1)absorb heat efficiently and transfer heat continuously
2)using life: 15-20 years
3) anti-hail
Price Terms:FOB,CIF,EXW
Payment Terms: T/T,Western Union,MoneyGram,L/C
Minimum Order: Negotiatable
Delivery Port: Customized
Contact SupplierPackaging Detail: carton/wooden cases
Delivery Detail: within 15days
tube size: 58*1800mm
double borosilicate glasses
copper bar diametre: 12mm
absorbing efficiency: 90%
transfering efficiency: 92%
emmitance: 4%