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Professional Chinese manufacturer of MEDICAL EQUIPMENT TUBE
As a professional manufacturer, we offer MEDICAL EQUIPMENT TUBE to our customer with very good quality,service and good price.
Features:
– Good sealing
– Excellent thermal shock resistance
– High light transmittance
– Material: 3.3 high boron silicon glass
Specification:
Mean coefficient of linear expansion α 20/300 acc. To ISO3585 | 3.3·10-6 K-1 |
Transformation temperature | 525℃ |
1013 upper annealing point | 560℃ |
107.6 softening point | 825℃ |
104 working point | 1260℃ |
Maximum short-time working temperature | 500℃ |
Density ρ | 2.23gcm-3 |
Modulus of elasticity E | 64.103 N· mm-2 |
Poisson’s ratio μ | 0.20 |
Thermal conductivity λ w at90℃ | 1.2W· m-1 K-1 |
Temperature for the specific electrical resistance of 108 Ω·cm (DIN52326) tk 100 | /250℃ |
Logarithm of the electric volume resistance ( Ω·cm) | |
at 250℃ | 8 |
at 350℃ | 6.5 |
Dielectric properties (1MHz,25℃) | |
Dielectric figure | 4.6 |
Dielectric loss factor tan σ | 37-10-4 |
Refractive index ( λ=587.6nm) | 1.473 |
Stress-optical constant (DIN 52314)k | 4.0·10-6 mm2 ·N-1 |
*** Note: We can provide customized products according to your requirements.
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