硅橡胶形态选型:HTV、LSR、RTV-1、RTV-2 与密封胶
硅橡胶形态的选择取决于生产方式、固化环境、尺寸精度要求和产量。
| 规格 | ZEMSIL SB-HTV | ZEMSIL SB-LSR | ZEMSIL SB-RTV2 | ZEMSIL SB-RTV1 | ZEMSIL SS-AC | ZEMSIL SS-NK | ZEMSIL SS-WS |
|---|---|---|---|---|---|---|---|
| 形态 | HTV solid rubber | LSR (liquid) | 2-component RTV | 1-component RTV | 1K acetoxy sealant | 1K neutral sealant | Water-based sealant |
| 加工方式 | Compression / extrusion | Injection moulding | Mix & pour / encapsulate | Gun/tube, on-site | Gun/tube | Gun/tube | Gun/tube, brush |
| 固化机理 | Peroxide or Pt addition | Pt addition (heat) | Condensation (Sn cat.) | Moisture / acetoxy | Moisture / acetic acid | Moisture / neutral | Water evaporation |
| 邵氏A硬度(典型值) | 40–80 | 20–60 | 15–60 (adjustable) | ~30 | ~25 | ~20–40 | — |
| 最佳应用 | Seals, gaskets, tubing | Precision moulded parts, medical | Potting, encapsulation, moulds | Construction, glazing, general | Glass/aluminium glazing | Electronics, metal bonding | Porous substrates, masonry |
如何选型
- ▸大批量压模密封件或挤出型材:SB-HTV。
- ▸精密注塑件(医疗、键盘、婴儿用品):SB-LSR。
- ▸灌封、包封或软模——小批量或量产:SB-RTV2。
- ▸建筑现场密封、幕墙或DIY修缮:SB-RTV1(脱酸型)。
- ▸敏感金属或电子器件(不允许酸):SS-NK(中性固化)。
- ▸多孔混凝土、石材或砌体:SS-WS(水基,无溶剂)。
对比产品
ZEMSIL SB-HTV
HTV Silicone Rubber Compound
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ZEMSIL SB-LSR
Liquid Silicone Rubber (Addition Cure)
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ZEMSIL SB-RTV2
Two-Component RTV Silicone Rubber
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ZEMSIL SB-RTV1
Single-Component RTV Silicone Rubber (Acetoxy Cure)
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ZEMSIL SS-AC
Acetoxy Cure Silicone Sealant
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ZEMSIL SS-NK
Neutral Cure Silicone Sealant
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ZEMSIL SS-WS
Water-Based Silicone Emulsion Sealant
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