Product Name: Solar energy automatic light welding glassesFrame material: polymeric materialLens Material: Polycarbonate LensFrame adjustment: adjustableWeight: 200gVariation time: 0.5 msRecovery time: 0.3-0.7 msUse temperature: negative 10 degrees -60 degreesSize: 14.8 * 6.5cm observation window 8.8cmFeatures: 1, polycarbonate lens protective glasses, effective blocking 99.9% UV and 98% infrared;                2, the lens to take scratch coating, can effectively extend the lens life;                3, suitable for gas cutting, brazing, soldering operations
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