Customized warning signs, what material are the warning signs made of?

The style of warning signs has national standards. 1. Sign material: PVC, enamel, aluminum reflective, stainless steel, aluminum corrosion, etc. 2. National standard size of safety signs: A 500*4 00, B 4 00*3 20, C 3 00*2 40, D 2 00*1 0, there are also regular sizes of 2 00*2 50, 3 00*2 00, bar 0 *Lu 5 2 00 * 1 Lu 0 3. Sign content: ⑴No safety sign series: no fireworks, no opening, no smoking, no entry, no people working on the closing line, no fire, no climbing, no use Wireless communication, no mixing, no drinking, no wearing chemical fiber clothing, no approaching, no approaching, no jumping, no passing, no crossing, no touching, no staying, no working while drunk, no flammable materials. ⑵Warning safety sign series: Beware of corrosion, beware of explosion, beware of poisoning, beware of fire, beware of safety, beware of electric shock, beware of cables, beware of mechanical injuries, beware of hanging objects, beware of falling objects, beware of foot injuries, beware of vehicles, beware of roof falls, Watch out for gas, watch out for hot hands, watch out for bumping your head, watch out for tripping, watch out for harmful gases, watch out for infection, watch out for dust, watch out for falling into water, and watch out for natural gas explosions. ⑶Instruction safety sign series: must wear a safety helmet, must wear a seat belt, must wear a protective mask, must be kept clean, must wear work clothes, must wear protective gloves, must use protective devices, must walk above the channel, must be locked, must wear A self-rescuer, a miner's hat must be worn, and a miner's lamp must be carried. ⑷ Series of commonly used power safety slogans and signs: No entry without permission, no closing, no one working, no one allowed to enter in important power distribution area, dangerous high voltage, no one allowed to enter in important power distribution area, work here, go up and down from now on. 4. Signage usage environment: electricity, lines, transportation, communications, safety warnings, public security information, fire safety, construction site construction, construction site safety, production safety, mine safety, etc. 5. The role of safety signs: Hanging safety signs is the main technical measure to ensure the safety of workers