查看塑胶材料认证 QMFZ2 Guide info 6 P! E1 I: E2 J: {! ^
Thermal Endurance . Q5 `$ e8 j* x$ {- `1 i/ {$ v
The temperature below which a class of critical property will not be unacceptably compromised through chemical thermal degradation, over the reasonable life of an electrical product (relative to a reference material having a confirmed, acceptable corresponding performance) is defined as the Relative Thermal Index (RTI). More than one RTI may be appropriate for a given material depending on the property requirements for a given application. In certain cases, higher temperatures are permitted if so specified by the end-use product standard.
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: B Q. D& T9 | g5 {8 I8 F$ nRTI Elec — Electrical RTI, associated with critical insulating properties.
/ j D+ y( {) b( K" WRTI Mech Imp — Mechanical Impact RTI, associated with critical impact resistance, toughness, elongation and flexibility properties. W# T$ @7 x G( P5 h w4 Z
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.3 M+ B4 R9 L4 ]: t3 a b
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