PTFE Slide Ring , Abrasion Rectangular Hydraulic PTFE Back-Up Ring , PTFE PU Nylon Gasket

Price Negotiable

Price: Negotiable

MOQ: 500 USD

Delivery Time: 30 days

Product Description

PTFE Features:

1. PTFE gaskets, washers produced by moulded with suspended
PTFE powder or produced by CNC directly
2. PTFE compared with other plastics have good performance of high
temperature resistance,chemical corrosion resistance
3. It widely used for sealing material

Product Description

Product name	PTFE back-up ring
Material
Color	white, red, black etc.
Hardness	40-90 Shore A
Size	all sizes, stand size or customized size
Work Medium	Hydraulic oil, gas, water, etc
Shape	round , square , cup, bowl or according to your request.
Packing	carton, box, palstoc bag
Advantages	1.Good abrasion resistance, long lifetime. 2.Without metallic contact of the sliding surfaces. 3.Control the machine's vibration. 4.Absorb the size's load. 5.Enlarge the clearance of seal's extrusion. 6.Simple groove design, and high load capacity. 7.Low repair cost.

For non-standard parts, samples or drawings are avaliable for us.

Product Show

Main material and properties

character	PTFE	FEP	PFA	PVDF
specific gracity	2.13-2.22	2.12-2.17	2.12-2.17	1.76-1.78
melting point(℃)	327	270	302-310	173-175
maximum continous user temperature(℃)	260	200	260	150
tensile strength(mpa)	20-45	19-22	27-35	39-59
coefficient of elongation(%)	200-450	250-330	280-400	300-450
dielectric constant 10^3HZ 10^6HZ	2.1 2.1	2.1 2.1	2.1 2.1	7.72 6.43
volume resistance(Ω-CM)	>10^18	>10^18	>10^18	>10^14
dielectric breakdown strength v/mil	480	500-600	500	260