测试工程师技术分享：材料分析测试

什么是塑料？塑料是在一定条件下，一类具有可塑性的高分子材料的通称，一般按照它的热熔性把它们分成：热固性塑料和热塑性塑料。它是世界三大有机高分子材料之一（三大高分子材料是塑料，橡胶，纤维）。塑料的英文名是plastic，俗称：塑胶。为什么有人称塑料为树脂？人类Zui早认识的高分子材料都是树皮割破后流出的液体的提取物，呈粘稠状，也就是说它是树中提取的脂。目前仍然有很多人把这种高分子材料叫树脂。但随着现代化工工业的发展，现在所用的高分子材料都是石油化工产品或石油化工的副产品或石油合成产品。现代的塑料已经不是树中提取物了，而是石化产品。

TECERT特色检测提供全部全面的各类塑胶材料分析服务。我们的专业方法涉及到：常规鉴别法、化学分析法、红外光谱法、紫外吸收光谱法、核磁共振法、X射线法、波谱分析方法、黏度分析法、凝胶渗透色谱法、热分析法和显微分析法等。

欢迎联系我们TECERT特色检测安排测试，为您提供全面、准确的分析检测服务，为您严把材料的质量关。如材料的定性定量分析、化学成分及元素价态分析，塑料、橡胶等有机材料主成分定性，无机非金属材料主成分定性等。

主要检测项目包括：材料表面形貌、材料成份、材料组织结构、薄膜厚度、表面粗糙度、孔隙率、硬度、薄膜结合力、摩擦磨损、应力、电化学与盐雾腐蚀、颜色及色差，金属的组织，晶粒度非金属夹杂物、渗碳层、脱碳层、氮化层检测，灰铸铁、球墨铸铁检测，硬质合金检测，有色金属及合金相分析，晶粒度、夹杂物检测，各种金属零部件断裂失效分析等。

- Main Organic Composition 有机主成分分析
- Metal Component Analysis 金属成分分析
- Foreign Body Analysis 异物分析
- Melt-flow rate test 熔体流动速率
- TGA 热重分析
- DSC 差示量热分析
- CS 碳硫元素分析
- Density 密度
- Composition Analysis 成分分析
- Inorganic filler test 无机填料含量

◎ 表面分析：元素成分及化学价态，元素成分半定量分析　，粉末样品及固相样品的物相分析，微量元素成分分析，有机物分析
◎ 表面几何特性：表面三维形貌，表面粗糙度，表面形貌，表面颜色分析，孔隙率
◎ 材料力学特性：材料表面（薄膜）基本力学性能，材料的硬度，薄膜厚度，薄膜与基体的结合力，表面应力分析
◎材料物理化学性能：耐腐蚀性能，电化学性能，有色及黑色金属的组织测定，金属的夹杂物、晶粒度测定，灰铸铁球墨铸铁测定，各种金属零部件断裂成分失效分析

TECERT特色服务范围：

- 塑料身份 (ID) 检验
- 可燃级别的评估
- 电气与机械性能 (抗燃、漏电电痕、绝缘等)
- 长时间热老化
- 室外适用性 (抗日照及雨淋)
- 塑料次料回收与循环再造塑料
- RoHS (有害物质) 符合性检测
- 其它如色粉、浓缩剂等

敬请查看下面更为详细信息：

MechanicalTest

Tensile test with modulus of elasticity
– 40 °C to +200 °C
■ ISO 527
■ DIN 53455/53457
■ ASTM D638

High speed tensile test
Optical deformation measurement by ultra high speed camera
– 40 °C to +150 °C
0,1 m/s to 20 m/s
■ in-house standard

Flexural test with modulus of elasticity
– 40 °C to +200 °C
■ ISO 178
■ ASTM D790
■ DIN 53452/53457

Izod & Charpy flexural impact tests (notched andunnotched)
– 60 °C to room temperature
■ ISO 179
■ ISO 180
■ ASTM D256
■ DIN 53453

Penetration test
– 40 °C to room temperature
■ ISO 6603-2

Determination of hardness
Ball indentation hardness
■ DIN EN ISO 2039/1

Rockwell hardness
■ DIN EN ISO 2039/2

Shore A / Shore D
■ ISO 868
Tensile impact test
■ DIN 53505
■ DIN EN ISO 8256
■ DIN 53448
■ DIN EN 28256

Tear propagation / separation/peeling tests
– 40 °C to +200 °C
■ ISO 34-1
■ DIN 53507
■ DIN 53515
■ DIN 53356
■ DIN 53363

Compression test with modulus of elasticity
(to max. 10 kN)
■ ISO 604
■ DIN 53454 / DIN 53457
■ ASTM D695

Shear test
■ ASTM D732

Taber abrasion test
■ DIN 53754
■ ISO 9352
■ ASTM D1044

Sandblast test
■ in-house standard

Tensile creep test
Room temperature to 150 °C
■ DIN EN ISO 899/1
■ DIN 53444

Flexural creep test
Room temperature to 150 °C
■ DIN EN ISO 899/2

RheologicalTest

Melt index
Melt volume flow rate (MVR)
Melt mass flow rate (MFR)
Time dependent melt
volume rate (IMVR)
Time dependent melt flow rate (IMFR)
■ ISO 1133
■ ASTM D1238

Melt shear viscosity
■ ISO 11443
■ DIN 54811

Solution viscosity of Polycarbonate with/withoutfilm
■ ISO 1628-1/-4
■ DIN 51562-3

Oscillatory shearing (rotational rheometer) e.g. zeroshear viscosity, frequency sweep, thermal stability
■ ISO 6721-10
■ ASTM D4440-01

Special rheological tests
Capillary and rotational rheometer

ThermalAnalyses

Coefficient of linear thermal expansion (TMA)
– 150 °C to 600 °C
■ DIN 53752

Differential scanning calorimetry (DSC)
also temperature modulated method
■ ISO 11357
■ DIN 53765

Thermogravimetric analysis (TGA)
also with infrared spectrum
■ ISO 7111
■ DIN 51006

Torsion pendulum test
(shear modulus determination)
■ ISO 6721-2
■ ISO 6721-7

Heatresistance

Vicat
to 300 °C
■ ISO 306

Heat distortion
Temperature to 250 °C
■ ISO 75

Ball indentation
■ IEC 60335-1
■ IEC 60695

PhysicalTest

Thermal conductivity
NanoFlash■-test method
■ ASTM E1461
■ DIN EN 821
■ DIN 30905
■ ISO 22007-6

Determination of density
■ ISO 1183
■ DIN 53479

Density
■ DIN EN ISO 845

Apparent density
■ DIN EN ISO 60

Determination of water content
■ ISO 760
■ DIN 53715
■ DIN EN ISO 15512

Window fogging
■ DIN 75201

ElectricalTest

Dielectrical measurement
(Dielectric constant εr/ dissipation factor tan δ)
■ IEC 60250
■ DIN 53483

Electrostatic charging
■ DIN 53486

Electrostatic resistance
■ IEC 60093
■ IEC 60167
■ DIN 53482

Dielectric strength
■ IEC 60243-1

CTI/comparative tracking index
■ IEC 60112

Arc resistance
■ ASTM D495
■ IEC 61621 www.tecert.com

Corrosion
■ IEC 60426

High-voltage tracking resistance
■ IEC 60587

Heataging

Hot-air aging
without loading
■ UL 746 B
■ IEC 60216
■ DIN 53497

Fire

Fire behavior
HB
V
5V
VTM
■ UL 94

Oxygen Index LOI
■ DIN EN ISO 4589

Test with electrical ignition source
HWI
Glow wire
■ ASTM D3874
■ IEC 60695-2-12
■ IEC 60695-2-13

Ash content
■ DIN EN ISO 3451-1
in-house standard (rapid ash)

FMVSS
■ TL 1010
■ US-FMVSS 302
■ DIN 75200

Needle flame test
■ DIN EN 60695-11-5

Weathering

Artificial weathering
Xenotest■ High Energy
■ DIN EN ISO 4892-2
■ DIN EN 50014
■ Accelerated aging test
  Various customer specifications

Xenon-WOM
■ ASTM G26 modified
■ ASTM G151
■ ASTM G155
■ DIN EN ISO 4892-2
■ SAE J 1885
■ SAE J 1960
■ VDA 75202
■ Various customer specifications

LSL-WOM (UVA/UVB light 313 nm, 340 nm, 351 nm)
■ DIN EN ISO 4892-3
■ Various customer specifications

Outdoor weathering
■ Arizona / Florida / Hoek van
Holland/Sannary sur Mer
■ additional locations available
on request

Spray tests
■ ASTM B117
■ DIN 50021
■ DIN EN ISO 7253
■ DIN EN ISO 9227
■ ISO 11503

OpticalTest

Color measurement Delta E
■ DIN 5033
■ DIN 6174
■ ASTM E308

Transmission/Haze
■ DIN 5036
■ ASTM D1003
■ ASTM E179
■ ISO 13468

Reflection
■ DIN 5036
■ ASTM E179

Gray scale determination
■ ISO 105-A02

Gloss factor
■ DIN 67530
■ ASTM D523
■ ISO 2813

Image analysis
(microscopic evaluation of surface
with crack assessment)
■ in-house standard

Chemical Resistance /Chemical Storage

Environmental stress cracking (ESC), Bent striptest
■ EN ISO 4599 corresponds to DIN 53499/3

Internal stresses
TnP-Test
■ PC ATI 104/86

Petrol test
(isooctane/toluene)

Fuel resistance
■ DIN 51604/1 DBL 5416

Media aging, no load
■ DIN 53521
■ ISO 175

Conditioning
■ ISO 1110

Water absorption
■ ISO 62

Aging under standard climatic conditions

Shrinkage

Production and measurement of shrinkage sheets onfullyautomated shrinkage station
■ ISO 294-4