Condensing ngu ai n-gun rawng ai silicone ngu ai gaw hpa rai ta?
Kaja ai hku tsun ga nga yang, condensation amyu hku galaw mai ai silicone gaw, nta kata na nbung katsi ai shara hta n-gun rawng ai elastomer re. Anhte chye da ai industrial adhesives ni hte n bung ai sha, nta ntsa na nsam ni hpe shingdaw na matu laksan galaw da ai re. Dai gaw ntsin zawn lwi nga ai, rubber zawn n-gun ja ai, grai kaja ai demolding atsam ni nga ai.
Hpa majaw nta gap ai ni gaw "condensation type" hpe grau ra sharawng ma ai kun?
GRC (glass fiber hte n-gun ja ai concrete), cement arung arai ni hte plaster line ni hpe galaw shapraw ai shaloi, dai arung arai ni gaw alkaline makau grup yin hte hkum hkrang n-gun jat ai lam ni hpe hkam jan lu ra ai. Condensation amyu silicone rubber gaw lawu na arawn alai ni hpe rawng ai majaw, nta gap ai hta "evergreen" ngu ai arai langai byin tai wa ai:
1. Grai kaja ai manu jahpu-htuk manu ai lam: Moulding silicone hte shingdaw yang, condensation silicone gaw manu jahpu-hpaji masa hpe grau law hkra jaw ya ai sha n-ga, nta gawgap ai arung arai ni a galaw shapraw ra ai lam ni hpe mung hkap la lu ai. Mold galai shai ai lam law law nga ai galaw shapraw ai line ni a matu, ndai gaw shawng nnan na gumhpraw bang ai lam yawm ai lachyum re.
2. Laklai ai hka n-gun: European-style hkrang (sh) n-gun ja ai hkrang ni lawm ai hkrang ni a matu pyi, condensation silicone gaw si ai shara n nga ai sha, kaji kajaw gap ai shara shagu hpe jahpring ya lu ai majaw, hkrang a asan sha ai lam gaw micron madang du hkra rai lu ai.
3. Chemical hpe ninghkap lu ai atsam hte shrinkage rate n law ai: Cement hte concrete a alkaline corrosion hpe atsawm sha hkam sharang lu ai, n-gun yawm mat ai hpang shrinkage rate gaw grai n law ai (galaw madang 0.2% laman) rai nna, batch hku galaw shapraw ai arung arai langai hpra a galu kaba ai lam gaw maren sha re ai hpe kam mai ai.
Gawgap bungli hta gara hku hkrak jai lang na kun?
Ndai lam hpe shawng ningnan lang hkrum katut ai rai yang, ndai kaw "hpyen n-gun ni hpe koi gam na matu lam matsun" nga ai, dai gaw anhte a client ni hpe anhte ayan garan gachyan ai tatut mahkrum madup mung rai nga ai:
· Hkrang shapraw na matu ahkyak ai: Silicone hte n-gun ja ai tsi (galaw madang 2%-3%) hpe atsawm sha kayau kaya galaw ra ai. Container bunghku ni hta n kayau ai arung arai ni nga yang, shara nkau mi hta n hkum tsup ai hku hkam kaja wa nna, na a mold hpe hkra machyi shangun na re.
· Vacuum degassing: Ndai lam gaw grai ahkyak ai. Gawgap ai mold ni gaw law malawng kaba ai. Nbung n-gun ni hpe kayau ai shaloi bang dat yang, dai n-gun ni gaw cement hpe ru bang ai shaloi "explosion lines" byin wa nna, hkrang hpe hkra machyi shangun na re. Bubbles ni hpe shaw la na matu vacuum machine lang na matu (sh) curing agent a shadawn shadang hpe shayawm nna degassing aten hpe galu hkra galaw na matu hpaji jaw da ai.
· N-gun madi shadaw ai lam: Gawgap ai arung arai ni hta n-gun grai ja ai majaw, silicone a n-gun atsam sha n law ai. Anhte gaw, hka ru ai shaloi, n-gun n hkra hkra, madi shadaw ai hku nna, silicone n-gun grup yin hta fiberglass (sh) gypsum shinggan n-gun hpe galaw na matu hpaji jaw ga ai.
Masha law malawng myit shut ai lam: Jat bang ai lam hte gara hku shai ai kun?
Mari ai ni law law gaw: "Manu grau hpu ai injection molding de sa ra na kun?" Na a product hta madung nga ai.
· Condensation amyu: Masha law malawng lang ai lata hte galaw ai bungli ni hte cement, gypsum, hte resin zawn re ai arung arai ni a matu htuk manu ai. Shi gaw bungli galaw ai makau grup yin a matu ra kadawn ai lam ni hpe loi mi sha n-gun n rawng ai sha, demolding ra kadawn ai lam law malawng hpe hkap la lu na matu, myi prwi hpe ninghkap lu ai atsam nga ai.
· Injection amyu: Tengman ai daw ni, malu masha-grade model ni, shing nrai grai dan dawng ai lam ra ai mabyin masa ni a matu grau htap htuk ai.
Hpaga lam hta, condensation amyu hpan arung arai ni gaw, acid hte alkali ni hpe grai hkam sharang lu ai majaw, bungli galaw na matu loi ai a majaw, galoi mung grau ra sharawng ai arung arai ni rai nga ai.
Hpa majaw nga yang, n-gun ja ai hte grai hkrak ai silicone mold hpe lu ai ngu ai gaw, kaja ai hku galaw shapraw lu na matu kam hpa myit nga ai ngu ai lachyum re. Anhte a condensation type silicone nlung ni hpe kasi la ai nlung arung arai ni, htunghking nlung nlung ni, Roma nlung npawt kaba ni hpe galaw ai hta grai lang wa sai.
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