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Duratop Epoxy Specifications

Click Here to view our Duratop Epoxy Architectural Specifications (PDF)

THICKNESS - In addition to the wide variety of sizes available, DURATOP solid cast epoxy lab work surfaces, with their smooth, non-glare matte finish, are molded in several thickness'. When fabricating Duratop laboratory tops and sheet material at the ISO 9001 certified manufacturing facility, all fabricated cuts are made with diamond tipped, water cooled, rotary saws and sink cutouts, faucet or gas tap holes or other service hole requirements, are cut with CNC diamond tipped routers and drill bits. Typical specification for epoxy countertops in accordance with The Woodworking Institute (W.I.) and its affiliates is 25 mm or 1" Thickness. The maximum span for unsupported epoxy shall not exceeed 48" (1219 mm) without intermediate support. The maximum cantilever shall not exceed 12" (305 mm) without intermediate support.

THICKNESS

IMPERIAL
METRIC
5/8"
15/16 MM
3/4"
19/20 MM
1"
25 MM
1 1/4"
32 MM
1 1/2"
38 MM
2 1/2"
64 MM

MINIMUM Quantities apply for production purposes of some thickness'.

EPOXY CURBING 100 mm (4") typical, also known as applied splash, is supplied loose with each sheet order if required ,
cut to size to match the countertop sizing, or can be field cut from sheet material to meet job requirements. Top front edge is typically eased with a 3/16" Radius, Bevel or chamfer. Epoxy sinks, drain outlets, Pegboards & Stainless Steel Troughs, faucets, eye wash, drench showers, etc., are offered to complete the lab requirement. A drip Groove is typically cut on the underside of the sheet material at a prescribed depth and distance from the edge.

Chamfer

COVED CURB back splash is also offered in 4" molded one piece height. Coved Curb worksurfaces should be used when reducing the number of back splash joints is of high priority or architectural specifications call for integral coved curb splash. They are available in seamless lengths up to 96" [2438mm] and depths up to 38" [965mm]. Other sizes are available.

Coved Curb worksurfaces are integrally molded 1" [25mm] thick with cove tapered at the top to 3/4" (19 MM). By special request, 3/4" or 1-1/4" [19mm or 32mm] thick worksurfaces can be ordered with an Integral curb of 4" [102mm] tall. For other special height integral curbs, please contact ISI for availability.

Both Left and Right side Corner Curbs are also available at a size of 44" finished inches (1118 MM). This corner coved curb comes with a 44" Side Curb (1118 mm) and a integrally molded back splash curb of 44" (1118mm). The depth of 44" can then be fabricated and reduced to the required width or depth of the counter required, be it 25", 30, 31", etc.

Unapplied Marine Edge (UME) Duratop epoxy UME strips are used for attachment on the top surface of counter top material to form a marine edge and offered in 1/4" (6mm) thickness and 8' (2.438 meters) long. Color matching epoxy adhesive is available. Marine edges are also integrally molded on certain sized sheet materials.

See accessories for other Epoxy related products available.

Physical Characteristics

Physical Property
ASTM Method
RESULTS
FLEXURAL STRENGTH
ASTM D790
13,400 psi
MODULUS of RUPTURE
ASTM D790
1,000,000 psi
COMPRESSIVE STRENGTH
ASTM D695
35,000 psi
TENSILE STRENGTH
ASTM D638 / D651
10,700 psi
HARDNESS, ROCKWELL "M"
ASTM D785
Average value of 105 over 5 samples
SPECIFIC GRAVITY (Density)
ASTM D792
126.75 LBS/FT3 / 2.03 g/cc
 
WATER ABSORPTION
ASTM D570
0.01 to 0.02%
HEAT DISTORTION
ASTM D648
331F (166C)
FLAMMABILITY or FIRE RESISTANCE
ASTM D635
DID NOT IGNITE
FALLING BALL IMPACT RESISTANCE
ERF-23-69
NO FRACTURE @ 7 FEET
TEMPERATURE USE LIMIT
331F (166C)
COEFFICIENT OF THERMAL EXPANSION
ASTM E831-06
2.4 x 10-5power in/in per Degree C

1 1 1

Duratop, a Monolithic modified cast epoxy resin, is highly resistant to normally used laboratory alkalis, alcohols, acids and solvents. The following solutions were tested on Black Epoxy for a period of 24 hours, with results indicated when tested with indicated reagents in accordance with NEMA standard LD-3, test procedure 3.9.5.

CHEMICAL RESISTANCE
RESULT
Acetic Acid, Glacial
No Effect
Acetone
No Effect
Ammonium Hydroxide - 28%
No Effect
Amyl Acetate
No Effect
Aqua Regia
No Effect
Benzene
No Effect
Butyl Alcohol
No Effect
Calcium Hypochlorite
No Effect
Carbon Disulfide
No Effect
Chloroform
No Effect
Chromic Acid - Saturated
Slight Spot
Ethyl Alcohol - 95%
No Effect
Ethyl Acetate
No Effect
Formaldehyde - 37%
No Effect
Hydrochloric Acid - 48%
No Effect
Hydrogen Peroxide - 30%
No Effect
Kerosene
No Effect
Methyl Alcohol
No Effect
Nitric Acid - 20, 30 & 70%
No Effect
Phenol - 85%
No Effect
Phosphoric Acid - 85%
No Effect
Silver Nitrate - 10%
No Effect
Sodium Hydroxide - Flake
No Effect
Sodium Hydroxide - 40%
No Effect
Sulfuric Acid - 77%
No Effect
Sulfuric Acid - 96%-98%
Failure
Zinc Chloride
No Effect
Monochlorobenzene
No Effect
Gasoline
No Effect
Toluene
No Effect
Formic Acid - 90%
No Effect
Remel Bactidrop Oxidase Reagent
No Effect
Remel Bactidrop Spot Indole Reagent
No Effect

Evaluation Ratings: Return to Top
1) No Effect - No detectable change in the material surface.
2) Excellent - Slight detectable change in color or gloss.
3) Good - Clearly discernable change in color or gloss.
4) Fair - Objectionable change in appearance due to surface discoloring or etching.
5) Failure - Pitting, cratering or erosion of work surface material. Obvious deterioration.

Fire Resistance

USING ASTM D-635 TEST PROCEDURE, A 3/8" (9.525mm) BUNSEN BURNER WAS OVERTURNED ON THE DURATOP EPOXY WORK SURFACE FOR FIVE (5) MINUTES WITH NO ADVERSE EFFECT. EPOXY RESIN IS SELF EXTINGUISHING AND SHOWS NO BURN RATE, IN ACCORDANCE WITH ASTM METHOD D-635. INDEPENDENT LAB TEST AVAILABLE UPON REQUEST.

ALL INFORMATION DESCRIBED HEREIN IS BASED UPON MANUFACTURERS TESTS AND DATA BELIEVED TO BE ACCURATE AND CURRENT. THE INFORMATION PROVIDED IS TYPICAL AVERAGE VALUES AND CHEMICAL RESULTS MAY BE COLOR DEPENDENT. NO ONE MATERIAL IS SUITABLE FOR ALL THE CONDITIONS POSSIBLE. THEREFORE THE PROPERTIES OF ANY MATERIAL SHOULD BE CHECKED FOR SUITABILITY UNDER THE SPECIFIC CONDITIONS OF EACH INSTALLATION. THE FINAL DETERMINATION FOR SUITABILITY OF DURATOP EPOXY RESIN MATERIALS DESCRIBED ABOVE IS THE SOLE RESPONSIBILITY OF THE USER.

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Click Here to view our Duratop Epoxy Architectural Specifications (PDF)