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Pleximid® TT70

Category:	Acrylic (PMMI) , Polymethyl Methacrylimide Acrylic
Manufacturer:	Evonik Industries AG
Trademark:	Pleximid®
Fillers:	-
Ports:	Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms	FOB, CIF, DAP, DAT, DDP
PDF:	sqYMFD_Pleximid-TT70.pdf
PRICE:	Order Products email sales@su-jiao.com

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Product Profile:
PLEXIMID® TT70 is a highly heat distortion-resistant poly(n-methyl methacrylimide) (PMMI).

Besides showing the properties common to all PLEXIMID® molding compounds, such as

excellent transmission and clarity,

very high mechanical strength and rigidity,

good weather resistance.

PLEXIMID® TT70 has the following specific
characteristics:

high stability of the optical characteristics at long-lasting thermal load,

highest heat deflection temperature under load.

Application:
PLEXIMID® molding compound is particularly suitable for injection molding of items meant for applications that involve maximum thermal loads. Examples: lenses, light guides, lighting fixtures, covers.

Processing:
PLEXIMID® molding compound can be processed on injection molding machines with standard 3-zone general purpose screws for thermoplastics.

PLEXIMID® is supplied as pellets of uniform size in aluminum-laminated, 25kg polyethylene bags.

General Information
Additive	Mold Release
Features	Good Thermal Stability Good Weather Resistance High Clarity High Heat Resistance High Rigidity High Strength Opticals
Uses	Lenses Lighting Fixtures Protective Coverings
Forms	Pellets
Processing Method	Injection Molding

Physical	Nominal Value	Unit	Test Method
Density	1.21	g/cm³	ISO 1183
Melt Mass-Flow Rate (MFR) (260°C/10.0 kg)	1.7	g/10 min	ISO 1133
Water Absorption (23°C, 24 hr)	6.0	%	ISO 62

Mechanical	Nominal Value	Unit	Test Method
Tensile Modulus	4000	MPa	ISO 527-2/1
Tensile Stress (Break)	80.0	MPa	ISO 527-2/5
Tensile Strain (Break)	3.0	%	ISO 527-2/5

Impact	Nominal Value	Unit	Test Method
Charpy Unnotched Impact Strength (23°C)	20	kJ/m²	ISO 179/1eU

Thermal	Nominal Value	Unit	Test Method
Heat Deflection Temperature
0.45 MPa, Unannealed	158	°C	ISO 75-2/B
1.8 MPa, Unannealed	149	°C	ISO 75-2/A
Vicat Softening Temperature	170	°C	ISO 306/B50

Flammability	Nominal Value		Test Method
Fire Rating	B2		DIN 4102

Optical	Nominal Value	Unit	Test Method
Refractive Index	1.540		ISO 489
Transmittance ¹	91.0	%	ISO 13468-2

Injection	Nominal Value	Unit
Drying Temperature	< 150	°C
Drying Time	2.0 to 3.0	hr
Processing (Melt) Temp	260 to 290	°C
Mold Temperature	130	°C

Note Message
1 .	D65

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