2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
mas cua. Cov vapors tuaj yeem tsim cov khoom tawg nrog cua. Qee cov resins tej zaum yuav muaj unsaturated ob daim ntawv cog lus uas polymerize explosively thaum rhuab los yog koom nyob rau hauv hluav taws. Saturated aliphatic hydrocarbons, uas muaj nyob rau hauv RESIN COMPOUND, tej zaum yuav incompatible nrog muaj zog oxidizing neeg sawv cev zoo li nitric acid.
Puas resin ntes hluav taws?
Thaum nws tsis zoo li kub resin yuav ntes koj cov pwm lossis nplaim hluav taws, nws yuav ua rau nws yaj, ua rau muaj kev ntxhov siab loj. Ua kom sov koj cov khoom siv cob hauv dej da dej yog ib txoj hauv kev zoo kom ua npuas kom dim ntawm cov khoom sib xyaw kom sai. Tab sis yuav tsum paub, qhov kub no kuj ntxiv rau qhov kub ntawm cov tshuaj tiv thaiv.
Puas yog cov fumes flammable?
Yog, cov resin fumes yog flammable. Polyester resin muaj styrene puag, thiab styrene vapor yuav hlawv.
Vim li cas cov resin thiaj txaus ntshai?
Feem ntau, ib tus tuaj yeem hais tias cov ntshiab epoxy resins yog suav tias yog tsis muaj tshuaj lom, qhov kev pheej hmoo ntawm kev puas tsuaj los ntawm kev noj cov epoxy resin tuaj yeem suav tias yog tsawg heev. … Nws tuaj yeem ua rau khaus, uas tuaj yeem ua rau muaj kab mob eczema, lossis sensitizer, uas tuaj yeem ua rau muaj kab mob dermatitis.
Puas casting resin flammable?
Thaum cov txheej txheem kho tiav, cov khoom kawg hu ua epoxy resin. Thiab epoxy resin tsis yog tag nrho cov nplaim taws. Qhov ntawd tsis txhais hais tias, dua, tias nws yuav tsis hlawv. Txhua yam yuav kub hnyiab tau yog tias koj ua kom kub txaus tab sis nyob rau hauv yuav luag txhua qhov xwm txheej, koj yuav tsis muaj peev xwm kho tau. Epoxy resin rau hluav taws.
Pom zoo:
Cov kua dej twg yog cov nplaim taws?
Flammable: Cov kua uas muaj lub teeb nyem hauv qab 100 ° F yog suav tias yog nplaim taws. Piv txwv li: roj av, acetone, toluene, diethyl ether, cawv. Yuav ua li cas yog cov nplaim taws tshaj plaws? 1) Chlorine Trifluoride yog cov pa hluav taws kub tshaj plawsNtawm tag nrho cov tshuaj lom neeg txaus ntshai, chlorine trifluoride paub tias yog cov nplaim hluav taws kub tshaj plaws.
Cov neeg tua hluav taws puas siv cov nplaim taws?
California cov neeg tua hluav taws siv cov hluav taws kub hnyiab hauv San Gabriel Toj siab rov qab hlawv cov av hauv txoj kev ntawm Bobcat hluav taws. Cov neeg tua hluav taws puas siv hluav taws? Cov neeg tua hluav taws tswj qhov hluav taws kub sib kis (lossis muab tso tawm) los ntawm kev tshem tawm ib qho ntawm peb cov khoom xyaw hluav taws kub uas yuav tsum tau hlawv:
Vim li cas ntxaib nplaim taws sib cais?
Twin nplaim sib cais. Ib tug ntxaib nplaim taws sib cais yog ib theem ntawm kev sib raug zoo ntau ntxaib nplaim taws yuav ntsib. Nws yog raws nraim li nws suab zoo li: ib lub sij hawm sib cais ntawm ib leeg. Nws feem ntau tshwm sim thaum lub sijhawm honeymoon xaus thiab kev tsis ruaj ntseg thiab teeb meem txuas ntxiv pib tshwm.
Dab tsi ntawm cov hauv qab no yog cov thermosetting resins?
Bakelite yog ib qho piv txwv ntawm thermosetting polymer. Bakelite yog lwm lub npe ntawm Phenal formaldehyde. Nws yog cov thermosetting polymer vim nws muaj cov qauv sib txuas. Qhov twg hauv qab no yog cov thermosetting resins Mcq? Ua tiav cov lus teb ib kauj ruam:
Vim cov nplaim taws puas raug mob?
Cov phom sij txaus ntshai yog qhov phom sij ntawm qhov kub hnyiab ntawm lub cev: Sparks tuaj yeem ya mus rau khau lossis qhov muag thiab ua rau raug mob. Txhawm rau tiv thaiv lub cev los ntawm cov nplaim taws, cov vuam yuav tsum hnav cov caj dab siab, tsis tshua muaj hluav taws xob tiv thaiv khaub ncaws, hnab looj tes tiv thaiv tawv thiab lub kaus mom hlau vuam.
