The market is increasingly flooded with cheap imitations—such as modified TPE or soft PVC—falsely labeled as silicone to lower costs. Using these “fake silicone” products in outdoor projects leads to high failure rates. Therefore, knowing how to quickly identify real silicone or cheaper fake materials is critical for protecting your business reputation. The most reliable field test is the Burn Test:
| Material Type | Smoke Color | Residue Characteristic |
|---|---|---|
| Real Silicone | White Smoke | White, powdery ash (like flour) |
| PVC / TPE (Fake) | Black, Acrid Smoke | Black, charred, soft solid |
CRITICAL NOTE for Burn Test: Always use a clean-burning fuel lighter (like a Zippo or butane lighter). Do NOT use kerosene lighters or candles, as kerosene itself produces black smoke when burned. This will cause the outer sheath of the tested neon light strip to turn black, leading to a false result of identify real silicone.
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