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Temperature Resistance 耐溫性 |
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| Silicones硅硐膠： |
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* 低溫值~ 100°-120°C Low cost ~ 100°-120°C (extended products harden over time)
* 標準溫度~ 150° CStandard ~ 150°C
* 高溫穩(wěn)定在~ 250°C （紅、黑High temperature stabilized ~ 250°C (red/black) |
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| Polyurethane聚氨酯膠： |
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* 恒溫80 °C Permanent 80 °C
* 最高溫~ 100° CPeak ~ 100°C |
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Good adhesion on non-porous substrates/glass
與不滲水基面或玻璃上的粘結 |
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| Silicones硅硐膠： |
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* 與玻璃層面的良好粘結,裝玻璃的理想產品 Excellent adhesion on glass ideal for glazing
* 無需底油，與很多塑料基面的良好粘結（根據系統(tǒng)不同而定），仍需測試。
Adhesion on many plastic’s without primer (depending on systems)should check test |
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| Polyurethane聚氨酯膠： |
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* 在有紫外線的環(huán)境下，需黑色底油支持結構性玻璃
Need black primer on glass if exposed to UV
* 不可用于玻璃安裝 no glazing applications
* 在多數(shù)塑料基面上使用時，仍需進行粘結測試
Must check adhesion to all plastics with/without primer or cleaner. |
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Easy gunability / wide temperature range
施工溫度 |
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| Silicones 硅硐膠： |
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* 10 °C - 40 °C 內擠壓性穩(wěn)定
Only small increase in extrusion force between 10 °C - 40 °C |
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| Polyurethane 聚氨酯膠： |
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* 在低溫下，產品會變粘稠，變硬一些
Products tend to get thicker at low temperature and become a bit harder to extrude |
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Repair of joints
可修補性 |
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| Silicones 硅硐膠： |
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* 很難修補 Very difficult
* 基面上舊的粘膠很難清除,舊的基面無粘性
Old sealant difficult to clean off substrate,no adhesion
* 唯一解決方法是覆以粘接帶（條)----價格昂貴
Cover up with a sealant strip (band) is only solution----Expensive
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| Polyurethane 聚氨酯膠： |
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* 只需切除舊膠，并直接在殘余舊膠上施用----便宜多了
Cut out old joint and reseal directly onto remaining sealant----much cheaper
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