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Non-Heat Shrinking
Material Specification
MIL-I-631, Type F, Form U, Grade A, Class I & II, Category I
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631
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Grayline 631 is a flexible PVC tubing engineered to meet MIL-I-631 grades A and B specifications. This general-purpose tubing is suitable for applications requiring a wide thermal range, including appliances, automotive systems, military wiring harnesses, and airborne equipment. The product's versatility and compliance with military standards make it an ideal choice for manufacturers in various industries seeking reliable, high-performance tubing solutions. If you are looking for MIL-I-631, Grade C tubing, please go to 105C PVC Tubing. View our safety data sheet.

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2700
82
400
80
-50
ETO sterilizable
Autoclave sterilizable
Gamma radiation scale
UL: VW-1
UL: 600V, VW-1
FDA title 21 material
CSA:150°C, 600V
CSA:125°C, 600V
CSA: 105°C, 600V
UL: 150°C, 600V
UL: 125°C, 600V
UL VW1
UL: 105°C, 600V
UL: 105C, 300V / 600V
UL: 105C, 300V / 600V, VW1
CSA: 105C, 300V / 600V
EU directive 2000 / 53 / EC (ELV)
EU directive 2011/65/EU (RoHS2)
EU directive 2015/863 (RoHS3)
Made from NSF 51 material
NSF-51 listed
Made from UL 94 V0 material
Made from NSF 61 material
Made from FDA title 21 material
3A
Made from ISO 10993-5 material
Made from USP Class VI material
USP class VI
Recommended for peristaltic pumps
Convoluted
Corrugated
Fungus resistant
UV resistant
Oil resistant
Chemical resistant
Flame resistant
Highly flame retardant
Non-phthalate PVC<1000 ppm
Radio-opaque
Non-DEHP PVC
Reinforced
Chemically cross-linked
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Grayline LLC has been your trusted source for specialty flexible tubing for over 50 years. We provide quality tubing with fast delivery and support. Our custom solutions are designed to meet your specific needs, delivering reliable performance that keeps you ahead of the competition.
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