Ka'ida
A cikin 'yan shekarun nan, an sami karuwar damuwa game da muhalli da haɗarin kiwon lafiya da ke haifar da wutar lantarki na tushen halogen da ake amfani da su a cikin robobi.A sakamakon haka, wadanda ba halogen harshen wuta retardants sun sami shahararsa saboda su mafi aminci da kuma mafi dorewa halaye.
Masu kare harshen wuta marasa halogen suna aiki ta hanyar katse hanyoyin konewa da ke faruwa lokacin da robobi ke fallasa wuta.
1.Suna cimma wannan ta hanyar tsoma baki a jiki da sinadarai da iskar gas da ake fitarwa yayin konewa.Ɗaya daga cikin hanyoyin gama gari shine ta hanyar samar da kariyar kariyar carbon akan saman robobin.
2. Lokacin da aka fallasa ga zafi, masu kare harshen wuta marasa halogen suna fuskantar wani nau'in sinadarai, wanda ke fitar da ruwa ko wasu iskar gas mara ƙonewa.Wadannan iskar gas suna haifar da shinge tsakanin filastik da harshen wuta, don haka rage yaduwar wuta.
3. Abubuwan da ba su da halogen na harshen wuta suna bazuwa kuma su samar da barga na carbonized Layer, wanda aka sani da char, wanda ke aiki azaman shinge na jiki, yana hana ci gaba da sakin iskar gas mai ƙonewa.
4. Haka kuma, halogen-free harshen retardants iya dilute da combustible gas ta ionizing da kama free radicals da maras tabbas flammable sassa.Wannan matakin yana karya sarkar konewa yadda ya kamata, yana kara rage karfin wutar.
Ammonium polyphosphate shine mai kare harshen wuta wanda ba shi da halogen na phosphorus-nitrogen.Yana da babban aikin jinkirin harshen wuta a cikin robobi tare da yanayin da ba mai guba da muhalli ba.
Aikace-aikacen Filastik
Ana amfani da robobi masu ɗaukar wuta kamar FR PP, FR PE, FR PA, FR PET, FR PBT da sauransu a cikin masana'antar kera motoci don abubuwan da ke cikin mota, irin su dashboards, bangarorin kofa, abubuwan wurin zama, shingen lantarki, trays na USB, juriya na wuta. fanfuna na lantarki, masu sauyawa, kayan lantarki, da jigilar ruwa, bututun gas
Matsakaicin zafin wuta (UL94)
UL 94 daidaitaccen flammability na robobi ne wanda Laboratories Underwriters (Amurka) suka fitar.Ma'auni yana rarraba robobi bisa ga yadda suke ƙonewa a wurare daban-daban da kauri daga mafi ƙanƙanta mai kare harshen wuta zuwa mafi yawan masu kare harshen wuta a cikin rarrabuwa daban-daban guda shida.
| Farashin UL94 | Ma'anar Rating |
| V-2 | Konewa yana tsayawa a cikin daƙiƙa 30 akan wani yanki yana ba da izinin digo na filastik mai ƙonewa a tsaye. |
| V-1 | Konewa yana tsayawa a cikin daƙiƙa 30 akan wani yanki na tsaye yana ba da izinin digo na filastik waɗanda ba ƙonewa ba. |
| V-0 | Konewa yana tsayawa a cikin daƙiƙa 10 akan wani yanki na tsaye yana ba da izinin digo na filastik waɗanda ba ƙonewa ba. |
Ƙirar da aka Nufi
| Kayan abu | Formula S1 | Formula S2 |
| Homopolymerization PP (H110MA) | 77.3% | |
| Copolymerization PP (EP300M) | 77.3% | |
| Man shafawa (EBS) | 0.2% | 0.2% |
| Antioxidant (B215) | 0.3% | 0.3% |
| Anti-dripping (FA500H) | 0.2% | 0.2% |
| TF-241 | 22-24% | 23-25% |
| Kayan aikin injiniya bisa 30% ƙarar ƙarar TF-241. Tare da 30% TF-241 don isa UL94 V-0 (1.5mm) | ||
| Abu | Formula S1 | Formula S2 |
| Matsakaicin zafin wuta | V0 (1.5mm | UL94 V-0 (1.5mm) |
| Iyakance ma'aunin iskar oxygen(%) | 30 | 28 |
| Ƙarfin ɗaure (MPa) | 28 | 23 |
| Tsawaitawa a lokacin hutu (%) | 53 | 102 |
| Flammability rate bayan tafasa ruwa (70 ℃, 48h) | V0 (3.2mm) | V0 (3.2mm) |
| V0 (1.5mm) | V0 (1.5mm) | |
| Modules mai sassauci (MPa) | 2315 | 1981 |
| Meltindex (230 ℃, 2.16KG) | 6.5 | 3.2 |
