ʻOi aku ka maikaʻi loa o ka hoʻolei ʻana i ka wai ʻawaʻawa PMMA

ʻO ka wehewehe pōkole:

Hoʻohana ʻia e ka hoʻolei ʻana i nā ʻāpana silicone no ka hana ʻana i nā ʻāpana prototype a hiki i ka mānoanoa 10 mm: nā kukui, nā aniani, nā ʻāpana like ʻole me PMMA, cristal PS, MABS…

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• ka poli maalahi

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Huahana Huahana

Huahana Huahana

Huina ISOCYANATE PX 521HT A POLYOL   PX 522HT B MIXING
Lakiō huikau ma ke kaumaha 100 55
Aspect wai wai wai wai wai wai
kala kala akaka polū maopopo*
Viscosity ma 25°C (mPa.s) Brookfield LVT 200 1,100 500
ʻO ka ʻāpana o nā ʻāpana ma mua o ka hui ʻana ʻO ka lōʻihi o ka huahana i hoʻōla ʻia ISO 1675: 1985ISO 2781: 1996 1.07- 1.05- -1.06
Ke ola o ka ipuhao ma 25°C ma 155g (min) - 5 - 7

* Loaʻa ka PX 522 ma ka ʻalani (PX 522HT OE Māhele B) a me ka ʻulaʻula (PX 522HT RD Māhele B)

Nā Kūlana Hoʻoheheʻe Māmā

• E hoʻohana i loko o ka mīkini hoʻoheheʻe ʻia.

• E hoʻomāhana i ka mold ma 70°C (ʻoi aku ka maikaʻi o ka polyaddition silicon mold).

• E wela i nā ʻāpana ʻelua ma 20 ° C inā mālama ʻia ma kahi haʻahaʻa haʻahaʻa.

• E kaupaona i ka hapa A ma ke kīʻaha luna (mai poina e ʻae i ke koena o ke kīʻaha).

• E kaupaona i ka hapa B ma ke kīʻaha lalo (ke kīʻaha hui).

• Ma hope o ka degasing no 10 mau minuke ma lalo o ka momi e ninini i ka ʻāpana A i ka ʻāpana B a hui ʻia no 1 minuke 30 a 2 mau minuke.

• E hoolei i loko o ka mold silicone, i wela mua ia ma 70°C.

• E hoʻokomo i loko o ka umu ma 70 ° C ka liʻiliʻi.

• E hoʻopau ma hope o 45 mau minuke ma 70°C.

• E hana i ka hana wela penei: 3 hola ma 70°C + 2 hola ma 80°C a me 2 hola ma 100°C.

• I ka wā e ho'ōla ai, e kau i ka ʻāpana ma ke kū.

Hoʻoponopono i ka mālama ʻana

Pono e mālama ʻia nā mālama olakino maʻamau i ka wā e lawelawe ai i kēia mau huahana:

• hōʻoia i ka ea maikaʻi

• e komo i nā mīkina lima a me nā makaaniani palekana

No ka ʻike hou aku, e ʻoluʻolu e nānā i ka pepa ʻikepili palekana huahana.

Pākuʻi hoʻololi ISO 178 : 2001 MPa 2.100
Ka ikaika wiliwili ISO 178 : 2001 MPa 105
ʻO ka modulus tensile ISO 527 : 1993 MPa 2.700
Ka ikaika tensile ISO 527 : 1993 MPa 75
Elongation ma ka haʻihaʻi ʻana ISO 527: 1993 % 9
Ka ikaika hopena Charpy ISO 179/1 eU : 1994 kJ/m2 27
Paʻa hope ISO 868 : 2003 Kahakai D1 87
Hoʻololi wela aniani (Tg) ISO 11359 : 2002 °C 110
ʻO ka wela wela (HDT 1.8 MPa) ISO 75 Ae :1993 °C 100
ʻO ka mānoanoa hoʻolei kiʻekiʻe   mm 10
Ka manawa hoʻoemi ma 70°C (mānoanoa 3 mm)   min. 45

ʻO ke ola o nā ʻāpana ʻelua he 12 mahina ma kahi maloʻo a i loko o kā lākou mau pahu i wehe ʻole ʻia ma kahi mahana ma waena o 15 a me 25 ° C.

Pono e paʻa paʻa nā kīʻaha hāmama ma lalo o ka nitrogen maloʻo.


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