluminum 1200 peelable in .002"/0,05 mm (peelable part first) + .12"/3 mm solid part aluminum A5
B/ With the standard: LS1&1, B, 7&22, X6

4.8 Type B
A/ Without the standard: Total thickness .18"/4,5 mm, .020"/0,5 mm carbon steel 1010 peelable in .001"/0,025 mm (peelable part first) + .16"/4 mm solid part carbon steel D01
B/ With the standard: LS9&4w, B, 6&23, X4.5

4.9 Type C
A/ Without the standard: INSTANT-PEEL® Stainless steel AISI 304, total thickness .39"/10 mm, 1st part thickness (highest value first) .385"/9,8 mm peelable in .004"/0,1 mm & 2nd part thickness .008"/0,2 mm peelable in .0004"/0,01 mm
B/ With the standard: IPLS5, C, 7&2, X10=9.8+0.2

4.10 Type C
A/ Without the standard: DUOPEEL®, total thickness .098"/2,5 mm, 1st part thickness (highest value first) .09"/2,3 mm single color polymer peelable in .004"/0,1 mm & 2nd part thickness .008"/0,2 mm two-color polymer peelable in .001"/0,025 mm
B/ With the standard: LS12&LS13, C, 9&6, X2.5=2.3+0.2

4.11 Type D
A/ Without the standard: Total thickness .24"/6 mm, 1st part thickness (peelable part with highest value first) .067"/1,7 mm carbon steel 1010 peelable in .004"/0,1 mm + .16"/4 mm solid part carbon steel D01 + 2nd part thickness .012"/0,3 mm carbon steel 1010 peelable in .002"/0,05 mm
B/ With the standard: LS9&4w, D, 9&23&7, X6=1.7+4+0.3

4.12 Type D
A/ Without the standard: Total thickness .25"/6,3 mm, 1st part thickness (peelable part with highest value first) .15"/3,8 mm stainless steel AISI 304 peelable in .004"/0,10 mm + .06"/1,5 mm solid part stainless steel AISI 304 + 2nd part thickness .039"/1 mm stainless steel AISI 3014 peelable in .001"/0,025 mm
B/ With the standard: LS5&3w, D, 9&19&6, X6.3=3.8+1.5+1

5.1 Solid Shims
Aluminum 1200
Aluminum 5052
Aluminum 1050
Aluminum 1100
Brass CuZn37, CZ108, C27200, C27700
Stainless steel AISI 302
Stainless steel AISI 304
Stainless steel AISI 304L
Stainless steel AISI 316
Stainless steel AISI 316L
Carbon steel 1010
Titanium 1 (T35)
Titanium 2 (T40)
Single color polymer
Tinted polymer
Polyimide
PolyEtherEtherKetone (PEEK)
Polytetrafluoroethylene (PTFE) Patent Pending
See the available thicknesses for peelable materials (§ 1.3).

5.2 Sheets
Aluminum A5
Aluminum 2024T3
Stainless steel 304
Stainless steel 304L
Stainless steel 316
Stainless steel 316L
Carbon steel DC01
4y: Carbon steel DC04
Titanium AB-1
Brass CuZn36

See the available thicknesses for solid parts (§ 1.7) and consult us for materials other than those mentioned in § 1.6.