Polymers CA-990

Outstanding performance, optical clarity, and great light transmissions. Ideally designed for injection moldings of building decoration products such as window blocks. Excellent surface gloss, and practical toughness.

4.0
Melt Flow Index
  • UL-94 HB
  • Impact Modified

Mechanical

TEST METHOD

UNITS

CA-990

Tensile Strength

ASTM D638

psi

7300

Elongation

ASTM D638

%

5.3

Modulus of Elasticity

ASTM D638

psi

290000

Flexural Strength

ASTM D790

psi

11000

Impact Strength – Izod (Notched)

ASTM D256

ft-lb/in

1

Impact Strength – Falling Weight (1/8”)

ASTM D5420 GB

in-lb

32

Thermal

TEST METHOD

UNITS

CA-990

Vicat Softening Temperature

ASTM D1525

°F

233

Heat Deflection Temperature Under Load (264 psi)

ASTM D648

°F

174

Melt Flow Rate

ASTM D1238

g/10 min

4

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

ASTM D696

mm/(mm-oC)

10 X 10^-5

Molding Shrinkage

ASTM D955

%

0.2-0.6

Optical

TEST METHOD

UNITS

CA-990

Luminous Transmittance

ASTM D1003

%

91.6

Haze

ASTM D1003

%

<1.8

Refractive Index

ASTM D542

-

1.49

Yellowness Index

ASTM D1925

-

< 1.0

Other

TEST METHOD

UNITS

CA-990

Specific Gravity

ASTM D792

-

1.17

Flammability

UL 94

-

HB

Relative Thermal Index

UL 746 ABC

°C

50

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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.