PURIn terms of raw material proportioning and process output,
PUR products employ the globally advanced six component online
automatic (SIMENS) mixing and pouring technology and have realized
six-component continuous foaming for the first time in China. With
the technology, mixing and proportioning process may be finished in
an online way;the formula may be adjusted according to
environmental changes; air feeding and mixing devices may be used
to make raw material mixing more even and foam finer, thus
producing high-strength, energy-saving and environment friendly
building boards. PIRPolyisocyanurate is called PIR for short.
For the composite boards developed , excessive isocyanurate is
added and ring structure and higher isocyanurate index are employed
in the compounds to form compact PIR products, thus ensuring
greater stability and excellent heat and fire resistance for the
internal rigid foams. Experiments show that the products can endure
a temperature up to 200ºC in short time period or to 160ºC for long
time. Allowable vertical load and thermal performance of
polyurethane sandwich wall panel (allowable deflection
f≤L/200)S(mm)W/m2kG(kg)P=KN/m20.60 0.80 1.00 1.20 1.50 500.31 10.06
L(m)3.52 3.04 2.69 2.42 2.11 750.21 11.06 L(m)4.71 4.09 3.64 3.29
2.89 1000.19 12.05 L(m)5.76 5.02 4.47 4.05 3.56 1200.16 12.84
L(m)6.53 5.68 5.07 4.60 4.04 1500.11 14.04 L(m)7.56 6.58 5.87 5.32
4.68 Note:0.5mm outer steel sheet and 0.4mm inner steelAllowable
Span and Thermal Conductivity of Polyurethane Roof Sandwich
Panel(allowable deformation f≤L/240)S(mm)W/m2kG(kg)P=KN/m20.60 0.80
1.00 1.20 1.50 300.32 9.32 L(m)2.60 2.30 2.08 1.91 1.72 500.31
10.15L(m)3.59 3.17 2.85 2.61 2.33 750.21 11.18L(m)4.64 4.07 3.66
3.34 2.96 1000.19 12.22L(m)5.57 4.88 4.38 3.99 3.53 1200.16
13.05L(m)6.28 5.49 4.92 4.48 3.97 1500.11 14.3L(m)7.30 6.39 5.73
5.22 4.62 Note:0.5mm outer steel sheet and 0.4mm inner steel
FAQ1. who are we?We are based in Shandong,
China, start from 2005,sell to Southeast Asia(25.00%),Central
America(15.00%),South Asia(15.00%),Africa(15.00%),Domestic
Market(11.00%),Oceania(10.00%),Mid East(5.00%),South
America(2.00%), North America(1.00%),Eastern Europe(1.00%). There
are total about 1000+ peoplein our office.2. how can we guarantee
the quality?Always a pre-production sample before mass
production;Always final Inspection before shipment;3. what can you
buy from us?steel structure, sandwich panel, prefab house, steel
floor deck, corrugated steel sheet4. why should you buy from us,
not from other suppliers?It covers more than 666,666 square meters.
Product series includes steel structure building construction,
sandwich panel for metal external wall cladding andmetal roofing,
sandwich panel for internal cladding system such as cleanroom
cladding system5. what services can we provide?Accepted Delivery
Terms: FOB,CFR,CIF,EXW,FAS,DDU,Express Delivery;Accepted Payment
Currency:USD,EUR;Accepted Payment Type: T/T;Language
Spoken:English,Chinese,Spanish,Japanese,Portuguese,German,Arabic,French,Russian,Korean,Hindi,
Italian/* January 22, 2024 19:08:37 */!function(){function
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