It serves auto, door, window and multiple electrical equipment.
Many buyers lack easy ways to judge product qualification.
We sort out simple practical quality inspection tips for you.
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Gentle Tear Resistance Test
First, test material anti-tear performance with hand tearing.
Premium silicone owns strong physical tear resistance ability.
Tear strip edges with mild proper manual external force.
Qualified strips will not break under slight pulling tension.
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Elastic Stretch Recovery Test
Next, check material stretching and rebound properties.
Good strips can stretch over 70% of original full length.
Release external pulling force at once after stretching.
Qualified products bounce back to original complete shape.
Inferior materials stay deformed and cannot restore well.
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Surface Nail Scratch Test
Besides, scratch strip surface lightly with your fingernail.
Low-grade silicone will show obvious white scratch marks.
It cannot bear frequent opening and closing working cycles.
It fails long-term door and window sealing application needs.
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Simple Smell Identification Test
Moreover, smell silicone body for abnormal peculiar odors.
Standard sealing products should stay totally odorless.
Auto seals need to meet above food-grade safety standards.
Any strong odor means unqualified unsafe raw material.
You select reliable silicone seals for all usage scenes.
Taihua Silicone supplies high-standard stable performance strips.