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产品名称:拜耳 PMMA/PC 复合板
产品详细说明


Bayer Makrofol® SR 253

Description and Application Information


Makrofol® SR 253 040002 (formerly Makrofol® TP253) is a clear transparent extruded polycarbonate film with a functional layer based on acrylic. The acrylic top surface offers improved scratch resistance while the polycarbonate back surface provides excellent printabililty. The combination of thin acrylic functional layer and the polycarbonate layer of Makrofol® SR 253 overcomes the low impact resistance of PMMA films. Additionally, Makrofol® SR 253 film has good heat resistance and excellent impact strength.

Makrofol® SR 253 is special designed for Film Insert Moulding (FIM) process. Excellent formability by High Pressure Forming (HPF) as well as thermal forming processes are possible. Due to the acrylic functional layer, Makrofol® SR 253 can be used as well for injection overmolding or backmolding with PMMA or PC resins giving high film/resin adhesion even passing typcial climate test conditions for automotive interior parts.

Makrofol® SR 253 has been designed to meet requirements of the automotive, IT and EE sector.

Makrofol® SR 253 is available in the standard thickness ranges of 175, 250 and 375 µm. Surface structure is gloss-gloss. Other thicknesses are on request.

Makrofol® SR 253 is supplied with the protective masking on both sides.


Guide data*

General properties

 

Property

Value

Unit of measurement

Method

Density

1.2

g/cm³

ISO 1183, 20°C,

Method C

Gloss

1 - surface

85

digits

ISO 2813, Angle 60°,

backprinted black

Roughness R3z 1 - surface

0.5

µm

following ISO 4287/88

Pencil hardness

F

 

ASTM D 3363, 750 g

Taber abrasion

Haze after 500 cycles

22

%

ASTM D 1044,

ASTM D 1003

 

 

 

Optical properties

 

Property

Value

Unit of measurement

Method

Light transmission

89

%

acc. to ISO 13468-2

Yellowness index

< 1

 

ASTM D 1003

Haze

< 0.5

%

ASTM D 1003

Mechanical properties

 

 

 

Property

Value

Unit of measurement

Method

Stress at break

> 50

MPa

ISO 527-1,3 23°C

Strain at break

> 5

%

ISO 527-1,3 23°C

Tensile modulus

> 2000

MPa

ISO 527-1,3 23°C

* These values provide general information and are not part of the product specification.

 

 

Labeling  and REACH applications      This product data sheet is only valid in conjunction with the latest edition

of the corresponding Safety Data Sheet.

Any updating of safety-relevant information – in accordance with statutory requirements – will only be reflected in the Safety Data Sheet, copies of which will be revised and distributed. Information relating to the current classification and labeling, applications and processing methods and further data relevant to safety can be found in the currently valid Safety Data Sheet.

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