Te Whakaahuatanga

He kete whakau UV mahi teitei a DB 886 i hangaia

mō ngā pūnaha polyurethane (hei tauira, TPU, CASE, RIM rānei mō ngā whakamahinga pahuka ngāwari).

He tino whai hua te DB 866 mō te polyurethane thermoplastic (TPU). Ka taea hoki te whakamahi i te DB 866 mō ngā paninga polyurethane i runga i te tāpaurin me te papa, tae atu ki te hiako hangai.

Ngā tono

Ka whakarato te DB 886 i te pumau UV tino pai ki ngā pūnaha polyurethane.

Ko te whai huatanga ake i ngā pūnaha whakapūmau UV tuku iho ka tino kitea i roto i ngā tono TPU mārama, mārama rānei.

Ka taea hoki te whakamahi i te DB 886 i roto i ētahi atu pūmua pērā i ngā polyamide me ētahi atu kirihou hangarau tae atu ki te polyketone aliphatic, ngā homo- me ngā copolymers styrene, ngā elastomers, te TPE, te TPV me ngā epoxies tae atu ki ngā polyolefin me ētahi atu papa matū waro.

Ngā Āhuatanga/Painga

Ka tukuna e te DB 886 te mahi tino pai me te whakapiki i te hua

i runga ake i ngā pūnaha whakaū mārama tuku iho:

He tae tīmatanga tino pai

He pai te pupuri i te tae i te wā e pāngia ana e te UV

Te pumau wera mō te wā roa kua whakarei ake

Otinga tāpiri-kotahi

Ngāwari te horopeta

Ngā Āhua o te Hua He paura mā ki te kōwhai paku, he rere noa

Ngā aratohu mō te whakamahinga

Ko ngā taumata whakamahinga mō te DB 886 kei waenga i te 0.1% me te 2.0%

i runga i ngā āhuatanga o te papa me te tukatuka. Ka taea te whakamahi i te DB 866 anake, ka taea rānei te whakamahi tahi me ētahi atu tāpiringa mahi pēnei i ngā antioxidants (ngā phenols aukati, ngā phosphites) me ngā HALS stabilizers mārama, e kitea pinepine ai te mahi tahi. Kei te wātea ngā raraunga mahi o te DB 886 mō ngā tono rerekē.

Ngā Āhuatanga Ā-tinana

Te wairewatanga (25 °C): karamu/100 karamu o te wairewa

Āketona: 7.5

Etil Asetate: 9

Mētanora: < 0.01

Metirene Kōroira: 29

Toluene: 13

Te Āhuarekare (TGA, tere whakamahana 20 °C/min i te hau) Taumaha

% ngaronga: 1.0, 5.0, 10.0

Pāmahana °C: 215, 255, 270