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This is the free Material Data Center Datasheet of ACRYMID® TT70 - PMMI - Röhm GmbH

Check here, which other Acrymid datasheets, application examples or technical articles are available in Material Data Center

Processing/Physical Characteristics - 機械的特性 - 熱的特性 - 光学特性 - その他の特性. - 機能

Any use of this information falls under the rules of our disclaimer.

商品の説明文

Productprofil:

ACRYMID® TT70 is a highly heat distortion-resistant poly(n-methyl methacrylimide) (PMMI).

 

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

 

• excellent transmission and clarity,

• very high mechanical strength and rigidity,

• good weather resistance.

 

ACRYMID® TT70 has the following specific characteristics:

 

• high stability of the optical characteristics at long-lasting thermal load,
• highest heat deflection temperature under load.

Application:

ACRYMID® molding compound is particularly suitable for injection molding of items meant for applications that involve maximum thermal loads.

Example:

lenses, light guides, lighting fixtures, covers.

Processing:

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

Physical Form / Packaging:

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

Processing/Physical Characteristics	値	単位	テスト基準
ISO データ
メルトボリュームレイト, MVR	1.7	cm³/10min	ISO 1133
温度	260	°C	-
荷重	10	kg	-
溶融時の密度	1150	kg/m³	-

機械的特性	値	単位	テスト基準
ISO データ
引張弾性率	4000	MPa	ISO 527
破壊応力	80	MPa	ISO 527
破壊ひずみ	3	%	ISO 527
シャルピー衝撃強さ, +23°C	20	kJ/m²	ISO 179/1eU
ノッチ付きシャルピー衝撃強さ, +23°C	1.4	kJ/m²	ISO 179/1eA

熱的特性	値	単位	テスト基準
ISO データ
荷重たわみ温度, 1.80 MPa	149	°C	ISO 75-1/-2
荷重たわみ温度, 0.45 MPa	158	°C	ISO 75-1/-2
ビカット軟化温度, B	170	°C	ISO 306

光学特性	値	単位	テスト基準
ISO Data
視感透過率	91	%	ISO 13468-1, -2

その他の特性.	値	単位	テスト基準
吸水率	6	%	Sim. to ISO 62
密度	1210	kg/m³	ISO 1183

機能

特殊な特性

成形加工法.

射出成形.

納入形状.

ペレット.

特殊な特性.

光安定化., 紫外線安定化., 熱安定化., 透明.

領域別の利用可能性

北アメリカ., ヨーロッパ., アジア/太平洋地域., 南・中央アメリカ., 近東/アフリカ

その他の情報

村遜速揃

PREPROCESSING
Predrying temperature: max. 120 °C
Predrying time in a desiccant-type drier: 2 - 3 h
PROCESSING
Melt temperature: 260 - 290°C
Mold temperature: approx. 130°C

耐薬品性

酸
	5wt％酢酸 (23ﾟC)
	10wt％乳酸 (23ﾟC)
	38wt％硫酸 (23ﾟC)
	5wt％硫酸 (23ﾟC)
アルコール
	イソプロピルアルコール23℃ (23ﾟC)
炭化水素
	ヘキサン (23ﾟC)
鉱油
	SAE 10W40 マルチグレードモーターオイル (23ﾟC)
標準燃料
	標準燃料（ISO 1817液C)アルコールなし (23ﾟC)
	標準燃料（ISO 1817液4)アルコールあり (23ﾟC)
	ディーゼル燃料（ISO 1817液F) (23ﾟC)
その他
	水 (23ﾟC)

Disclaimer

Copyright Altair Engineering GmbH. Altair Engineering GmbH assumes no liability for the system to be free of errors. The user takes sole responsibility for the use of this data under the exclusion of every liability from Altair Engineering GmbH; this is especially valid for claims of compensation resulting from consequential damages. Altair explicitly points out that any decision about the application of materials must be double checked with the producer of this material. This includes all contents of this system. Copyright laws are applicable for the content of this system.

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