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Photo Control Automatic Light Based Sensor MQ 4 Natural Gas Sensor Module For Methane(CNG) gas Detector Module material issues material issues Property Value Appearance Clear to slightly amber liquid Viscosity Optimized for spray application Cure Time 24 hours at room temperature Coverage ~50 100 sq ft per 500ml (application dependent) Dielectric Strength High voltage protection Flexibility Excellent prevents cracking Frequently Asked Questions Can this sensor be used outdoors and dedicated technical support via email and WhatsApp
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