PolymersCA-81 UVA

Excellent performance and processability. Designed for both injection molding and extrusion processes. Lubricated resin with a high molecular weight. Crystal clear in appearance and can be easily blended with other resins and colors. Suitable for applications requiring extra UV protection and UV blocking.

2.3
Melt Flow Index
  • General Purpose

Optical

TEST METHOD

UNITS

CA-81 UVA

Luminous Transmittance

ASTM D1003

%

92

Haze

ASTM D1003

%

<1.0

Refractive Index

ASTM D542

-

1.49

Yellowness Index

ASTM D1925

-

< 1.0

Other

TEST METHOD

UNITS

CA-81 UVA

Specific Gravity

ASTM D792

-

1.19

Thermal

TEST METHOD

UNITS

CA-81 UVA

Vicat Softening Temperature

ASTM D1525

°F

225

Heat Deflection Temperature Under Load (264 psi)

ASTM D648

°F

208

Melt Flow Rate

ASTM D1238

g/10 min

2.2

Coefficient of Linear Thermal Expansion (-30 to 30°C)

ASTM D696

mm/(mm-oC)

6 X 10^-5

Molding Shrinkage

ASTM D955

%

0.2-0.6

Mechanical

TEST METHOD

UNITS

CA-81 UVA

Tensile Strength

ASTM D638

psi

9700

Elongation

ASTM D638

%

4

Modulus of Elasticity

ASTM D638

psi

500000

Flexural Strength

ASTM D790

psi

16100

Impact Strength – Izod (Notched)

ASTM D256

ft-lb/in

.35

Impact Strength – Falling Weight (1/8”)

ASTM D5420 GB

in-lb

2

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**Applicable to the acrylic substrate

These suggestions and data are based on information we believe to be reliable. They are offered in good faith, but without guarantee, as conditions and methods of use are beyond our control. We recommend that the prospective user determine the suitability of our materials and suggestions before adopting them on a commercial scale.