polystyrene wall panel??????????????????????????????????????????????????????????? ??Light,?safe,?decrease?the?load?of?the?building. ??Easy?to?install,?shorten?the?construction?period. ??Protect?environment,?sandwich?structure?with?antioxidant?surfaces. ??High?performance?in?heat?insulating,?can?be?served?in?both?high?and?low?temperature?environment. ??Fireproof,?meet?the?National?standard,?makes?building?safe. ??Soundproof,?makes?a?quieter?environment. ??Long?service?life?up?to?20?years,?very?low?cost?in?wastage?and?maintenance.? ??Nice?appearance. ??Improve?air?quality Product?Data?Sheet?????????????????????????????????????????????????????????????????????

Thickness?of?panel	?20mm-100mm
Air?leakage	?1.2%
Density	?36-42?kg/m3
Dimension?stability	?≤2%
Thermal?conductivity	?<0.03?W/m.k
Fire?Retardant?Level	?Anti-flamming?level-B
Water?absorption	?≤1.5%
Wind?Press-resistant?strength	?1500pa
Recyclability?Rate	?144Kpa

Hongji?duct?system?including??????????????????????????????????????????????????? ??Hongji?duct?panels ??Accessories?for?duct?installation(?including?PVC?flange?connection,glue,silicone?gun?and?so?on) ??Training?and?installation?service?for?duct?installation ??Installation?Manual ??Undertake?projects?of?duct?installation ? ? ?Hongji?duct?panel?satisfies?the?following?standards:????????????????????????????????????
???GB50243-2002 ?????Acceptance?standard?for?construction?quality?of?HVAC?works. ???GB50045-95 ?????Criterion?of?fireproof?design?of?civil?tall?buildings. ???GB8624-2006 ???? Building?materials?and?combustion?performance?grading ???GB/T8811-2008 ???? Rigid?foam?dimensional?stability?test?methods ???GB50404-2007 ???? Polyurethane?foam?insulation?and?waterproof?engineering?specification ? Environmental?Protection??????????????????????????????????????????????????????????????????????
Inspected?by?the?National?Fire?Protection?Building?Materials?Quality?Supervision?and?Inspection?Center, Hongji?duct?passed?the?formaldehyde?volatilization?test,?could?be?applied?indoor?directly. ??Approved?by?the?National?Quality?Test?Center?and?China?Construction?Material?Association, ????Hongji?duct?is?a?stable?qualify,?safe?and?environment?protective?product. ??Inspected?by?Shanghai?quality?monitor?inspection?spot,?if?s?innocuous?and?a?safe?product. ??There?is?no?Freon?in?Hongji?duct,?and?won’t?do?harm?to?aerosphere. Installation?Accessories?????????????????????????????????????????????????????????????????????
Various?flanges,H?bayonet,?Hooked?hanger?bracket,?Aluminum?shaped?disk,?Covering?angle,?G.I. Square,?etc. ? ? ISO9001:2008 Certificate ?