Polycarbonate Sheets & Roofing Sheets

Polycarbonate Sheets

Polycarbonate Sheets

Polycarbonate sheets are resilient, transparent thermoplastic materials, prized for their strength, impact resistance, and optical clarity. These sheets are lightweight, yet incredibly durable, making them suitable for various demanding applications. Their remarkable impact resistance, often compared to that of bulletproof glass, makes them favored for protective applications such as safety shields, security glazing, and machine guards. Polycarbonate sheets offer exceptional UV resistance and weatherability, ensuring long-term performance in outdoor environments. They can be easily fabricated, bent, and thermoformed, enhancing their versatility in construction, signage, and DIY projects. Polycarbonate sheets are a reliable choice for applications demanding both durability and optical excellence.

Technical Property Chart

TYPICAL PROPERTIES of POLYCARBONATE

ASTM or UL test

Property

Unfilled

30% Glass

PHYSICAL

D792

Density (lb/in³) (g/cm³)

0.043

1.2

0.052

1.43

D570

Water Absorption, 24 hrs (%)

0.12

0.12

MECHANICAL

D638

Tensile Strength (psi)

9,500

19,000

D638

Tensile Modulus (psi)

320,000

-

D638

Tensile Elongation at Break (%)

60

10

D790

Flexural Strength (psi)

15,000

23,000

D790

Flexural Modulus (psi)

375,000

1,100,000

D695

Compressive Strength (psi)

12,000

18,000

D695

Compressive Modulus (psi)

240,000

500,000

D785

Hardness, Rockwell

M70 / R118

M92

D256

IZOD Notched Impact (ft-lb/in)

13

2

THERMAL

D696

Coefficient of Linear Thermal Expansion

(x 10-5 in./in./°F)

3.9

1.2

D648

Heat Deflection Temp (°F / °C) at 264 psi

 

270 / 132

 

295 / 146

D3418

Glass Transition Temp (°F / °C)

293 / 145

300 / 149

-

Max Operating Temp (°F / °C)

250 / 121

270 / 132

 

C177

Thermal Conductivity

(BTU-in/ft²-hr-°F)

(x 10-4 cal/cm-sec-°C)

 

1.3

6.9

 

1.3

6.9

 

UL94

Flammability Rating

@ less than .45" (11.5mm) thickness

@ .45" (11.5mm) thickness and above

 

H-B

V-0

 

H-B

V-0

ELECTRICAL

D149

Dielectric Strength (V/mil) short time, 1/8" thick

390

470

D150

Dielectric Constant at 60 Hz

3.17

3.35

D150

Dissipation Factor at 60 Hz

0.0009

0.0011

D257

Volume Resistivity (ohm-cm)at 50% RH

1016

1016

Roofing Sheets

Roofing Sheets

Roofing sheets are essential building materials used for covering and protecting structures. These sheets are typically made from a variety of materials, including metal, asphalt, polycarbonate, and more. They serve as a barrier against the elements, providing insulation, weatherproofing, and aesthetic appeal. Metal roofing sheets, like steel or aluminum, offer longevity and durability, while asphalt shingles are popular for their cost-effectiveness. Polycarbonate roofing sheets are transparent and used for natural lighting. The choice of roofing material depends on factors like climate, budget, and design preferences. Proper installation of roofing sheets is crucial for the longevity and safety of any structure, ensuring protection from rain, wind, and other environmental factors.

Technical Property Chart

Specification
Scratch Hardness (T/B) 1.5 – 2/1 – 1.5 kg
Impact test (in Joules) (Thickness based Soft material) As per Standard
Salt Spray Test (Specific ** Coating Type) 1000 Hrs Pass
Adhesion Test (cross-hatch) 100%
Erichsen Cupping Test As per Standard
Humidity Test 750 – 1000 hrs
T – Bend Test (T = substrate thickness) No Tape Loss
Water Boiling Test As per Standard
Solvent Rub Test (MEK – Double rub) 100DR
Chemical Resistance As per standard
Max. Operating Temp Upto 140 degree C