A165-Soft-SpecialDA165-Soft-SpecialD

A165-Soft-SpecialD Oversized Vintage Light Bulbs

Name: Oversized Vintage Light Bulbs Dark Grey Flexible Soft Led Lamp
Specification:
Model: A165-Soft-SpecialD Oversized Vintage Light Bulbs
LED: 1 pieces 300mm Length Flexible Soft Led Filament
Size: Dia.165 x 280mm Length
Glass Design: A165 Large Globe
Wattage: 3W (3KW/1000Hours)
Voltage: 100-130V / 220-240V
Lumen: 120lm/2200K; 150lm/2700K
Color Temperature: 2200K / 2700K
Lamp Base: E27/E26/B22 Nickel Brass Plated Medium Base
Glass: High hardness glass, helium filled
Glass Color: Dark Grey
CRI: Ra>90
Dimmable: Multi-IC, non-flickering linear smooth soft dimmable
Dimmable with both trailing edge dimmers and Leading edge dimmers
PF>0.90
Warranty: 20000Hours
Single Package size: 180 x 180 x 300 mm

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描述

1. This is a oversized vintage light bulb A165 with dark grey glass color, size is diameter 165mm and 280mm length, the length is including the cap. Inside this decorative led light bulb there is 1 pieces 300mm length flexible soft led filament, forms a simple filament design, there are some bumpy on the glass bulb which make this oversized vintage light bulb much more nice looking. The dark grey glass is transparent, not opaque. There are 3 main glass colors for oversized vintage light bulbs, they are amber gold color, clear glass color and dark grey glass color.
2. For oversized vintage light bulb, most people is worrying about the breaking during transportation, because oversized vintage light bulbs is made of glass bulb, and the size is large, especially the glass tube stem in the center of the glass bulb. Because the glass stem is thin and long, and all the filament led is supported by this glass stem, so it is easy to break during transportation. In order to have a safe transportation, we have following solutions as below:
1>. We increased the thickness of the glass stem for all oversized vintage light bulbs, for example, we increased the thickness of glass stem for A165 from diameter 3.6mm to 8.3mm.
2>. We use high quality glass, high hardness material glass for glass stem.
3>. We add annealing and prolong the heating time for glass stem when we are setting filament led onto the glass stem.
4>. We add hot-shrinking plastic tube to glass stem for all oversized vintage light bulbs, hot shrinking tube is an efficient way to protect the glass stem from breaking. For longer glass stem we use thicker hot-shrinking plastic transparent tube.
5>. For super long glass stem, for example, the glass stem for oversized vintage light bulb A200 is 310mm length, it is too much long, hot-shrinking tube can not give enough protection, so we add a silicon sucker plate onto the top of the glass stem, the sucker plate grip the bottom of the glass bulb, then the glass stem is connected to the glass bulb, by this way, the glass stem is strong enough, we did very strict testing, no broken at all.
3. Some companies use a small spring to protect the glass stem from breaking for oversized vintage light bulb, they connect one end of the spring to the end of the glass stem, and then connect the other end of the spring to the glass bulb. This is not a good solution. Because there are some reasons as below:
1>. The connection between glass stem and spring is only a much small joint, this joint is a little hole on the glass stem, the spring is hooked inside this little hole. And the little hole is very close to the end of the glass stem. All these makes the connection between glass stem and spring is much easy to break. If the joint breaks, the glass fragment and spring will fall off inside the glass bulb.
2>. The spring itself has a flexibility, the glass stem also has its flexibility, but it is very hard to make the flexibility of the spring same as glass stem, this will make the spring do not have much protection to the glass stem.
3>. The other end of the spring is only connects to the bottom of the oversized vintage light bulb, no securing, so the spring will move and slide on the glass, because glass is smooth. This is also not good to the protection of the glass stem.

Glass stem is a tube, not solid glass rod, because glass tube is more stronger than glass rod.

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