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Quick Details

  • Place of Origin: Zhejiang, China (Mainland)
  • Brand Name: XGY CMH
  • Model Number: CMH-R
  • Power: 35W 70W 100W 150W
  • Base Type: E27/E26
  • Bulb Type: R
  • Color Temperature: 3000K/4000K
  • Certification: CE
  • Shape: Tubular
  • Rated Avg. Life: 10000H
  • LAMP CURRENT: 0.53A 0.98A 1.1A 1.8A

Packaging & Delivery

Packaging Details White Box or To Order
Delivery Time 7-15 Days


1.Color Index:>90
2.Color Temp:3000K,4200K

CDM CMH-R CHI PAR20 PAR30 PAR38,70w metal halide uv lamp



High-Quality High- & Low-Bay Lighting

One of the critical challenges in industrial lighting is to provide clean, accurate and controllable lighting – high color rendition means safer working practices – while minimizing overall costs. Constant Color Ceramic Metal Halide lamps  deliver on all counts:

  1. Lamp-to-lamp color uniformity
  2. Excellent color over life for crisp illumination
  3. High operating efficiencies
  4. Elliptical lamps with protective shroud for open fixtures

CMH lamps provide an extremely effective replacement for High Pressure Sodium (HPS) and Quartz Metal Halide lamps.


CMH lamps offer advantages that make them ideal for uses that range from accent and spot lighting to flood and area lighting:  


Widest range wattage 15W,20W,35W,70W,100W,150W,200W,250W,400W

Long life–12,000 H(single arc-tube)2,000H(double arc-tube)

Highly controllable point source of light

Consistent color over life 

Wide range of formats for designers flexibility 

Color temperatures: 3000K and 4200K 

G8.5, G12, E27/E40 and Rx7s Base

UV control 

R111 and PAR reflectors 


Tubular and elliptical versions 




Wikipedia tell you what is CMH(CDM)

The ceramic discharge metal-halide (CDM) lamp, mostly referred to as Ceramic Metal Halide lamp (CMH), is a relatively new source of light that is a variation of the metal-halide lamp, which itself is a variation of the old (high-pressure) mercury-vapor lamp. The discharge is contained in a ceramic tube, usually made ofsintered alumina, similar to what has been used in the high pressure sodium lamp. During operation, the temperature of this ceramic tube can exceed 1200 kelvins. The ceramic tube is filled with mercuryargon andmetal-halide salts. Because of the high wall temperature, the metal halide salts are partly vaporized. Inside the hot plasma, these salts are dissociated into metallic atoms and iodine.


The metallic atoms are the main source of light in these lamps, creating a bluish light that is close to daylight with a CRI (color rendering index) of up to 96. The exact correlated color temperature and CRI depend on the specific mixture of metal halide salts. There are also warm-white CDM lamps, with somewhat lower CRI (78-82) which still give a more clear and natural-looking light than the old mercury-vapour and sodium-vapour lamps when used as street lights, besides being more economical to use.


The ceramic tube is an advantage in comparison to earlier fused quartz. During operation, at high temperature and radiant flux, metal ions tend to penetrate the silica, depleting the inside of the tube. Alumina is not prone to this effect.


CDM lamps use one fifth of the power of comparable tungsten incandescent light bulbs for the same light output (80–117 lm/W) and retain colour stability better than most other gas discharge lamps. Like other high-intensity discharge lamps, they require a correctly rated electrical ballast in order to operate.


Applications for these lamps include television and film making as well as shop lighting, digital photography, street and architectural lighting.

  National high-tech enterprises

Leader Manufacturer of CMH(Ceramic Metal Halide Lamps),Main HID Xenon Lamps Base and Reputed Halogen Lamps Supplier in China!



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