4 kg/m³ Melamine Foam — Koetahi o nga Rawa Maamaa Ngaaariki me te Waiariki o te Ao
(na SINOYQX)
He aha te 4 kg/m³ Melamine Foam Kei roto i nga Maamaa Maamaa Maamaa Te Mahi Nui
| Momo Material | Kiato (kg/m³) | Mahinga Oro (α, auau teitei-waenganui) | Te Waahanga λ (W/m·K) | Ātete mura |
| Pahukahu Melamine (4 kg/m³) | 4 | ≈ 0.85 | 0.030-0.035 | UL94 V-0, tinei whaiaro |
| Putau Tuwhera Polyurethane Foam | 10-40 | He āhua | Toharite | Tuhi |
| Wuru Karaihe | 10-80 | pai | pai | Kore-whakangiha |
| Polyethylene Hononga (XLPE) | 25-80 | Poor | pai | He mura / mura |
| Konumohe pahuka | ≥100 | Toharite | Toharite | Te mura o te ahi |
He Tirohanga Matua: I te mātotoru o te 4 kg/m³ anake , ka whakakotahi te pahuka melamine i te tino māmā, te ātete mura, te mimiti oro teitei, me te whakamarumaru wera — ā, kāore e taea te whakataurite i roto i ngā kōwhiringa rauemi rererangi o nāianei.
- Taurangi Tauira Acoustic and Thermal Insulation Apa
Panui Tirohanga
I roto i ngā hanganga amiorangi, me whai ngongo oro (hei whakaiti i ngā kawenga oro i puta mai i te whakarewatanga) me te whakamahana wera (hei tiaki i ngā taputapu tairongo-mahana). Ka tukuna e te pahuka melamine 4 kg/m³ te ngongo whānui pai rawa atu (1–4 kHz) me te pupuri i te taumaha hanganga kia tino iti—he mea nui mō te whai huatanga o te utu whakarewatanga.
Manatoko me te Whakamatau
- Aukati: ISO 10534-2 / ASTM C423 — α ≥ 0.80 i roto i te awhe 1–4 kHz
- Whakahau hau: ASTM E595 — TML ≤ 1.0%, CVCM ≤ 0.10%
- Thermal: ISO 8301 / ASTM C518 — λ ≤ 0.035 W/m·K
- wiri: Te manawanui mo ia peerangi kawenga hihinga
- Hototahi: Me nga panui honi, nga kiriata MLI, me nga taputapu
Akoranga Take Angamaheni (Whakaiti Taumaha)
- Area: 10 m², matotoru: 20 mm → Rōrahi 0.2 m³
- Pahukahu Melamine (4 kg/m³): 0.8 kg vs. Wūru Karāhe (24 kg/m³): 4.8 kg
- hua: ~83% te mama ake me te mahi waiariki-oro rite
- Rocket Wāhanga Thermal and Acoustic Protection
Panui Tirohanga
He nui te kaha oro me ngā kawenga wera e pā ana ki ngā wāhanga miihini rōkete me ngā wāhanga i waenganui i ngā atamira i te wā e piki ana. Ko te pahuka melamine 4 kg/m³, me ngā mata matotoru me ngā mata kiriata PI, ka pehi i te wera me te haruru me te kore he pānga nui o te papatipu.
Manatoko me te Whakamatau
- Aukati: Te SPL teitei/whakamatautau wiri tupurangi mo ia LV spec
- Thermal: ISO 8301 / ASTM C518 — me te wetewete wera irirangi
- Naotapa: Te horonga rere o te hau
- Maama: UL94 V-0; Nga paerewa ahi NASA/ESA
- Whakahau hau: ASTM E595 mo te whakamahi kapi
Akoranga Take Angamaheni (Taraiti Weariki + Papatipu)
- Target: ΔT ≥ 10–15°C puta noa i te pakitara waka
- Tautuhi: Kiriata PI (25 μm) + 20 mm / 4 kg/m³ pahuka melamine + taiepa whakarewa
- hua: ~0.8 kg / 10 m² papatipu matua — parenga mahi-rua
- Rūnanga Pahihi rererangi me te Waihanga o roto o Avionics Bay
Panui Tirohanga
Me whakaiti te haruru, te whakamarie wera, me te haumaru ahi i roto i ngā kāpini waka rererangi arumoni me ngā wāhi waka rererangi . Ka whakaitihia e te pahuka melamine 4 kg/m³ te haruru o te kāpini, ka ārai i te haukū, ā, ka tutuki i ngā paerewa mura rererangi pakari.
Manatoko me te Whakamatau
- Aukati: ASTM C423 / NVH whakamātautau — ≥ 4 dB(A) whakaiti
- Maama: FAR 25.853, ASTM E662, BSS 7238/7239
- Thermal: ISO 8301 / ASTM C518
- mauroa: Te paihikara temp/makuku, te manawanui wiri
- Hauora/Haumaru: ISO 16000 VOC tukunga
Akoranga Take Angamaheni (Hangari + Waihanga)
- Area: 10 m², matotoru: 15 mm → Rōrahi 0.15 m³
- Melamine Foam (4 kg/m³): 0.6 kg vs. Pu Foam (20 kg/m³): 3.0 kg
- hua:~80% mama ake, ka heke haruru o te whare ≥ 4 dB(A)
- Te Haruru o te Waka Rererangi Hoia me te Whakaiti Waitohu Waitohu
Panui Tirohanga
E hiahia ana ngā waka rererangi hōia ki ngā rauemi e whakaiti ana i te haruru o te kāpini , e whakaiti ana i te tohu infrared , ā, e tu atu ana ki ngā taiao tino kino. Mā te pahuka melamine 4 kg/m³ ka tutuki ēnei whāinga me te kore e whakararu i te kawenga.
Manatoko me te Whakamatau
- Aukati: Nga whakamatautau NVH mo te mangere, te waka moana, me nga mahi
- Maama: UL94 V-0 / FAR 25.853 / MIL-STD haumaru ahi
- Te Whakaaetanga Impact: Te utaina hanganga/tuira hiringa
- Ngawha/IR: ISO 8301 / ASTM C518 + tātari waitohu IR
- Taiao mauroa: Te paihikara mahana, te makuku, te kohu tote
Akoranga Take Angamaheni (Haruru + Arotautanga Uta)
- Area: 10 m², matotoru: 20 mm → Rōrahi 0.2 m³
- Pahukahu Melamine (4 kg/m³): 0.8 kg vs. Miro Oro (18 kg/m³): 3.6 kg
- hua: ~78% te mama ake, ≥ 5 dB(A) te whakaheke haruru, ~3% te maturuturunga waitohu IR
Nga Painga o te Ao mo nga OEM Aerospace
- Tiimata Taumaha: Tae atu ki te 80% te mama ake i nga taonga tuku iho
- Taumahinga Ruarua: Thermal + acoustic i te paparanga kotahi
- Tautukunga: Ka tutaki ki a UL94 V-0, FAR 25.853, ASTM E595, me etahi atu
- mauroa: Ka mau i te wiri, te werawera, te makuku
- Te Tino Kairangi: Whakaitihia nga utu whakarewatanga me nga utu whakahaere
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