首页 公司简介 产品展示 热卖产品 公司新闻 技术文章 人才招聘 资料下载 联系我们
产品搜索
主营产品: 检测仪器

手机:
18019465039
点击这里给我发消息
联系人:谢文清
手机:
13472521719
点击这里给我发消息
点击这里给我发消息
产品目录 更多...
工业显微镜
表面粗糙度仪/轮廓仪
炉温跟踪仪
涂膜机
耐磨试验机
色差仪
超声波探伤仪
超声波测厚仪
涂层测厚仪
桔皮仪
涡流探伤仪
杯突试验仪
便携式硬度计
铁素体检测仪
金属电导率仪
色差仪/分光光度计
环境检测试验箱
附着力检测仪
铅笔硬度计
金属直读光谱仪
培养箱/烘箱/高低温气候箱
 
 
推荐产品 更多...
德国仪力信Erichsen430P电动划格试验仪
英国Rhopoint公司NOVO-GLOSS系列光泽度仪
Elcometer4340涂膜机
德国仪力信426/427/428/463划痕仪
Erichsen508仪力信508SAE,508VDA石子冲击试验仪
 
 
联系我们
公司:上海鼎徵仪器仪表设备有限公司
联系人:谢文清
手机:13472521719
电话:86-21-32535037
传真:86-21-32535039
地址:上海市嘉定区德富路1198号803室太湖世家国际大厦
邮编:200070
网址:www.dingzhi2000.com
邮箱:422355329@qq.com
 
 
技术文章

PV3987 Scrub Resisitance(Micro-Scrach Resistance)of High-Gloss Surfaces in the Vehicle interrior


点击次数:198 发布时间:2021-03-09

上海鼎徵仪器仪表设备有限公司
满足大众PV3987高光耐磨试验标准会用到我公司代理的 BYK4563光泽度仪,德国Erichsen249耐磨仪、美国taber5900往复式耐磨试验机 Rubbing adapter C  刮擦头
Scrub Resisitance(Micro-Scrach Resistance)of High-Gloss Surfaces in the Vehicle interrior

 

Preface
This satandard supersedes the “Audi AG Provisional Test Specification”and Test Specification PV3975(“Matindale Scrub Resistance”)
Previous issues
PV3987:2016-08
Changes
The folloowing changes have been made to PV3987:2016-08
- section 3.1“Test equipment”:exanple changed
1 Scope
This PV describes a method for testing the micro-Scratch resistance and scrub resistance on high-gloss surfaces
A surface is referres to as high-glossy if the gloss level measurement at an angle of 60° is >70GU。Further gloss level measurements are performed with a measuring angle of 20°
 
This test method is suitable for determining the properties of uncoated (Eg PA PMMA)and coat-ed high-gloss surfaces (eg paint ,in-mold decoration(IMD),in-mold labeling(IML))when they are exposed to low-force friction loads。The load is roughly equivalent to that of the cleaning process the test must be performed on plane surfaces
 
The test determines the relative chang in gloss that is generated by rubbing/Scrubbing with polishing paper on the high-gloss surface
 
2 Designation
Scrub resistance (Micro-scratch resistabce)as per PV3987
 
3 Testing
3.1 Test equipment

Test  equipment Crochmeter as per DIN EN ISO105-X12 or a different testing device with which the required test conditions can be set(testing force 9N,Testing path:104±3mm)
Test  headRubbing adapter C as per DIN55654 (see figure1)
Test equipment/rubbing mediumRolishing paper as per DIN55654:Abrasive grain made of aluminum oxide,semi-open coat density of grain,grain 5um,bonding of grain with full synthetic resin on flexible ,extruded PES film (eg 3M261X)
Cut the polishing paper to an exact width of 25mm and a minimum length of 75mm
Gloss measuring deviceMeasure the gloss level using a reflectometer (as per DIN EN ISO 2813) at angle of 20°

 

3.2 Specimen preparation
A minimum Specimen size of 150mmx100mm is required to perfprm the test
Conditioning
There must be at least 7 days between specimen preparation and testing
For conditioning ,plan for 45h in a standard atmosphere as per VW50554-23/50-2 condition hydrophilic materials(eg polyamides)for 7 days in a standard atmosphere
Specimen preparation
Clean the specimen gently under luder lukewarm running water using only your wet hand
 
A mild laboratory flushing agent that does not leave a greasy residue can be used as a cleaning agent
The surfaces to be tested must not be damaged as a result of cleaning
Then rinse the specimen thoroughly with clear water
Dry the specimen by blowing it off with oil-free compressed air
After cleaning,condition hydrophilic materrials once again for 24h in a standard atmosphere

 

 

3.3 Test procedure
1 condition (see section3.2)
2 clean (see section3.2,for hydrophilic materials ,repeat conditioning if necessary)
3 Meassure the gloss level befor scratching,Measure the gloss level at a measuring angle of 20°
4 Rub/Scratch:Befeor each rubbing process,Clamp in a new rubbing medium。One rubbing
 Process comprise 5 double strokes。Rub with a load of 9N。If the rubbed track is not uniform
(streaky spotted),perform a repeat test
5 After rubbing,store the specimens at room temperature for 24h
6 Measure the gloss level on the track 。Align the gloss measuring device in such a way
 That  themeasuring direction is 90° relative to the rubbing direction。Make sure that the measuring hole of the gloss measuring device rests on the rubbed surface。Do not measure the first and last 10mm of the rubbed track。
 
3.4 Evaluation/assessment
Determine the scrub resistance as a relative change in gloss level(%)with respect to the initial
Gloss level。The measuring angle is 20°
Calculate the relative change in gloss level as follow:
(initial gloss level - gloss level after rubbing)x 100 / initial gloss level

 

4 Applicable documents
The following documents cited in this standard are necessary to its application
Some of the cited documents are translations from the German original。The translations of German terms in such documents may differ from those used in this stand,resulting in terminologocal inconsistency

 

 
 
 
首页 | 公司简介 | 产品展示 | 热卖产品 | 公司新闻 | 技术文章 | 人才招聘 | 资料下载 | 联系我们
上海鼎徵仪器仪表设备有限公司 版权所有 地址:上海市嘉定区德富路1198号803室太湖世家国际大厦
联系人:谢文清 电话:86-21-32535037 手机:13472521719 传真:86-21-32535039 邮编:200070 邮箱:422355329@qq.com
技术支持:化工仪器网 管理登陆 ICP备案号:沪ICP备12035321号-3

化工仪器网

推荐收藏该企业网站