GCI Clay Roof Tiles - Technical Reports

GCI Eagle Roofing Tiles - Compliance with Relevant Standards I

Test Parameter	Singaporean Standard (SS 70: 1990) Test Report dated 7/11/1995		French Standard (NF P31.301) Test Report dated 21/5/1996		German Standard (DIN 456) Test Report dated 17/6/1996
Test Parameter	SS 70 : 1990	GCI Tiles Test Result	NF P31.301	GCI Tiles Test Result	DIN 456	GCI Tiles Test Result
Transverse Breaking Strength	Min 900 N on average	Average 2851 N	Min 1000 N on average	Average 4400 N	Min 1500 N on average	Average 5870 N
Porosity (Water Absorption)	Max 8.0% w/w after 24 hours submersion in water	Average 4.5%	Not specified under NF	Average 4.2% w/w after 48 hours of submersion in water	Not specified under DIN	Average 5.13% w/w after 4 full days of submersion in water
Permeability	No water drips from underside of tile after 6 hours	Passed	Max 0.5 cm/cm/ 24 hours	0.0 cm/cm/ 24 hours	No falling drops could be detected from underside of tile after 6 hours	Passed
Tile Squareness	Not exceeds 1.5% of overall length of tile	Average 0.72%	x	x	Permissible distortion < 2% on top & bottom of tile	Passed. Maximum distortion 0.97%
Tile Straightness	x	x	Max deflection (longitudinal) 6 mm on 10 samples	Max 4 mm on 10 samples	x	x
Surface Evenness	x	x	Max average coefficient of 8.0	Average coefficient of 3.4	Wing Form (warp) Permissible deviation < 1.5%	Passed. Maximum deviation 0.31%
Dimension Consistency	x	x	x	x	Permissible deviation of covering dimension < 2% on specified length/width	0.0% deviation
Frost Resistance	x	x	x	x	Tiles show no sign of damage after 150 freeze-thaw cycles(DIN 52253)	Passed
Glazed Tiles Colourfastness and LightFastness (28 days full ultra-voilet light exposure)	No detectable colour change on glazed surface	Passed	x	x	x	x
Crazing Resistance (at 159 degree celsius in 500kPa pressurised autoclave)	Glazed samples show no sign of crazing (spider-web cracks)	Passed	x	x	x	x
Note : X = NOT APPLICABLE

Go to Table of Compliance with Relevant Standards II.