Wacker pre­sented a new dis­persible poly­mer pow­der at Paint Is­tan­bul

Chemical Industry Digest - - News & Views -

At

Paint Is­tan­bul, Wacker pre­sented the flex­i­ble dis­persible poly­mer pow­der VINNAPAS 4240 N, which of­fers

® an ex­cep­tion­ally good bal­ance be­tween flex­i­bil­ity and ten­sile ad­he­sive strength. The pow­der, which is based on vinyl ac­etate eth­yl­ene (VAE), is ex­tremely well suited to var­i­ous wall ap­pli­ca­tions such as ad­he­sive and em­bed­ding mor­tar in ex­ter­nal ther­mal in­su­la­tion com­pos­ite sys­tems or fin­ish­ing plas­ters. At Paint Is­tan­bul and for the first time in the re­gion, WACKER also show­cased PRIMIS SAF

® 9000/9001, SILRES BS 710, and

®

SILRES BS 6920 from its port

® fo­lio for var­i­ous easy-to-clean ap­pli­ca­tions.

WACKER is ex­pand­ing its port­fo­lio of dis­persible poly­mer pow­ders to in­clude VINNAPAS 4240 N, which is

® both highly flex­i­ble and of­fers ex­cel­lent ad­he­sive prop­er­ties. The high pro­por­tion of eth­yl­ene in the poly­mer chain means that VINNAPAS 4240 N has a low

® glass tran­si­tion tem­per­a­ture. It there­fore, dis­plays good crack­bridg­ing prop­er­ties and im­proves the flex­i­bil­ity of min­eral mor­tars, which pro­vides ex­cel­lent com­pen­sa­tion for ten­sions that oc­cur as a re­sult of tem­per­a­ture fluc­tu­a­tions, weath­er­ing, shrink­age of con­struc­tion ma­te­ri­als, or vibrations. The flex­i­ble dis­persible poly­mer pow­der also fea­tures par­tic­u­larly good re­sis­tance to­wards se­vere im­pacts, which plays a ma­jor role for em­bed­ding mor­tars in ex­ter­nal ther­mal in­su­la­tion com­pos­ite sys­tems as well as fin­ish­ing plas­ters.

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