Unverified88% confidenceDecision RuleTime unknown
锁扣式（登山扣/D扣）连接强度远高于塑料插扣，20kg以上犬种应选金属锁扣，塑料插扣长期使用易老化脆裂在暴冲时崩开
1
Sources
88%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Unverified金属锁扣（登山扣式/D扣）承重通常＞50kg且不易被撕咬破坏，塑料卡扣虽轻便但反复开合超过2000次后易疲劳断裂，大型犬和易激动犬应选金属锁扣92% similarUnverified快拆塑料扣件便捷但强度低于金属插扣，大型犬急拉时塑料扣可能崩开；30kg以上犬只建议选金属承力扣或套头式（无胸口扣）结构92% similarUnverified扣环优选金属插扣或不锈钢D环，塑料快拆扣在大型犬爆发力拉扯下（>20kg）易断裂脱开89% similarUnverified锁扣优先选攀岩级金属D扣或旋转登山扣，塑料卡扣（侧压式）在大型犬拉力下易断裂脱扣，中大型犬务必避免纯塑料快扣88% similarUnverified快拆扣件（侧开式）方便穿脱，但塑料卡扣承重能力弱于金属扣，大型犬（≥25kg）应确认卡扣或D环为金属材质，避免爆冲时崩断88% similar
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