About the researchand develop unit
The National Fire Control EngineeringResearch Center (Sichuan
subcenter ) is a professional organization forresearching,
developing and producing building fire prevention andfire-retardant
material. It relies on Ministry of Public Security Sichuan
FireControl Research Institute. The subcenter set up and ran with
the approval ofState Science and Technology Commission in 1996, its
responsible institution wasthe Ministry of Public Security.
The subcenter of Sichuan sets up the development department ,
engineeringdepartment , system testing department and office,
divided into thecorresponding entity. Now has three economic
entities: Chengdu Dujiang WeirFireproof Material Factory, Chengdu
Dujiang Fire-retardant Coating Factory andthe Chengdu Tianfu Fire
Control Science &Technology Development EngineeringCorporation.
About the product
【Sprayed inorganic fibre fire-resistive material】 takes themineral
wool as main raw material, and after granulation and at last
combineswith the binder and other components.
Sprayed inorganic fibre fireprotection layer is non-combustible,
does not produce smoke, able to bear hightemperature, light
quality, nonpoisonous, tasteless, heat insulated, soundabsorption,
weather resistant, etc. It is one kind of high-efficient
heatinsulated and fireproof protection layer which has low price
and reliableweather resistance.
Under generallycondition, the recommendable protecting layer 's thickness as follows
fire endurance(h) | 2 | 2.5 | 3 | 3.5 | 4 | 5 |
thickness of the protective layer:(mm) | 17 | 20 | 23 | 27 | 32 | 34 |
Main technicalperformances for the fireproof protective layer
No. | Item | Yardstick for testing methods | Specification | Actual Test Data |
1 | Incombustibility | GB/T5464 =ASTME136 | A grade | A grade(noncombustible) |
2 | Adhesive strength | =ASTM E736 | ≥7.2kPa | 28.4kPa |
3 | Compressive strength | =ASTM E761 | ≥35.9kPa | 51.3kPa |
4 | Dry density | =ASTM E605 | ≥240kg/m3 | 357kg/m3 |
5 | Shock resistance | =ASTM E760 | no crack and come off | no crack and come off |
6 | Anti-breaking | =ASTM E759 | no crack and come off | no crack and come off |
7 | Corrosiveness to steel | =ASTM E937 | do not accelerate steel's corrosion | do not accelerate steel's corrosion |
8 | Air corrosion | =ASTM E859 | ≤0.27g/m2 | ≤0.22g/m2 |
9 | Fire Performance | GB/T9978 =ASTME119 | thickness of the protective layer: when it is 34mm, fire endurance180mingi |
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