Chemical Resistant Laminate
    • Chemical Resistant Laminate
Product information

Chemical Resistant Laminate techdata

Zhenghang Brand Chemical Resistant Laminate is intended for application to interior horizontal and vertical surfaces where design, appearance, quality, durability, and resistance to relatively harsh acids, alkalis, corrosive salts, and other destructive or staining substances are required. Its application scope covers shelf cabinet, partition board and tabletop used in the laboratories, chemical, medical, scientific, clinics, mortuaries, nursing stations, and other institutional.

 

Zhenghang provide customers with integrated solutions for interior design. Our professional RD team has been designing a lot of especial color and surface finishing. If normal design not you need, let me know.

Size

1220mm×1830mm  (4’×6’)

1220mm×2440mm  (4’×8’)

1220mm×3050mm  (4’×10’)

1220mm×3660mm  (4’×12’)

1525mm×1830mm  (5’×6’)

1525mm×3050mm  (5’×10’)

1525mm×3660mm  (5’×12’)

1830mm×1830mm  (6’×6’)

1830mm×3660mm  (6’×12’)

1300mm×2800mm  (4.3’×9’)

1300mm×3050mm  (4.3’×10’)  

Color

Solid/plain color, fantastic color, wood grain color, metal, wooden veneer or customized color

If you need special color, please contact us.

Surface Finishing

Glossy, Matt, Texture, Horizontal, Embossed and some other especial surfaces


The Chemical Resistant Laminate test report of design as NEMA LD3-2005

Appearance

 

 

 Visual

 

 

Type A defects - smudges/smears/streaks/fingerprints

#A

0

Type B defects - single particles 0.60mm2 or more

#B

0

Type C defects - 3+,each 0.30mm2+,w/in 300mm  d.circ

#C

0

  Thickness Tolerance

 

±0.6mm

  Flatness

max ht

110

  Broken Corners

#/dist. To corner

<1@25mm or <2@13mm

  Squareness

Dif.cross corner lens.

<=6

 

Cross corner lens.

 

  Edge Straightness

Mm dev./m edge len

2mm/m

Light Resistance  --  xenon arc

NE | SL | M | S

SL

Cleanability/Stain Resistance

cleanability sum of scores

20

clean: sum of scores reagents 1-15 //
     stain: list all w/ M || S

1-10:NE | M | S

N

water:0 | 25/bc.sponge:1
     | 25/bk.sod.br:2 | solv:3 | ClO:4 | 5

NE | SL | M | S

N

Boiling Water Resistance

NE | SL | M | S

SL

High Temperature Resistance (oil)

NE | SL | M | S

SL

Ball Impact

impact height (3rep)

600

Dart Impact Resistance

impact height (3con.brk)

300

Radiant Heat Resistance (coil)

ave. 3 samp. in sec

60

Dimensional Change

ave md %

1.20%

 

ave cmd %

1.45%

Tensile Strength

ave md mpa(min)

96

 

ave cmd mpa(min)

72

Tensile Elongation at Break

ave md %

0.87%

 

ave cmd %

0.87%

Flexural Strength

ave md mpa(min)

92

 

ave cmd mpa(min)

84

Flexural Modulus

ave md mpa(min)

9350

 

ave cmd mpa(min)

8230

Izod Impact Strength(notched)

ave md J/m2(min)

11.8

 

ave cmd J/m2 (min)

11.8

Blister Resistance

ave of 3 in sec

60

Wear Resistance

ave.corr.WR  rounded(50)

400

Water Absorption(23°C,24h)           

ave %

1.2%


Cleanability Test/sum of reagents 1-15

reagent #

stain reagent

1

Distilled water

2

50:50 SD-3A ethyl alcohol:water

3

Acetone

4

Household ammonia (non-sudsing)

5

10% Citric acid solution

6

Vegetable cooking oil

7

Freshly prepared coffee

8

Freshly prepared tea

9

Tomato catsup

10

Plain prepared yellow mustard

11

Povidone iodine (10%)

12

Permanent Marker Pen

13

#2 pencil

14

Wax crayon

15

Shoe polish (black paste)


Cleaning steps: (see NEMA LD3 2005 for full descriptions)

1. tap water -- removed = (0).

2. BCS + sponge w/1 kg weight -- 25 cycles -- rinse w/ tap water --removed = (1).

3. BCS + baking soda +brush -- 25 cycles -- rinse w/ tap water --removed = (2).

4. cotton ball + nail polish remover -- rub ≤ 2 minutes-- rinse w/ tap water --removed = (3).

5. cotton ball w/ bleach --2 minutes-- rinse w/ tap water --removed = (4).

6. if reagent remains visible = (5).

reagent

cleaning steps

cleanability score

stain

 

0

1

2

3

4

 

 

1 water

 

 

 

 

 

0

N

2 ethanol

 

 

 

 

 

0

N

3 acetone

 

 

 

 

 

0

N

4 ammonia

 

 

 

 

 

0

N

5 citric acid

 

 

 

 

 

0

N

6 veg. oil

1

 

 

 

 

1

N

7 coffee

 

 

 

 

 

0

N

8 tea

 

 

 

 

 

0

N

9 catsup

 

 

 

 

 

0

N

10 mustard

 

 

 

 

 

0

N

11 iodine

 

 

 

 

 

0

N

12 perm. marker

1

1

 

 

 

2

N

13 pencil

1

 

 

 

 

1

N

14 crayon

1

 

 

 

 

1

N

15 shoe polish

1

1

 

 

 

2

N

 

7



Cleanability = sum of reagent cleaning scores

Stain Resistance = No Effect / Moderate Effect / Severe Effect -- (reagents with cleaning score=5)

No Effect = no visible color or surface change under the specified viewing conditions

Moderate effect = difficult to perceive stain visible at all viewing angles or directions

Severe Effect = easily perceived stain, or permanent change/damage to the decorative surface

cleaning steps:

0 = removed with water

(cleanability score)

1 = 20 cycles spray cleaner on sponge

 

2 = 20 cycles baking soda +spray cleaner on brush

 

3 = nail polish remover

 

4 = bleach

 

5 = not removed -- describe stain as Moderate (M) or Severe (S)

Stain Resistance

N

= No Effect (=cleaning scores 0-4)

 

M

= Moderate Effect -- difficult to perceive stain

 

 

Severe Effect -- easily preceived stain, or damaged

 

S

= surface

cleanability =

NEMA LD3 cleanability score = sum cleaning score for reagents 1-15


Chemical Resistant Laminate storage and installation

Limitations

Chemical Resistant Laminate is not recommended for application directly to plaster, gypsum board, or concrete. It should not be used in areas where temperatures exceed 275°F (135°C) for prolonged periods of time, or for exterior applications. Do not expose to continuous direct sunlight. Do not chop, slice, pound or hammer on sheet surface.

 

Storage

Chemical Resistant Laminate should be stored horizontally, back-to-back, face-to-face, with the top sheet turned face down and a caul board placed on top to protect the material from possible damage and reduce the chance of warpage of the top sheets. The material should be protected from light, heat and moisture, and should never be stored in contact with the floor or an outside wall. It is important that the laminate be stored at a temperature not less than 60°F (16°C) and a relative humidity not less than 40%.

 

Preconditioning

Chemical Resistant Laminates and substrates gain moisture and expand under high relative humidity conditions and lose moisture and shrink under dry relative humidity conditions. Prior to fabrication, allow the laminate and the substrate to acclimate for at least 48 hours at the same ambient conditions. Optimum conditions are approximately 75°F (24°C) and a relative humidity of 45% to 55%. Provisions should be made for the circulation of air around the components. Chemical Resistant Laminate moves about twice as much across the grain as it does in the length direction (sanding direction). Whenever possible, minimize the dimension of the cross grain direction.

Note: Stress cracking can result when high-moisture material is glued to a dry substrate and subsequently exposed to low humidity conditions. Overly dry material, however, may expand and cause bubbling if improperly glued.

 

Cutting

Chemical Resistant Laminate has a special chemical resistant surface. We recommend the use of sharp, carbide tipped cutting blades with low or negative hook angle profiles. Low feed speeds and high tool speeds are also suggested. A board may be clamped to the saw fence to hold the sheet down and prevent flutter and vibration.

 

Substrates

Recommended cores are 45# density, industrial grade particleboard (CS 236-66: Type 1, Grade B, Class 2), Medium Density Fiberboard (MDF), or A-C or better plywood. The substrates should be sanded smooth, clean, free of oil or grease, and uniform in thickness. Do not use drywall (gypsum), plaster, concrete, solid lumber, or underlayment.

 

Adhesives

The strength of the bond between the laminate and the substrate determines the amount of stress that may be transmitted to the substrate. Contact adhesives are the weakest of all recommended adhesives because of their elastomeric nature. PVAc (white glue), urea, and resorcinol adhesives distribute much more of the stress to the substrate, making these assemblies more crack resistant. Follow the adhesive manufacturer’s recommendations.

 

Assembly

Material, equipment, and workmanship should conform to the industry standard practices, conditions, procedures, and recommendations as specified by ANSI/NEMA LD3-1995, Section 4, Architectural Woodwork Quality Standards, DLPA (Decorative Laminate Products Association) and ANSI 161.2-1979 standards. Panel assemblies should be laminated with a suitable balancing sheet to minimize warpage. Always align sanding marks in the same direction. All inside corners of cutouts must be radiused as large as possible, 1/8" (3.18mm) minimum, to avoid stress cracking. The edges and corners should be smooth and free of chips or nicks.

 

Chemical Resistant Laminate use and care

Postforming

Chemical resistant laminate sheets can be formed similarly to conventional HPL, but at a lower temperature. Ideal postforming temperature is 250°F (121°C). Tempilaq® (gray colored) can be used to determine the proper temperature. Chemical resistant laminate sheets can be postformed to a minimum 1/2" (12.7mm) outside radius and 3/16" (4.8mm) inside cove radius. Slight color change in the cove is normal, and does not indicate a product defect. Coves should be formed at 300°–325°F (149°–163°C).

 

Use and Care

Chemical resistant laminate surfaces may be cleaned with a damp cloth and mild detergent. Use of abrasive cleaners, powders, scouring pads, steel wool, sandpaper, etc., will damage the finish and can permanently reduce the stain and chemical resistance of the laminate. Good laboratory practice dictates that all chemical spills should be wiped up promptly. Stubborn stains may be removed by use of organic solvent or hypochlorite bleach, followed by wiping with a soft, damp cloth. If in doubt about the suitability of a particular cleaner or detergent, check with its manufacturer.

 

Color Matching

Chemical resistant laminate sheets incorporate a special integrated coating which gives the product its chemical resistant properties and a slightly different hue from its corresponding standard High Pressure Laminate (HPL) item. This color difference does not constitute a defect. Review actual chemical resistant laminate sample before specifying. Side-by-side matches between chemical resistant laminate sheet and standard HPL sheet are not recommended, while horizontal/vertical matches are acceptable. Samples are available from Zhenghang. Call 0086-519-88508107 or visit www.jszhenghang.com.

 

Chemical and Stain Resistance

The chemicals and reagents listed were placed in contact with the surface of the chemical resistant laminate sheet in a covered method (watch glass cover) for a period of 16 hours prior to visual examination and evaluation. The reagents listed below did not damage the surface of the chemical resistant laminate sheet. Those reagents marked with an asterisk(*) may cause a slight change in gloss or color, depending upon the duration or exposure. Those reagents marked with a double asterisk (**) may cause slight damage, depending upon the duration or exposure. Zhenghang recommends prompt cleanup of all spills, using a damp cloth and mild detergent. If in doubt about the suitability of a particular chemical not listed below, contact Zhenghang at 0086-519-88508107




Acids

Acetic Acid 98%

Hydrochloric Acid 37%

 

Carbolic Acid (phenol) 85%

Nitric Acid 20%

 

Chromic Acid 60%

Nitric Acid 70%**

 

Citric Acid 10%

Perchloric Acid 60%

 

Dichromate Cleaning Solution*

Phosphoric Acid 85%

 

Formic Acid 90%*

Sulfuric Acid 77%

 

Glacial Acetic Acidion

Sulfuric Acid 96%*

Alkalis

Ammonium Hydroxide 28%

Sodium Hydroxide 40%

 

Potassium Hydroxide 15%

Sodium Sulfide 15%

 

Sodium Carbonate saturated

 

Solvents

Acetone

Methyl Ethyl Ketone

 

Amyl Acetate

Methylene Chloride

 

Benzene

Mineral Spirits

 

Carbon Tetrachloride

Naphtha

 

Cresol

Phenol 85% (Carbolic Acid)

 

Denatured Alcohol

Tetrahydrofuran

 

Dioxane

Trichloroethylene

 

Ethyl Acetate

Toluene

 

Furfural

Xylene

General Reagents

Cellosolve

Pine Oil

 

Detergent

Sodium Hypochlorite 5%

 

Gasoline

Clorox

 

Kerosene

Trisodium Phosphate 30%

 

Lysol

Urea 6.6%

 

Nail Polish Remover  

Vegetable Oil

Other Reagents

Calcium Hypochlorite  

Potassium Permanganate 2%*

 

Copper Sulfate 10%  

Sodium Bisulfite

 

Ferric Chloride 10%

Sodium Chloride

 

Phenolphthalein 1%  

Zinc Chloride



Acids

Acetic Acid 98%                            

Hydrochloric Acid 37%

Carbolic Acid (phenol) 85%  

Nitric Acid 20%

Chromic Acid 60%  

Nitric Acid 70%**

Citric Acid 10%

Perchloric Acid 60%

Dichromate Cleaning Solution*

Phosphoric Acid 85%

Formic Acid 90%*

Sulfuric Acid 77%

Glacial Acetic Acidion

Sulfuric Acid 96%*

 

Alkalis

Ammonium Hydroxide 28%

Sodium Hydroxide 40%

Potassium Hydroxide 15%

Sodium Sulfide 15%

Sodium Carbonate saturated

 

Solvents

Acetone

Methyl Ethyl Ketone

Amyl Acetate

Methylene Chloride

Benzene

Mineral Spirits

Carbon Tetrachloride

Naphtha

Cresol

Phenol 85%, (Carbolic Acid)

Denatured Alcohol

Tetrahydrofuran

Dioxane

Trichloroethylene

Ethyl Acetate

Toluene

Furfural

Xylene

 

General Reagents

Cellosolve

Pine Oil

Detergent

Sodium Hypochlorite, 5%

Gasoline

Clorox

Kerosene   

Trisodium Phosphate 30%

Lysol

Urea 6.6%

Nail Polish Remover  

Vegetable Oil

 

Other Reagents

Calcium Hypochlorite  

Potassium Permanganate 2%*

Copper Sulfate 10%  

Sodium Bisulfite

Ferric Chloride 10%  

Sodium Chloride

Phenolphthalein 1%  

Zinc Chloride

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