Technical Information

What is POLYCARBONATE?

Polycarbonate is an advanced material in the family of Plastics. They are a group of thermoplastic polymers containing carbonate groups in their chemical structures. Polycarbonates used in engineering are strong, tough materials, and some grades are optically transparent. They are easily worked, molded, and thermoformed.

Polycarbonate is an excellent material for plastic profile extrusions because Polycarbonate profiles have great stiffness, toughness, impact resistance and are optically ‘Clear’. Polycarbonate profiles have excellent colorability with a beautiful gloss finish that can mimic glass and metal. Polycarbonate profiles have very good electrical insulation characteristics, do not burn readily, and some people claim that Polycarbonate can be considered "self extinguishing." Additionally, Polycarbonate profiles have great dimensional stability and service temperatures close to 150° C.

Polycarbonate profiles (uV resistant Grade) are an excellent choice for outdoor usage. Polycarbonate profiles have fair to good resistance to solvents, but may have a tendency to stress crack upon exposure to certain chemicals. Polycarbonate profiles have good stain resistance to coffee, tea, fruit juices, inks, soaps, detergents, and cosmetics.

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Characteristics of POLYCARBONATE

Polycarbonates were initially developed in the late 19th century. However, they were not effectively commercialized until the 1950’s. Since then, polycarbonates have been heavily employed in many industries, including Automotive, Aerospace, Construction, and Electrical Components.

Some of the main characteristics of Polycarbonate Profiles are:

  • Outstanding toughness
  • Superior impact strength
  • Ability to reduce wall thickness up to 25% without sacrificing any properties
  • High degree of elasticity; resistant to denting and kinking when bent upon itself
  • Temperature resistance up to 150 degrees C.
  • Excellent optical properties, owing to its high Transparency.
  • Good stiffness relative to other plastic materials

Benefits of POLYCARBONATE PROFILES

Polycarbonate profiles have excellent electrical properties and light transmittance values—typically ranging from 86-90%. In addition, flame retardant grades are available, along with special grades that are ‘clear’ AND ‘flame retardant’ which makes it a main choice for usage in the transportation industry.

Polycarbonate being an extremely strong polymer with high impact resistance, high temperature resistance and excellent optical properties, owing to its high transparency. Due to these properties and the polymer’s shatterproof nature, it is used as a substitute for glass in many instances.

Excellent light transmission is a feature of extruded polycarbonate, which lends itself perfectly to lighting applications and, for years – ‘clear’, ‘ribbed’ and ‘frosted’ Polycarbonate Extrusions have been produced for use with fluorescent lighting. Now, with the growth in the use of LEDs, we offer an ever-expanding portfolio of frost and opal finishes for uses where there is a need to diffuse light or reduce spotting and concurrently maximize light output.

Excellent light transmission is a feature of extruded polycarbonate, which lends itself perfectly to lighting applications and, for years – ‘clear’, ‘ribbed’ and ‘frosted’ Polycarbonate Extrusions have been produced for use with fluorescent lighting. Now, with the growth in the use of LEDs, we offer an ever-expanding portfolio of frost and opal finishes for uses where there is a need to diffuse light or reduce spotting and concurrently maximize light output.

Polycarbonates are extremely versatile. Typical uses for polycarbonate profiles include football helmets, exit lights, bulletproof glass, skylights, and firefighting equipment. It is truly one of the toughest plastic materials available today.

When considering polycarbonate profiles for an extrusion project, you need to ensure that your manufacturer has experience in extruding polycarbonate! KASTRADE has extensive experience in both designing and manufacturing polycarbonate Profiles

PRODUCT DATA SHEET FOR POLY-CARBONATE (PC) EXTRUSIONS

Material Characteristics, Test Standards and Typical Results of PC Profile

s. No. Characteristics Tested Standard Followed Typical Results
1. SHORE HARDNESS D
Rockwell
DIN EN ISO 868 700
2. DENSITY
Gm/cm3
DIN EN ISO 1183 1.20
3. YIELD STRESS
Mpa
DIN EN ISO 527 67
4. ELONGATION – at Yield
%
DIN EN ISO 527 6.3
5. TENSILE MODULUS OF ELASTICITY
MPa
DIN EN ISO 527 2400
6. NOTCHED IMPACT STRENGTH
kJ/m2
DIN EN ISO 179 16
7. THERMAL CONDUCTIVITY
W/m.K
ISO 8302 0.20
8. FIRE BEHAVIOUR ISO 3795
(> 1.00 mm-USFMVSS)
UL 94
Pass
V-0 > 4 mm
9. TEMPERATURE RANGE
0C
0 – 1450
10. OPTICAL REFRACTIVE INDEX ISO 489 1.587
11. OPTICAL TRANSMITTANCE
1.00 µm
2000 µm
4000 µm
ISO 134682 - 2
89%
88%
87%
12. OPTICAL HAZE
3000 µm
ISO 14782 < 0.80%

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