1. It is advisable to select hardware with brand, product certificate and warranty card.
2. It is advisable to select hinges, slide rails and locks with good sealing performance. It is flexible and convenient to open and close and pull several times during purchase.
3. It is advisable to choose a lock with a heavy hand and a flexible performance. When you purchase, you can insert the key a few times to see if it is not smooth, and whether the switch is screwed up is not cheap.
4. It is advisable to select all kinds of decorative hardware with good appearance and performance. When purchasing, it is mainly to see if the appearance is defective, how to polish the gloss, whether the hand feels smooth, whether there are bubbles, spots and scratches.
Yongyue cryo vials are made of medical grade polypropylene (PP) and have no endotoxin. They are disposable laboratory consumables specially used for storing biological samples.
The anti-slip texture of the cap and body is easy to screw cap.
The tube cap has an O-ring built-in gasket to prevent liquid leakage.
The cryo tube is suitable for ultra-low temperature refrigerators, and the tolerance temperature is -86~121 °C, and it can be repeatedly frozen and thawed.
In the gaseous state of liquid nitrogen, it can withstand low temperature to -167 ℃.
According to different requirements, there are ordinary grade and PCR grade. PCR grade products are free of DNase, RNase, endotoxin and foreign DNA. Sterilized by gamma irradiation, sterile.
Cryo Vials,Cryovial 2ml,Cryotube 1.8 ml,Cryogenic Vials,0.5 ml Cryogenic Vials
Yong Yue Medical Technology(Kunshan) Co.,Ltd , https://www.yongyuecultureplate.com