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请参考:
" e6 E- t+ M5 ySee General Information for Plastics - Component( P1 S! m: E* h$ x
http://database.ul.com/cgi-bin/X ... 7222&sequence=1
1 a0 t7 V* d" P# w3 iRTI Elec — Electrical RTI, associated with critical insulating properties.
# I3 F/ @7 n `+ @+ x4 `RTI Mech Imp — Mechanical Impact RTI, associated with critical impact resistance, toughness, elongation and flexibility properties. i& J% c# U3 e4 |, p! n6 H& C" Q" m0 y
RTI Mech Str — Mechanical Strength (Mechanical without Impact) RTI, associated with critical mechanical strength and structural integrity where impact resistance, resilience and flexibility may not be essential. |
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