PET Thermoforming Defects: Nea ɛde ba ne ɔhaw ahorow a wosiesie

Dɛn na Ɛde PET Thermoforming Mfomso Ba?

PET thermoforming sintɔ ba bere a krataa so nsɛm tebea, ɔhyew, nneɛma kyekyɛ, nnwinnade anaa onwini nhyia ɔfã a wɔreyɛ no. Nsɛnkyerɛnne a ɛtaa ba ne ntwea fitaa, ahurututu, webbing, afasu a ɛyɛ tratraa, a ɛnyɛ pɛpɛɛpɛ ne flanges a ɛyɛ kronkron.

Ansa na wobɛsesa afiri nhyehyɛe bi no, kyerɛ bere a mfomso no di kan da adi. Agyiraehyɛde bi a wotumi hu dedaw wɔ nhoma mmobɔwee a ɛba no so no hia nhwehwɛmu soronko wɔ ntwea fitaa a ɛba bere a wɔreyɛ anaasɛ mpaapaemu a efi ase wɔ trim station no ho.

Saa akwankyerɛ yi twe adwene si APET a emu da hɔ ne PET nneɛma a wɔde ahyɛ mu krataa so nsɛm a wɔde di dwuma ma tray ahorow a wɔde di dwuma , akisikuru, nkataso ne clamshells so. PETG yɛ polyester a wɔasesa a ɛwɔ dwumadie suban soronko. CPET de crystallization nhyehyeɛ a wɔahyɛ so di dwuma na ɛhia dwumadie akwankyerɛ a ɛyɛ soronko. Bere nyinaa kyerɛ krataa so nsɛm grade ne adansi pɔtee ansa na wode nhyehyɛe akɔ nneɛma ntam.

PET Thermoforming Mfomso: Ɔhaw Ho Ntɛmntɛm Nsiesiei Nhyehyɛe

Fa sɛnkyerɛnne a wotumi hu no paw nhwehwɛmu a edi kan. Nhwehwɛmu a ɛwɔ ase ha no yɛ mfiase: nneɛma pii a ɛde ba betumi ama ɔfã a ɛte sɛ nea ɛte saa ara aba.

Dɛn Nti na PET Dan Fitaa Anaa Mununkum Bere a Wɔreyɛ Thermoforming?

Ɛsɛ sɛ wohu sɛnea obi yɛ fitaa ansa na ɔhyew asakra. Ntwea fitaa a ɛwɔ baabi ne mununkum a ɛtrɛw a ɛfa ɔhyew ho no betumi ahwehwɛ sɛ wɔyɛ nteɛso ahorow.

Ntwea fitaa ne Ntrɛwmu Nsɛnkyerɛnne

Agyiraehyɛde fitaa a ayɛ kɛse wɔ ntwea a emu dɔ, mpampam anaa mmeae a plug-contact no kyerɛ sɛ localized strain. Hwɛ sɛ saa mmeae no yɛ teateaa soronko na sɛ krataa so nsɛm no du hɔ bere a ɛyɛ mmerɛw sɛnea ɛsɛ.

Hwɛ heater profile, plug alignment ne corner geometry. Ebia beae a awɔw wom behia ɔhyew pii. Ebia beae a ɛyɛ tratraa a nneɛma a wɔkyekyɛ no yiye na ɛde ba no behia nsakrae wɔ plug action anaa forming technique mu.

Sua nsɛntitiriw pii a ɛne no hyia wɔ afã horow a wogye tom ne nea ɛtɔ sin so. Sɛ beae fitaa no ne ɔfã a ɛyɛ tratraa sen biara no hyia bere nyinaa a, hwehwɛ sɛnea nneɛma no du saa ɔfã no mu ansa na woama ɔhyew no akɔ soro wɔ krataa so nsɛm no nyinaa mu.

Mununkum a APET Crystallization na ɛde ba

APET a emu da hɔ betumi ahwere nhumu bere a ne ɔhyew abakɔsɛm ma kwan ma ɛyɛ ahwehwɛ. Enti ɔhyew a ɛboro so anaa ɔhyew a wɔde hyɛ mu bere tenten betumi ama ayɛ fitaa bere mpo a krataa so nsɛm no yɛ mmerɛw sɛ ɛbɛhyehyɛ no.

Fa toto pefeeyɛ ho ansa na woayɛ hyew, bere a woayɛ no hyew akyi ne bere a woayɛ no awie no. Sɛ mununkum ba ansa na woatrɛw kɛse a, hwehwɛ ɔhyew a ɛwɔ mu no mu ansa na wode asodi no ato draw no so.

Sɛ APET mu da hɔ a, ɔhyew bere ne onwini tebea nyinaa ho hia. Di krataa so nsɛm adetɔnfoɔ a wɔapaw no no dwumadie akwankyerɛ akyi na sɔ nsakraeɛ a ɛtia pefeeyɛ, ɔfa nkyerɛaseɛ ne nsusuiɛ a ɛgyina pintinn bom.

Surface Haze ne Nkitahodi Agyiraehyɛde

Patch a ɛyɛ dull nso betumi afi rubbing, efĩ anaa adwinnade bi a ɛka ho. Hwɛ anim abien no nyinaa wɔ kanea a ɛkɔ so daa ase.

Patch a wɔayɛ no mpɛn pii a ɛne plug anaa mold afã bi hyia no fata sɛ wɔhwɛ ne soro. Hwɛ sɛ nneɛma a wɔde asie, wear ne mpɔtam hɔ ɔhyew nsonsonoe. Ɛsɛ sɛ wɔhwehwɛ agyiraehyɛde bi a wotumi hu ansa na ɔhyew beae no aba denam krataa so nsɛm nhwehwɛmu a ɛba ne ɔkwan a wɔfa so ma aduan no so.

Sɛnea Wosiesie Bubbles ne Blisters wɔ PET plastic krataa mu.

Bubbles betumi afi ɔhyew a ɛboro so, nsu anaa efĩ mu aba. Fi ase denam nhwɛsode bi a ɛnyɛ hyew a efi nhoma mmobɔwee a ɛka no mu a wobɛhwehwɛ mu no so.

Sɛ emu voids wɔ hɔ dedaw a, sie krataa so nsɛm nhwɛsode no na di nea ɔde ma no ho nkɔmmɔ. PET extrusion betumi de bubbles aba denam nsuo, degassing a ɛnsɛ anaa efĩ so. Nsakrae a wɔde yɛ thermoforming ntumi nyi emu baabi a ɛda hɔ dedaw no mfi hɔ.

Sɛ ahurututu no pue bere a wɔayɛ no hyew akyi nkutoo a, fa beae a ɛwɔ no toto mmeae a ɔhyew no wɔ no ho. Hwɛ bere a wɔde da no adi, krataa so nsɛm ɔhyew ankasa ne nnansa yi akorae tebea. Baabi a adwinnade no ma kwan ma wɔhwɛ no, hyɛ no nsow sɛ ebia bubbling fi ase ansa na krataa so nsɛm no aka adwinnade no anaa.

Afei nso kyerɛ nsonsonoeɛ a ɛda bubble a ɛwɔ krataa so nsɛm no mu ne kotokuo a ɛnyɛ den a ɛnnwene. Kotoku a wɔanhyehyɛ no betumi akyerɛ sɛ mframa ntumi mfi krataa so nsɛm ne nkuku no ntam.

PET krataa so nsɛm nni amansan ahwehwɛdeɛ baako a ɛfa ansa na wɔayow. Wɔayɛ aguadi krataa so nsɛm s binom sɛnea ɛbɛyɛ a ɛbɛhyehyɛ a wonni kan nyow. Fa akwankyerɛ a ɛwɔ hɔ mprempren no di dwuma ma abasobɔde pɔtee no na susuw ne nneɛma a wɔkora so ho abakɔsɛm ho. Ma resin nwo ansa na extrusion atew ne ho afi conditioning awie krataa so nsɛm ansa na thermoforming.

Sɛnea Wosiesie Webbing ne Thin Corners

Webbing Between Cavities anaa Nneɛma a Ɛma So

Webbing ba bere a nneɛma no bobɔw na ɛboaboa ano wɔ nneɛma ahorow ntam sen sɛ ɛbɛtwetwe adwinnade no so yiye no. Dwow a ɛboro so, krataa so nsɛm beae a ɛwɔ hɔ, adwinnade nhyehyɛe ne nhyehyɛe a wɔde hyehyɛ no nyinaa betumi aboa.

Hwɛ sɛnea ɛtoatoa so a ɛbɔ mpopaho no. Sɛ efi ase denam sag a ɛboro so so a, sɔ ɔhyew a ɛfata anaa bere a wɔde da no adi no so tew a wɔahyɛ so hwɛ. Sɛ ɛkɔ so kyekyere ɔkwan ketewaa koro no ara a, hwɛ feature spacing, geometry ne pre-stretching.

Hwɛ clamping ne krataa so nsɛm nkyerɛkyerɛmu nso. Nneɛma a ɛtwetwe anaasɛ ɛhyɛn beae a wɔreyɛ no pɛpɛɛpɛ no betumi ama adwinnade nhyehyɛe a wotumi san yɛ no ayɛ n’ade wɔ ɔkwan a ɛnkɔ so pɛpɛɛpɛ so.

Kyerɛ nsonsonoe a ɛda webbing ne bridging ntam . Bridging ma krataa so nsɛm no trɛw kɔ recess bi mu a ɛnkɔ nkuku no ho. Ebia ebehia sɛ wɔma ɛyɛ hyew yiye anaasɛ woyi fi hɔ, bere a mpopaho a ɛnam brɛoo dodo so de ba no betumi ahia ɔhyew kakraa bi.

Ntwea a Ɛyɛ Teateaa, Afasu anaa Tray Ase

Ntwea a ɛyɛ tratraa kyerɛ sɛ nneɛma kakraa bi na edu ɔfã no fã bi a ɛhwehwɛ pii. Starting gauge ho hia, nanso heater balance, plug design ne draw geometry nso nya nea efi mu ba no so nkɛntɛnso.

Sua mfitiaseɛ krataa so nsɛm no wɔ ne tɛtrɛtɛ so, afei fa ɔfa a wɔawie no ho mfonini wɔ mmeaeɛ a ɛne no hyia. Fa ase, afasu ne ntwea so toto abura pii ho. Ɔfã bi mu duru nkutoo renhu ntwea bi a ɛyɛ mmerɛw.

Hwɛ plug shape, alignment, akwantu ne bere. Baabi a nnwinnade mu nsakrae yɛ nea mfaso wɔ so no, radii akɛse betumi ama nsakrae a ɛba mpofirim no ayɛ mmerɛw. Hwɛ sɛ ebia sɛnea nneɛma hyehyɛ no nnidiso nnidiso no ma nneɛma du mmeae a emu dɔ no ansa na nkitahodi asiw kankyee foforo ano anaa.

Ebia krataa so nsɛm a emu yɛ duru ho behia, nanso di kan hwɛ sɛ ebia nkyekyɛmu a eye betumi adi ɔfasu no mu duru a ɛba fam koraa a wɔhwehwɛ no ho dwuma denam mprempren gauge no so anaa.

Sɛnea Wosiesie Forming, Warping ne Mold Sticking a enni mũ

Nsɛm a Ɛnyɛ Den anaasɛ Forming a Enni Mu

Kotoku a wɔanhyehyɛ no betumi akyerɛ sɛ awɔw wom krataa so nsɛm , ɛnyɛ nea wɔatu afi hɔ yiye anaasɛ bere ho haw bi wɔ hɔ.

Hwɛ mframa a ɛwɔ afã a ɛka no, nsɔano a atwa beae a wɔreyɛ no ho ahyia ne vacuum anaa nhyɛso adwumayɛ wɔ kyinhyia no mu. Nneɛma a wɔde ma akenkan a ɛfata nkyerɛ sɛnea mframa fi kotoku pɔtee bi mu ntɛmntɛm.

Sɛ abura baako di nkoguo berɛ a abura a ɛbɛn no hyehyɛ yie a, hwɛ ne mpɔtam hɔ nsuo kwan, plug ne tooling tebea. Sɛ adwinnade no nyinaa hwere nsɛm a ɛkɔ akyiri a, hwehwɛ ɔhyew, nneɛma a wɔde ma ne bere tebea a wɔkyɛ mu.

Sɛ evacuation reyɛ adwuma yie a, hwɛ sɛ krataa so nsɛm no du forming station no mu wɔ ne temperature window a wɔapene so no mu. Fa bere a wɔde bɛkɔ baabi foforo ne bere biara a ɛbɛkyɛ ansa na woayɛ nhyehyɛe ka ho.

Trays a Wɔakyinkyim ne Flanges a Wɔabɔ no Kurukuruwa

Afã horow a wogyae ansa na ayɛ den sɛnea ɛsɛ no betumi asesa ne nsusuwii bere a wɔredi ho dwuma no. Onwini a ɛnteɛ ne nhyɛso a aka nso betumi ama wɔakyinkyim.

Fa nhwɛsode ahorow gu reference surface a ɛyɛ tratraa koro no ara so bere a wɔayi no adi ne bio bere a ayɛ nwini awie no. Hyɛ bere a flange no fi ase ma soro no nsow. Hwɛ sɛnea onwini no sen ne adwinnade-ɔhyew a ɛkɔ so pɛpɛɛpɛ, afei susuw bere a wɔde gyae no ho.

Fa stacking ka sɔhwɛ no ho. apampan a ɛte sɛ nea wogye tom wɔ nkuku no so no betumi asɛe bere a wɔredi ho dwuma akyiri yi no. Fa nhwɛsode ahorow a wɔfaa ansa na wɔaboaboa ano ne bere a wɔaboaboa ano akyi no toto ho na woahu stage a ne nsusuwii sesa.

Afã horow a Ɛbata Nkuku anaa Plug no ho

Hwehwɛ baabi a ɛbata ho no pɛpɛɛpɛ: layer-to-layer wɔ roll no so, wɔ feed kwan no so, wɔ plug no so anaa bere a nkuku no regyae no. Wɔn mu biara twe adwene si nhwehwɛmu soronko bi so.

Sɛ adwinnade bata ho a, hwɛ contact surface, draft, cooling ne release nnidiso nnidiso. Kyerɛw sɛ ebia baabi a wokura no nso kyerɛ sɛ wɔretwe anaasɛ wɔayɛ teateaa anaa. Hwɛ sɛnea release-air yɛ adwuma wɔ baabi a adwinnade no de di dwuma no.

Sɛ woresusuw aduru foforo a wɔde kata so anaasɛ anti-block ayaresa ho a, fa nsɔano, tintim anaa bonding ka ho wɔ nneɛma a wɔde sɔ hwɛ no mu. Ɛsɛ sɛ ɔfasuo ho nkyerɛkyerɛmu no yɛ adwuma fa ɔkwan a wɔfa so yɛ no nyinaa so.

Sɛnea Wɔhwehwɛ Mpaapaemu, Nsonsonoe a Ɛyɛ Den ne Nsase So Agyiraehyɛde

Krak a Ɛpaapae Bere a Wɔreyɛ anaasɛ Wɔredi Ho Dwuma

Faako a mpaapaemu di kan da adi no boa ma nea ɛde ba no yɛ ketewaa.

Mpaapaemu a ɛba bere a wɔayɛ no akyi pɛɛ no ​​hwehwɛ sɛ wɔhwehwɛ mpɔtam hɔ ntrɛwmu, ɔhyew, radii ne ɔfasu no mu duru mu. Mpaapaemu a efi ase wɔ ano a wɔatwitwa so no hwehwɛ sɛ wɔhwehwɛ nea wɔatwa no mu yiye.

Fa nhwɛsode ahorow sie ansa na woatwitwa na fa toto afã horow a wɔawie ho. Hwɛ sɛ ebia nsensanee nketenkete ne ntwitwiridii a enni mũ anaa. Hwɛ blade tebea, alignment, part support ne registration ansa na woasesa krataa so nsɛm nkyerɛkyerɛmu no.

Sɛ mpaapaemu a ɛba bere a worekyekyere anaa wode redi dwuma no a, hwɛ baabi a mpaapaemu no fi ase. Fa saa beae no toto ne kɛseyɛ ho mfonini ne nkitahodi anaa adesoa biara a wɔde di dwuma bere a woredi ho dwuma no ho.

Scratches, Plug Marks ne Uneven Surface Finish

Mpɛn pii no, agyiraehyɛde ahorow a wɔtaa de di dwuma no ma yehu beae a mfaso wɔ so. Fa agyiraehyɛde biara toto rollers, guides, plugs ne mold surfaces ho. Hwɛ krataa so nsɛm a ɛreba no mu na hwɛ sɛ ɔsɛe no fii ase kan anaa.

Fa ɔkwan a wɔapene so hohoro contact surfaces a ɛfa ho no ho, hwɛ sɛ asɛe anaa na hwɛ sɛ krataa so nsɛm no tu kwan a ɛnsɛe. Baabi a ɔhaw no yɛ gloss anaa texture nsakrae no, hwɛ mpɔtam hɔ adwinnade hyew ne contact tebea ne ahotew nso.

So Ɔhaw no wɔ PET plastic krataa anaasɛ Thermoforming Process no mu?

Mfomso bi a epue bere a wɔasesa nhoma mmobɔwee akyi no ma ɛfata sɛ wɔhwehwɛ asɛm no mu, nanso ɛnkyerɛ nea ɛde bae. Ebia roll loading, krataa so nsɛm orientation, tension ne mfiri tebea asesa bere koro no ara mu.

Fa ntotoho a wɔahyɛ so di dwuma de sɔ nkyerɛkyerɛmu no hwɛ.

Fa eyinom di dwuma sɛ nsusuwii hunu. Mfomso a ɛwɔ abura biako mu da so ara betumi ada nneɛma anohyeto bi adi, na ɔhaw bi a ɛfa pii ho betumi ada adeyɛ bi a ɛbɛn ne anohyeto adi.

Sɛ wopɛ ntotoho a mfaso wɔ so a, fa nsɛm a wɔde gyina so no tu mmirika, sɔ lot a ɛka no hwɛ, afei san kɔ nsɛm a wɔde gyina so no so wɔ baabi a ɛbɛyɛ yiye. Kyerɛw biribiara a wɔde wɔn ho bɛhyɛ mu wɔ mmirikatu ahorow ntam. Sɛ mprempren ade a edi kan no nso di nkogu a, ɛsɛ sɛ wɔyɛ afiri no anaa sɛnea wɔyɛ no ho nhwehwɛmu bio.

PET Thermoforming Sɔhwɛ Nhwehwɛmu Nhoma a Ɛyɛ Mfaso

Ansa na wobedi asɛnni a edi hɔ no, munnye ntom wɔ nea ɛho hia sɛ ɛyɛ ɔfã a edi mu no ho. Sɛnea ɛte no nkutoo betumi ayera ntwea a ɛyɛ tratraa, flange a ɛkyinkyim anaasɛ ɔsɛe a ɛba bere a wɔrehyehyɛ nneɛma no.

1. Fa nsɛm a wɔde gyina so sie. Label afã horow a wogye tom ne sintɔ ne nneɛma lot, cavity ne production stage.

2. Fa nhyehyɛe a wode fi ase no sie. Kyerɛw heater mmeae, cycle bere, plug nhyehyɛe, vacuum anaa nhyɛso tebea, onwini ne line ahoɔhare.

3. Paw nsusuwii hunu biako. Ka nkɛntɛnso a wɔhwɛ kwan no ansa na woayɛ nsakrae wɔ ɔkwan a wɔfa so yɛ no mu.

4. Yɛ nsakrae biako a wɔahyɛ so. Tra nneɛma ne nnwinnade anohyeto a wɔapene so no mu.

5. Ma tebea horow no nnyina pintinn. Tetew nsakrae afã horow no fi nhwɛsode ahorow a wɔde dii dwuma de totoo ho no ho.

6. Hwɛ ɔfã no nyinaa mu. Hwɛ pefeeyɛ, ɔfasu no mu duru a ɛba fam koraa, nsɛm a ɛkɔ akyiri, flange nsusuwii, gyae ne trim su.

7. Hwɛ sɛnea adwumayɛ a ɛwɔ ase hɔ no yɛ nokware. Fa stacking, closure anaa sealing ne handling checks a application no hwehwɛ ka ho.

8. Fa nea efi mu ba no sie. Kyerɛw nhyehyɛe ahorow a edii nkonim ne tebea horow a wɔde sii hɔ no.

Ɛsɛ sɛ sɔhwɛ ho kyerɛwtohɔ a mfaso wɔ so ma nsakrae a edi hɔ no san yɛ nea efi mu ba no bio. 'Ɔhyew pii a wɔde aka ho' nnɔɔso: kyerɛwtohɔ no hia zone, nsakrae, nneɛma ne nea efi mu ba a wɔahwɛ.

Nea Ɛsɛ sɛ Wokyerɛ Bere a Worekra PET Thermoforming Sheet

Ɛsɛ sɛ adetɔ ho nkyerɛkyerɛmu bi de krataa so nsɛm no bata paket a wɔawie no ho. Ne kɛse ne ne tɛtrɛtɛ yɛ saa nkyerɛkyerɛmu no fã bi kɛkɛ.

• Nneɛma: grade ne nhyehyɛe a wɔapene so, a nneɛma a wɔasan de adi dwuma ka ho wɔ baabi a ɛho hia.

• Gauge: nominal thickness, tolerances ne mmeae a wɔapene so sɛ wobesusuw.

• Roll format: ne trɛw, roll nsusuwii, winding akwankyerɛ ne soro kwankyerɛ.

• Sɛnea ɛte: ahwehwɛde ahorow a ɛfa haze, kɔla, specks ne surface marks ho.

• Ɔfã geometry: apampan mfonini, twetwe bun ne ɔfasu no mu duru a ɛba fam koraa a ɛho hia.

• Nneɛma a wɔhwehwɛ wɔ soro: ayaresa ne nsuo a ɛwɔ fam nsɔano anaa tintim ahiadeɛ.

• Gye a wogye tom: nhwɛsode-sɔhwɛ tebea ne adwumayɛ ho gyinapɛn a wɔawie.

Sɛ ɛyɛ huammɔdi a ɛsan ba a, fa nea ɔde ma no mfonini, afã horow a wɔakyerɛw so, krataa so nsɛm nhwɛsode a wɔanhyehyɛ ne sɔhwɛ ho kyerɛwtohɔ no mena. Ka sɛ ebia sintɔ no di pii akyi, wɛb gyinabea anaa abura.

HSQY deɛ no PET thermoforming krataa so nsɛm range ma mfitiaseɛ a wɔde bɛsusu nneɛma a wɔpaw ho. Kyɛ wo mfonini, mprempren krataa so nsɛm nkyerɛkyerɛmu ne adeyɛ ahwehwɛde ahorow na woasusuw sɔhwɛ ade a ɛfata ho.

Di HSQY nkitaho Fa PET Thermoforming Krataa ho

Nsɛmmisa a Wɔtaa Bisa Fa PET Thermoforming Defects ho

Ɔhyew Bɛn na Ɛsɛ sɛ PET plastic krataa Du Ansa na Ɛbɛyɛ Thermoforming?

Fa krataa so nsɛm supplier no recommended forming window no di dwuma na hwɛ sɛ ɛyɛ nokware wɔ ɔfã ankasa no so. Grade, gauge, ɔkwan a wɔfa so yɛ ɔhyew ne geometry nya nhyehyɛe no so nkɛntɛnso. Kyerɛw fononoo nhyehyɛe ahorow no wɔ ɔkwan soronko so fi krataa so nsɛm ɔhyew a wɔasusuw ho efisɛ ɛkyerɛkyerɛ tebea horow mu.

So Ɔhyew a Ɛkɔ Anim no Betumi Ayi Ntwea Fitaa Afi Hɔ?

Ebia ɛbɛboa bere a wɔretrɛw baabi a awɔw wom dodo no. Ebetumi ama mununkum a ɛfa ɔhyew ho asɛe wɔ APET . Hwɛ sɛ fitaa no ba bere a wɔreyɛ hyew anaasɛ bere a woatwe mfonini akyi nkutoo, afei fa toto ɔfasu a ɛwɔ mpɔtam hɔ no ho ansa na woapaw nsakrae bi.

So PET plastic krataa Hia Bere Biara sɛ Wɔyɛ Pre-Drying?

Dabi, wɔayɛ PET ne copolyester krataa so nsɛm s bi a wɔtɔn no sɛnea ɛbɛyɛ a ɛbɛhyehyɛ a wonni kan nyow. Di akwankyerɛ a wɔde ama wɔ abasobɔde pɔtee no akyi na bu ne storage abakɔsɛm ho akontaa. Ɛnsɛ sɛ wɔyɛ nyansahyɛ ahorow a wɔde ma PET resin a wɔde bɛyow ansa na wɔayi afi mu no ho mfonini tẽẽ kɔ thermoforming nhyehyɛe a wɔawie- krataa so nsɛm mu.

So RPET De Forming Mfomso Pii Ba Ne Ho?

Nneɛma a wɔasan de adi dwuma nkutoo nkyerɛ nea ɛde sintɔ bi ba. Hwɛ krataa so nsɛm a wɔde ama no sɛ ɛyɛ pɛpɛɛpɛ ne ne adwumayɛ de toto aplikeshɔn no ho. Fa lots toto ho wɔ tebea horow a wɔahyɛ so, a gauge, sɛnea ɛte ne nea wɔawie-afã suban ka ho.

So Thicker PET plastic krataa Besiesie Ntwea a Ɛyɛ Mmerewa?

Ebia ɛbɛma wɔanya nneɛma pii, nanso sɛ wɔankyekyɛ yiye a, ebetumi ama mmeae koro no ara ayɛ teateaa a ɛnsɛ. Hwɛ heater kari pɛ, plug action ne geometry, afei bu sɔhwɛ no atɛn denam ɔfasu no mu duru a ɛba fam koraa ne ɔfã a wɔawie no adwumayɛ a wɔhwehwɛ no so.

Mfiridwuma Ho Nsɛm a Wɔde Kyerɛw

Nneɛma a wɔyɛ no akwankyerɛ a edidi so yi de nsɛm a ɛfoa so ma wɔ PET ne copolyester krataa so nsɛm dwumadie ho. Wɔn adwumayɛ ho nyansahyɛ ahorow no fa nneɛma a wɔabobɔ din no ho na ɛsɛ sɛ wɔde toto mprempren akwankyerɛ a ɛfa krataa so nsɛm a wɔde redi dwuma no ho.

• Brett Martin: Marpet PET plastic krataa Mfiridwuma ho Akwankyerɛ

• Eastman: Spectar Copolyester a Wɔyɛ na Wɔyɛ Krataa