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Fish Attraction Lamp/Glass Shell
BT230
- Top outer diameter : ø74.0±1.0
- Top inner diameter: ø67.0MIN
- Max Outside Diameter:ø230.0±2.0
- Outer diameter of the neck: ‘+0.5 ø75.5-0.7
- Outer diameter of the mouth: ø85.0MAX
- Total length: 486.0±5.0
- Top wall thickness: t1.5~4.5
- Bottle body Wall thickness: t0.75~2.5
- Neck wall thickness: t1.5~3.0(3.3)
- Neck wall thickness tolerance: <0.6
BT260
- Top outer diameter : ø74.0±1.0
- Top inner diameter: ø67.0MIN
- Max Outside Diameter:ø230.0±2.0
- Outer diameter of the neck: ‘+0.5 ø75.5-0.7
- Outer diameter of the mouth: ø85.0MAX
- Total length: 486.0±5.0
- Top wall thickness: t1.5~4.5
- Bottle body Wall thickness: t0.75~2.5
- Neck wall thickness: t1.5~3.0(3.3)
- Neck wall thickness tolerance: <0.6
BT290
- Top outer diameter : ø74.0±1.0
- Top inner diameter: ø67.0MIN
- Max Outside Diameter:ø230.0±2.0
- Outer diameter of the neck: ‘+0.5 ø75.5-0.7
- Outer diameter of the mouth: ø85.0MAX
- Total length: 486.0±5.0
- Top wall thickness: t1.5~4.5
- Bottle body Wall thickness: t0.75~2.5
- Neck wall thickness: t1.5~3.0(3.3)
- Neck wall thickness tolerance: <0.6
Ingredient composition
| linear thermal expansion coefficient | 3.38 x 10-6K-1（20℃~300℃） |
| Silica content | 81.89% |
| Boron trioxide content | 12.58% |
| Aluminum oxide content | 2.17% |
| Sodium oxide content | 3.49% |