Te Whakaahuatanga

He kete whakau UV mahi teitei a DB 886 i hangaia

mō ngā pūnaha polyurethane (hei tauira, TPU, CASE, RIM 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-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