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TT70 | PLEXIMID

Manufacturer

Röhm GmbH

Resin Name

PMMI resin

Product Name

PLEXIMID

ISO Material Code

-


Basic Properties

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PropertyDetailsInspection MethodsUnitValueNote

Density

Density/ISO 1183

Density

ISO 1183

g/cm^3

1.21

-

Water absorption

Water absorption/ISO 62

Water absorption (saturated, 23℃)

ISO 62

%

6

-



Thermal Properties

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PropertyDetailsInspection MethodsUnitValueNote

Vicat softening temperature

Vicat softening temperature/ISO 306

Vicat softening temperature (B/50)

ISO 306

170

-

Deflection Temperature under Load

Deflection Temperature under Load/ISO 75

Deflection temperature under load (0.45 MPa)

ISO 75

158

-

Deflection temperature under load (1.8 MPa)

ISO 75

149

-

Linear expansion coefficient

Linear expansion coefficient/ISO 11359

Linear expansion coefficient (0-50℃)

ISO 11359

x10^-5/℃

5.7

-



Mechanical Properties

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PropertyDetailsInspection MethodsUnitValueNote

Tensile breaking stress

Tensile breaking stress/ISO 527

Breaking stress (5mm/min)

ISO 527

MPa

80

-

Tensile strain at break

Tensile strain at break/ISO 527

Breaking strain (5mm/min)

ISO 527

%

3

-

Tensile Modulus

Tensile Modulus/ISO 527

Tensile modulus (1mm/min)

ISO 527

MPa

4000

-

Charpy impact strength

Charpy impact strength/ISO 179/1eU

Charpy impact strength (23℃)

ISO 179/1eU

kJ/m^2

20

-



Optical Properties

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PropertyDetailsInspection MethodsUnitValueNote

Total light transmittance

Total light transmittance/ISO13468-2

Total light transmittance (D65)

ISO13468-2

%

91

-

Refractive index

Refractive index/ISO 489

Refractive index (589 nm/23°C)

ISO 489

1.54

-



Building Properties

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PropertyDetailsInspection MethodsUnitValueNote

MVR

MVR/ISO 1133

Melt volume rate, MVR (260℃/10kg)

ISO 1133

cm3/10min

1.7

-



Standard Building Properties

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PropertyDetailsInspection MethodsUnitValueNote

Resin temperature

Resin temperature/

Resin temperature

-

Mold Temperature

Mold Temperature/

Mold temperature (injection molding)

130

About

Drying conditions

Drying conditions/

Drying temperature

2-3hr



Main Applications

LED lamp surroundings, LED light guide parts for automobile headlamps

Key Features

Extremely high heat and weather resistance


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