Non-asbestos rubber sheet series

Non-Asbestos Jointing Sheets are made of special no-asbestos heat-resisting fiber, heat-resisting packing material, and special nature or NBR rubber compound heating and compression molding it. 

• Non-asbestos rubber sheet series include: NXB200, NXB300, NXB350 
  Uses: Used for the equipment in water, steam, etc. and used as sealing material in the joints of pipeline
  Working pressure: 1.5～8.0 MPa ,Working temperature: 150 ～450℃.

• Oil-resistance non-asbestos rubber sheet series include: NNY150, NNY250, NNY300, NNY350.
  Uses: Mainly used as the aviation liquid the motive's kerosene, lubricant, the fuel oil and cold air system to join together the seal completely of place the sealing gasket material.
  Working pressure: 7.0～12 MPa, Working temperature: 150 ～450℃

Available Sizes:  
Thickness: 0.5 to 5mm 
1500 x 4500mm,  1500 x 4100mm,  1300 x 3850mm,  1500 x 2000mm, 
1500 x 1500mm,  1500 x 1360mm,   1500 x 1000mm ,  1270 x 1270mm,  
The other size is optional or according to the requirements of customers.

At the same time, steel wire net inserted (coated graphite) is available.

Packing: in wooden pallet of about 1000 kgs, 2000kgs net each.

Non-Asbesto Rubber Sheet Date Sheet

GB/T3985-2008

Item		NXB200	NXB300	NXB350	NNY150	NNY250	NNY300	NNY350
Tensile strength MPa≥		6.0	8.0	11.0	8.0	10.0	12.0	15.0
Aging Coefficient ≥		0.9
Density g/cm³		1.8～1.9
Compressibility %		12 ± 7
Normal temperature Pliability		Bend 180 degree on the round column (the column diameter is 12 multiple sample thickness)
Rebound degree		35	40	45	40	45	50	50
Worm change Relaxation rate % ≤		45	45	45	40	40	30	30
Dipped in IRM903 oil with 149℃ for 5 hours	Horizontal Strain MPa≥	----------			4.0	6.0	8.0	9.0
	Weight increasing % ≤	----------			30
	Appearance change	----------			No air bubble
Dipped in ASTM fuel oil B with 21℃-30℃ for 5 hours	Thickness increasing%	----------			0～20	5～25	5～20	5～20
	Pliability	Bend 180 degree on the round column (the column diameter is 12 multiple sample thickness)
Cauterization to the metal material		----------			No Cauterization
Normal temperature oil Airtightness	Medium pressure MPa	----------			7.0	9.0	11	12
	Airtightness request	Keep for 30min, no leak
Nitrogen leakage rate [(ml/h.mm)] ≤		300