Tunnel Fireproofing roof Board - RFBFT

Tunnel Fireproofing roof Board, 1,100% asbestos free, 2,Fireproof board, 3.Non-combustible,Mgo board, 4.Green product - details see: https://www.buildingsupplieshub.com/tunnel-fireproofing-roof-board-10025515

Place of Origin: Shanghai China (Mainland)	Brand Name: Jinyida	Model Number: RFBFT	Basic color: Grey
Non-combustible: Class A	Size: 2,440mm*1,220mm	Thickness: 10mm	Security: 100% Asbestos Free
Density: 0.8-1.12g/cm3	Deformation rate: ≤0.2	Water absorption rate: ≤10.0%	Type: Magnesium Oxide Board
Certification: CE,ISO

Tunnel fireproofing roof board

Description	Sidewall fireproofing board of tunnel
Raw Materials	magnesium oxide, magnesium chloride
Standard Size	1220mm×2440mm
Thickness	10mm
Basic Color	white
Manufacturing Standard	GA160-2004
Fire Resistance	Incombustibility Class A
Packing	Wooden pallet
Trade Terms	FOB SHANGHAI, CNF, CIF,CFR
Payment	T/T, L/C at sight
Leadtime	15days after receipt of the T/T deposit or L/C.
Main Characteristic	1.Fire proof and non combustibility
	2.Non-flammability: GB25970 grade A
	3.Waterproof: resistant to deformation in wet environments
	4. Weight: Light weight,(volume weight: 1.02-1.06g/cm3)
	5. Strength: Bendable and impact resistant
	6.Invariability: Resistant to deformation in wet, hot and dry conditions
	7. Aging resistance
	8.Heat Resistance: Thermal conductivity of 0.020W/(m.°C)
	9.Durability: Resistance to halogen accumulation, long lasting strength
	10.Cold resistance: can be used at 40 degree
	11.Installation: Easy to work, fix and decorate
	12.Environmentally friendly

Technical parameters of fireproofing board for tunnel

Items	Items to be inspected			Technical requirements and parameter
1	Areal density(kg/m2)			≤25
2	Allowable difference between edge flatness and diagonal line			Not inferior to requirements of GA160-2004,4.3.3
3	Bend strength in dry condition(Mpa)			Satisfies the requirements of GA160-2004,4.4
4	Bend strength in condition of saturated moisture absorption(Mpa)			No less than 70% of bend strength in dry condition
5	Deformation rate after moisture absorption(%)			≤0.20
6	Performance of anti-dehylogenation			No bead and no damp
7	Toxicity of generated fume			No inferior to ZA1 of GB/T20285-2006
8	Water resistance(h)			≥720
				No cracking, aliquation,dropout after test, slight swell and color change is allowed
9	Acid resistance(h)			≥360
				No cracking, aliquation,dropout after test, slight swell and color change is allowed
10	Alkaline resistance(h)			≥360
				No cracking, aliquation,dropout after test, slight swell and color change is allowed
11	Moisture and heat resistance (h)			≥720
				No cracking, aliquation,dropout after test, slight swell and color change is allowed
12	Freeze thawing resistance periodicity (times)			≥15
				No cracking, aliquation,dropout after test, slight swell and color change is allowed
13	Salt mist corrosion resistance(h)			≥30
				No cracking, aliquation,dropout after test, slight swell and color change is allowed.
				In case the decorated board is made of metal,the metal surface shall be free of rust.
14	Burning performance			Not inferior to requirements of grade B of GB 8624-2006
15	Water absorption rate (%)			≤12.0
16	fire resistance performance(h)	standard	Limit of fire resistance(h)	≥2.0
		HC type	Limit of fire resistance(h)	≥2.0
		RABT type	Limit of fire resistance(h)	During temperature rise≥2
				During temperature drop≥1.83

Application : mainly used for road, mountain tunnels, suitable for fire resistance 3.83 hours (RABT standard) for I Type II tunnel, and non-load-bearing structure of the tunnel fire protection.

Installation case

Plant photo

quality certificate

test report

sample room

decoration

Packaging Detail:Standard Wooden pallet

Delivery Detail:15days after receipt of the T/T deposit or L/C.