36W LED Panel Light Fixture

36W LED panel light fixture

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LED lenses classified by material

1. Silica gel lens

a, because of the high temperature of silica gel (which can also pass reflow soldering), it is commonly used directly in LED chips.

b. Ordinary silica gel lenses are small in size and 3-10mm in diameter.

2. PMMA lens

a, optical level PMMA (polymethyl methacrylate, commonly known as acrylic).

b. Plastic materials, advantages: high production efficiency (can be completed by injection molding and extrusion);

High transmittance (about 93% penetration in 3mm thickness);

Weakness: the temperature should not exceed 80 ° (thermal deformation temperature of 92 degrees).

3. PC lens

a, Polycarbonate Polycarbonate (PC) Polycarbonate.

b. Plastic materials, advantages: high production efficiency (can be completed by injection molding and extrusion);

The transmittance is slightly lower (the penetration rate is about 89% in 3mm thickness).

Weakness: the temperature should not exceed 110 ° (thermal deformation temperature of 135 degrees).

4. Glass lens

Optical glass material, advantages: high transmittance and high penetration rate (97%) and high temperature resistance;

Disadvantages: large bulk weight, single shape, fragile, easy to achieve mass production, low production efficiency, high cost.36W LED panel light fixture

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