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borosilicate glass 3.3 lens
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PMMA Lens
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high transmittance (3mm thickness penetration of about 93%);
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temperature must not exceed 80 ° (heat distortion temperature of 92 degrees ).
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PC lens
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lower transmittance (3mm thickness penetration of about 89%)
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temperature must not exceed 110 ° (heat distortion temperature of 135 degrees).
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borosilicate glass 3.3 lens
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high transmittance (3mm thickness penetration 97%)
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working temperature is -50~550 degree , softening is more than 800 degrees, melt is around 1500 degrees.
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