Specification

Our Window and Door products are manufactured from Impact Modified PVC-U hollow chambered profiles. During the manufacuring process extruded profiles are quality inspected in accordance with CSTB, UATc, KIWA-KOMO & BBA certifications. Wymar Windows have been tested and approved by the Britsh Board of Agrèment under Assessment Report 1245. WINDOW & DOOR PVC-U - TEST FIGURES Mass Volume Kg/cm³ ISOR 1183 1.44 ± 0.02 Modulus of Elasticity MPa ISOR 178 2,500 ± 250 Ultimate Tensile Strength MPa ISOR 527 >/44 Elongation of Break %   >/150 Impact Test at -10ºC   UEATc-PVC <1 break/10 Tensile Impact mj/mm² ISOR 8256 >/600 Shrinkage at 100ºC % UEAtc-PVC <2; VICAT Softening Temperature ºC ISO 306 80 ± 2 Ash Content % ISOR 1270 5.5 ± 0.3 REINFORCING Where required, Wymar Windows and Doors are reinforced with galvanised steel sections or mill finish aluminium sections to the recommendations of our technical Department. PRODUCT PERFROMANCE Wymar Windows and Doors have been design tested to meet the requirements of BBA 1245 weather performance and functional testing. EFFECTS OF FIRE ON PVC Typical test results below, for rigid and flexible PVC compared to wood indicate that it is more difficult to ignite than wood.

PROPERTY	TEST	PVC-U	FLEX.PVC-U	WOOD
Flash ignition temperature ºC	ASTM D 1929	400	330-380	210-270
Self ignition temperature ºC	ASTM D 1929	450	420-430	400
Oxygen index %	ISO 4589	50	23-33	21-23
ISO Rdiant Cone
Ignition time (secs) at 30kw/m²	ISO 5657	112	50-75	30-90
Ignition time (secs) at 50kw/m²		33	17-26	4-30
Needle flame test	IEC 695-2-2	Non-ignitable	Only ignitable at high plasticiser levels	Ignitable in less than 20 secs