Product Identification
MelCor II laminate may be used in any application where a solid color edge is desired. MelCor II is intended for use in applications where the edge of the laminate contributes to the aesthetics of the final product. Pionite's patented manufacturing process provides a second generation color-through laminate that is more flexible and much less likely to chip than other color-through laminate.

Multi-toned edges or sandwich colors provide interesting design options. Grooves, bands, patterns, or lettering may be fashioned with the use of routers, engravers, or sandblasting equipment. Solid color MelCor II is also ideal for high-wear applications since gouges and cuts will not readily show.

Due to its unique composition MelCor II colors will vary from corresponding colors in standard Pionite.

Product Composition

MelCor II laminate is manufactured in a flat press by combining decorative papers saturated in melamine resin with multiple layers of pigmented core paper impregnated in a flexible thermoset resin at pressures exceeding 1000 psi (6895 kPa) and temperatures approaching 300 deg. F (150 deg. C). The panels are trimmed to size and the backs are sanded to facilitate bonding. The thickness of the laminate is determined by the number of pigmented core layers used. The laminating process combines the durability of melamine resins with the aesthetics of decorative papers creating a more flexible color through surfacing material than has been previously possible.

Product Description
Standard Nominal Sizes
Type
Thickness*
Width
Length
Colors**
M55/M56 (in)
       (mm)
0.050
1.3
30, 36, 48, 60,
762, 914, 1219, 1524
96, 120, 144
2438, 3048, 3658
Most Solids, Patterns
and Woodgrains
*Other thicknesses up to 1" (25 mm) are available.
**MelCor II colors and corresponding colors in standard Pionite are not exact matches.


Finish Options
Code
Finish
Description
N
Suede
Low gloss, textured finish, 12 + or - 3 gloss units.
G
Gloss
A high gloss, smooth finish, 100 + or - l0 gloss units.
J
Crystal
Fine pebble grained finish with a medium gloss, 15 + or - 3 gloss units.
H
Hi-Brite
Smoothly textured furniture finish, 30 + or - 5 gloss units.
C
Soft Leather
A finely grained leather finish, 14 + or - 3 gloss units.
Available in widths of 48" and 60" only.
L
Embossed
Leather
Deeply embossed leather finish, 5 + or - 1 gloss units.
W
Embossed Slate
Deeply embossed slate finish, 7 + or - 1 gloss units.
Z
Ashwood
A fine wood finish with a cathedral grain, 18 + or - 3 gloss units.
Note: Gloss units measured with a 60 degree gloss meter.






Typical Uses
MelCor II laminate is used in high-end furniture and casework applications where a solid color edge can be incorporated into the total design concept.


Fabrication Tips
When working with MelCor II, these techniques will produce a quality application.

  1. Proper conditioning of the laminate, substrate, and backing sheet minimizes possible warping, shrinking, or expansion of assembled panels. Ideally, all components should be conditioned at 70 deg. F to 75 deg. F (21 deg. C to 25 deg. C) and 45 to 50 percent relative humidity for 48 hours prior to assembly.

  2. Always bond laminate to a suitable substrate such as high quality plywood, medium to high density fiberboard, particleboard, or metals. It should not be glued directly to plaster walls, gypsum wallboard, or concrete.

  3. For virtually invisible seams with MelCor II, use a clear drying adhesive such as white glue (PVA) or clear epoxy, spread thinly.

  4. The use of a backing sheet is recommended to minimize warpage. The thickness of the backing sheet should be relatively equal to the thickness of the decorative laminate on the face of the assembly.

  5. All saw blades and router bits used for cutting should be carbide tipped. Feed rate should be slow and tool speed should be high.

  6. Inside corners of cutouts for electrical outlets, sinks, etc., should have a minimum radius of 1/8" (3 mm) and be filed smooth. This reduces the likelihood of stress cracks.

  7. All edges of laminate should be filed smooth with file direction towards substrate to help prevent stress cracks and to minimize chipping.

  8. When nails or screws must be used, it is advisable to first drill an oversized hole through the laminate. This reduces the likelihood of stress cracks.

  9. Two-inch edging strips can be wrapped around a 6" radius without heat. A radius of 3" can be achieved by heating the edging strip to 325 deg. F (165 deg. C).

  10. All laminate is intended for interior use only, and should not be exposed to extreme humidity, continuous sunlight, or temperatures above 275 deg. F (135 deg. C) for extended periods of time.

  11. Although Melcor II is more flexible than other color-through laminates offered in the market, it is not as flexible as standard decorative laminate. Care should be used when rolling or flexing Melcor II.


Technical Information
Physical Properties

Test
 
NEMA
LD 3-1995
Test
Method
TYPICAL
MELCOR II
VALUES
M55/M56
NEMA STD.
HGS
Thickness
(in.)
(mm.)
 
0.050 = or - 0.003
1.27 + or - 0.080
0.048 + or - 0.005
1.2 + or - 0.12
Wear Resistance
  Solids
  Patterns & Woodgrains
(cycles)
3.13
 
3,500
700
 
400 (min.)
400 (min.)
Ball Impact Resistance
(in.)
(mm)
3.8
55
1397
50 (min.)
1270 (min.)
Dimensional Change
  Machine Direction
  Cross Direction
 
(%)
(%)
3.11
 
0.25
0.70
 
0.50 (max.)
0.90 (max.)
Boiling Water Resistance
 
3.5
No Effect
No Effect
High Temperature Resistance
 
3.6
No Effect
Slight Effect
Radiant Heat Resistance
(sec)
3.10
200
125 (min.)
Cleanability
  Stain 1-10
  Stain 11-15
 
3.4
10
No Effect
No Effect
20 (max.)
No Effect
Moderate Effect
Light Resistance
 
3.3
Slight Effect
Slight Effect
Appearance
 
3.1
Complies
*MelCor II is not covered by ANSI/NEMA LD3 specifications, however, the physical properties are similar to the HGS grade.


Codes and Certifications
  1. The City of New York, Department of Building, Materials, and Equipment Acceptance Division Approval MEA 204-93-M for M55/M56.

  2. MelCor II can only be used for Class III or C fire-rated applications.

  3. International Organization for Standardization, ISO-4586, "Decorative High Pressure Laminates (HPL)."

  4. NSF- International Standard 35, M55/M56 Complies

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