Central Office : Iran, Karaj | Factory : Eshtehard





General Purpose Polyester Resin

Application :General purpose

NAD-1112 is an orthophthalic, medium viscosity unsaturated polyester resin. It is supplied as a solution dissolved in monomeric styrene


NAD-1112 is designed for application by spray, roller or brush, for contact moulding.

N.B. Peroxide Catalysts are highly reactive and may decompose with explosive violence, or cause fires, if they come into contact with flammable materials, metals or accelerators. For this reason they must never be stored in metal containers or be mixed directly with accelerators.


Typical properties of liquid resin

Properties Unit value Test method
Color Gardner <1 ASTM D 1544
Appearance NA Clear, Yellowish NA
Acid Value mgr KOH/gr Resin <40 ISO 2114
Viscosity mPa.s(cps), @25°C 450±100 ISO 2555
Density g/cm3 1.12-1.15 ASTM D 1475
Solid content Wt% 64±3 ISO 3251
Gel time Min, @25°C 10-20 ISO 2535
Curing time Min, @25°C 8-12 ISO 2535
Peak exothermic
°C, @25°C 160-200 ISO 2535
A °C, @25°C 12-30 ISO 2535
B °C, @25°C 22-40 ISO 2535
b/a 1.5-2.0 ISO 2535

Typical Mechanical Properties of Clear Cured Casting

Properties Unit value Test method
Tensile Strength MPa 50-60 ISO 527-2
Tensile Modulus GPa >3 ISO 527-2
Elongation at Break % 4-8 ISO 527-2
Flexural Strength Mpa 100-110 ISO 178
Flexural Modulus Gpa 3.5±0.5 ISO 178
Heat Distortion
°C 50±5 ISO 75-2
Barcol Hardness 40±1 ASTM D2583
Liner Shrinkage % 1-1.5 ASTM D2566
Water Absorption % 0.3-0.5 ISO 62

Formulation for Room Temperature Curing


Post Curing
For most applications, where the moulded product will be used at ambient temperatures,
satisfactory laminates can be produced without post curing at elevated temperatures, provided
workshop temperatures are not below 20°C.
For more critical applications, where optimum properties are required, or where the service
temperature of the moulding will be above ambient temperature, post curing at elevated
temperature is recommended.
The optimum temperature for
NAD-1112 is 80°C. After release from the mould, laminates
should be allowed to mature for 24 hours at a workshop temperature of not less than 20°C.
before being post cured. Place the part in an oven, suitably supported to prevent warping, and
increase the temperature from ambient to 80°C in 10°C stages.
Leave the moulding at 80°C for three hours, and then switch the oven off. Allow the moulding to
cool slowly in the oven. Post curing is most effective if it is carried out immediately after the 24-
hour maturing period.
Storage Conditions
NAD-1112 is a product sensitive to temperature, light & oxidation. Hence should be stored
indoors in dry place at a temperature between 5 and 25°C. Keep always in the original, unopened
and undamaged containers. Avoid keeping material exposed to sunlight.
NAD-1112 should be stored in the dark in suitable closed containers. It is recommended that the
storage temperature should be less than 20ºC here practical, but should not exceed 30ºC. Ideally,
containers should be opened only immediately prior to use. Where they have to be stored
outside, it is recommended that drums be kept in a horizontal position to avoid the possible ingress of water.
NAD-1112 is supplied in 200kg drums.
Health and Safety
Please see the applicable Material Safety Data Sheets, depending on the curing system used.
All information on this data sheet is based on laboratory testing and is not intended for design
purposes. Nadpolymer makes no representations or warranties of any kind concerning this data.
Due to variance of storage, handling and application of these materials, Nadpolymer cannot
accept liability for results obtained. The manufacture of materials is the subject of granted
patents and patent applications; freedom to operate patented processes is not implied by this


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Logo Nadpolymer
At present, Nad Polymer with a production capacity of 20 thousand tons of resins (10 thousand tons of unsaturated polyester resins, 3 thousand tons of resins and 7 thousand tons of acrylic resins) is serving the country’s chemical industry and if necessary, production companies are ready. Also offers a variety of custom resins.

Central Office

No. 3, 1st Floor, NIKU Complex, 1st shabnam street, ERAM Blvd., MEHRSHAHR, Alborz


Block No. 2439, 2nd GOLDIS, Western QAZALI Blvd., ESHTEHAR Industrial Town, ESHTEHARD, Alborz Province




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Mr Barzegar

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