2026-09-24
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Rubber Sealing Strip Specifications and Common Models Guide

Rubber Sealing Strip Specifications and Common Models Guide

Sealing strips for doors, windows and curtain walls follow GB/T 24498-2009. EPDM grades marked EPDM60-4-3 (hardness-recovery-aged recovery); tensile >=5.0MPa (>=10.3MPa for curtain wall), compression set <=35%, no crack at -40C.

Key Specifications

Item Parameter
常用断面 D 型、E 型、P 型、O 型、9×9、7×8 等(可开模Custom)
Material EPDM 三元乙丙、VMQ Silicone、PVC/PPVC、TPE
硬度(邵氏A) 55~75 度,常用 60±5 度
拉伸强度 ≥5.0MPa(幕墙用胶条 ≥10.3MPa)
Service Temperature EPDM -50~+120℃;Silicone -60~+200℃
压缩永久变形 100℃×168h、25%压缩率条件下 ≤35%
低温脆性 -40℃ 不破裂

Applications

  • Windows, doors and curtain walls
  • Automotive doors and hatches
  • Electrical cabinets and enclosures
  • Machine covers and access doors
  • Cold room and clean room doors

For quotations, samples or custom cutting of Rubber Sealing Strip, contact Maosheng Sealing Materials (Hejian, China): WhatsApp +86 185 0317 3007, email 2072321766@qq.com. See the Rubber Sealing Strip product page for details.

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