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MATERIAL WORLD Gelcoats
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Discerning end-users look for a high quality hull coating but the
glossy finish is vital to more than just first impressions. We look at
advantages, challenges and future of gelcoats B=<G8=<3A@3>=@BA
Gelcoat facts
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Quicker one-hit method providing more Ö0]ObPcWZRS`ac\RS`abO\ROPZg]PaSaa
uniform thickness. New guns are being OP]cbUSZQ]ObPSQOcaSQcab][S`a
developed to reduce waste. Air extraction a^S\RW\UaWU\W¿QO\bO[]c\ba]TbVSW`
required to combat styrene emissions ]e\[]\Sg]\`SQ`SObW]\OZQ`OTbO`SdS`g^WQYgOP]cbO^^SO`O\QS/ZSaa
bVO\^S`TSQbSfbS`W]`W\RWQObSaOaZOQY6/<2:/GC>
O^^`]OQVb]]dS`OZZ_cOZWbgRequires only basic equipment. At least
ÖBVSabO\RO`R]TSfbS`\OZ¿\WaVtwo applications are needed. Consistent
RS^S\RadS`gZO`USZg]\V]e[cQVthickness is harder to achieve but it
bW[SO\RSTT]`bVOaPSS\Sf^S\RSRproduces much less styrene emission
]\bVSW\bS`W]`ac`TOQS]TbVS[]cZR
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Main laminate ]cbS`[]abZOgS`]TbVSZO[W\ObS
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W[^]`bO\bO\RbVS eWZZPSb]QVOZYW\U5SZQ]Ob[cabOZa] ]TOZZPcbWa`O`SZgcaSRSfQS^beWbVE
¿`abW[^`SaaW]\O Q]\bOW\ObVWf]b`]^WQORRWbWdSb]ab]^Wb QO`P]\S^]fgZO[W\ObSaRcSb]
^]bS\bWOZQcab][S`USba]TO\gP]ObWa aOUUW\U]\dS`bWQOZ^]`bW]\a]TbVS Q][^ObWPWZWbgWaacSa
ÖcacOZZgbVSSfbS`\OZ¿\WaV/aac[W\UbVS []cZRRc`W\UO^^ZWQObW]\ >`W\bbV`]cUV´eVS`SbVS^ObbS`\
ac`TOQSaO`STOW`bVOb[SO\abVSUSZQ]Ob 1ObSU]`WSa]TUSZQ]ObO`SZO`USZg ]TbVSQZ]bVcaSRT]`bVS]cbS`[]ab
0cbbVSW[^]`bO\QS]TUSZQ]Ob bVSaO[SOaZO[W\ObW\U`SaW\a]_cOZWbg ZOgS`]TbVSZO[W\ObSWadWaWPZSXcab
SfbS\RaTO`PSg]\R^`]dWRW\UOVWUV W[^`]dSaOag]c[]dST`][]`bV] PSVW\RbVSac`TOQS´Wa\]bOUSZQ]Ob
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ab`cQbc`OZW\bSU`WbgO\Rg]c`SOZWaSbVOb VSObO\RRWaUcWaSaW[^S`TSQbW]\aO\R Q][^]c\R]TbS\caSR]\bVSe]`ab
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]TUSZQ]Ob_cOZWbg OZa]VOaO\Obc`OZbS\RS\Qgb]gSZZ]e ;]abPcWZRS`ae]cZRPSdS`gVO^^g
BVS¿`abUSZQ]ObRSdSZ]^SRW\bVS eWbVOUSO\RbVWa^`]QSaaSdS\bcOZZg WTOZZbVSW`Qcab][S`aeS`SQ]\bS\b
'"aeOaSaaS\bWOZZg[ORSc^]T SfbS\Rab]OaWU\W¿QO\bRS^bVa]bVOb eWbVOeVWbS¿\WaVO\Ra][SOQbWdSZg
ZO[W\ObW\U`SaW\aeWbV^WU[S\bORRSR c\T]`bc\ObSZgWbQO\¸bPS^]ZWaVSR]cb RWaQ]c`OUSbVSQV]WQS]TbVSRO`YS`
BVS[]RS`\dS`aW]\WaTO`[]`S >WU[S\bSRUSZQ]ObaO`SO\SdS\ Q]Z]c`]^bW]\a
a^SQWOZWaSRPSW\UPZS\RSRW\]`RS`b] U`SObS`QVOZZS\USOabVSgO`S^`]\Sb] BVSa^SQWOZWaSRUSZQ]ObacaSRb]
[W\W[WaSS\dW`]\[S\bOZRSU`ORObW]\ TORW\UO\RQVOZYW\U]dS`bW[S0cbP]bV [O\cTOQbc`SbVS[]cZRaW\eVWQV
b]ZS`ObSPS\RW\UeWbV]cbQ`OQYW\UO\R bVSaS^`]PZS[a]\ZgOTTSQbbVSac`TOQS ¿\WaVSRQ][^]\S\baO`SZOWRc^
& August/September u0s www.europeanboatbuilder.net
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