Suzhou Xingcheng Aquarium Technology Co., Ltd.  

Product Name: Customized Transparent UV PMMA Tunnel of Aquarium Price Model NO.: pmma tunnel PMMA Tunnel Lzod Notched Impact Strength: ?13.3j/M PMMA Tunnel Refractive Index: 1.49+0.01 PMMA Tunnel Tensile Ultimate Strength: ?62MPa PMMA Tunnel Elongation at Break: ?2% PMMA Tunnel Tensile Modulus: ?2760MPa PMMA Tunnel Shear Ultimate Strength: ?55MPa PMMA Tunnel Rockwell Hardness: ?m Scale 90 PMMA Tunnel Flexural Ultimate Strength: ?97MPa PMMA Tunnel Specific Gravity: 1.19+0.01 Synthetic Resin: PMMA Tunnel Natural Resin: PMMA Tunnel Characteristic: Transparent Molecular Principal Chain: Casting Color: Transparent Trademark: XC-ACRYLIC Transport Package: Carton Case with Outside Iron frame Specification: Dia. 3200*3000 Origin: Zhangjiagang City HS Code: 3926909090 Product Description We specialize in producing large clear pmma tunnel of oceanarium project. Their size could be made fully as customer's requirement. We also undertake the construction of tunnel project. We'd like to supply the installation of entire tunnel project with whom give us an order. Our product has some advantages, such as sustaining heavy pressure, excellent transparency, free of inclusions, fine mechanical performance. The tunnel we produced has been exported to many countries, which mainly used in oceanarium and exhibition. Pmma tunnel material: 100% original lucite materialPmma tunnel transparency: Above 92%Process flow of pmma tunnel: 1.100% Original Lucite Material2. Casting in mould3. Cutting correct size according to customers' drawing4. Reinforcing strength5. Bending6. Polishing7. PackingPacking technique1. Protective coating2. Soft foam3. Carton case4. Waterproof paper5. Iron frame1. Does pmma tunnel will turn yellow in sunshine? No, pmma tunnel from our factory should be made with UV. It can't to turn yellow in sunshine. 2. Warranty period for pmma tunnel? We are committed to pmma tunnel five year warranty, not artificial not to damage. 3. Customers can personally inspect pmma tunnel? Yes, we welcome customers visit our factory to check pmma production. PROPERTIESVALUEMethodASTMVALUEMethodDINDensity (specific weight)1,19 g/cm 3D 7921,19 g/cm 353479Modulus of elasticity32.000 Kg./cm 2D 7903200 N/mm 253457Tensile Strenght740 kg/cm 2D 63874 kg/cm 253455Flexural Strenght1200 kg/cm 2D 790120 kg/cm 253452Elongation at break3,0 %D 6383,0 %53455Impact Strenght (Izod)2,0 kg/cmD 2562,0 kg/m 253453Impact Strenght (Charpy)25 kg/cmD 25627 kg/m 253453Rockwell HardnessM 100D 785//Ball Drop H98/30//200 N/mm 253453 THERMAL PROPERTIESPROPERTIESVALUEMethodASTMVALUEMethodDINCoefficient of thermal conductivity5,0 10 -4 cal/cm s ° CC 1770,19 W/m°C52612Deflection temperat.- 1,8 N/mm 2105 °CD 648105 °C53461Softenig Point (Vicat)> 115 °CD 1525> 115 °C53460Coef. Linear Thermal Expantion7,5 10 -5 1/°CD 69675 10 -4 1/°CVDE0304/1Specific Heat0,35 cal/g°C/// ELECTRIC PROPERTIESPROPERTIESVALUEMethodASTMVALUEMethodDINDielectric Strength20 kV/mmD 14920 kV/mm53461Volume Resistivity1 10 15 Ohm/cmD 257//Surface Resistivity1 10 14 OhmD 2571 10 14 Ohm53482Transversal Resistivity> 10 15 Ohm/cmD 257Dielectric Constant (50 Hz)3,5D 1503,553483Power Factor (50 Hz)0,05D 1500,0653483 OPTICAL PROPERTIESPROPERTIESVALUEMethodASTMVALUEMethodDINRefractive Index n 20 D1,49D 5421,4953491Light Transmittance92%D 1003/A92 %5036Turbidity (Haze)0,5%D 1003/A// CHEMICAL PROPERTIESPROPERTIESVALUEMETHODMedium molecular weight800 – 1000 10 3 umaviscousResistance to acidsgood/Resistance to basesgood/Resistance to chlorous solvents ( methylene chloride, chloroform, trichloroethylene etc.)low/Resistance to non chlorous solvents (acetone,alcohol, petrol, etc.)medium/ REACTION TO FIREPROPERTIESVALUEMETHODFlame propagation22 – 28 mm/min.ASTM D635/63Igniting T.280 – 300 °CASTM D 93Autoigniting T.425 °CDIN 51794Calorific power6600 kcal/kg/Oxygen index18ASTM D28/63Flammabilityclass B2DIN 4102Smoke density (Flamming)Dm 50NBS WATER AND GAS ABSORPTIonPROPERTIESVALUEMETHODWater absorption rate30 mgISO 62, m.lMax % increase of weight after water immersion2,1%ISO 62, m.lCoef.of steam permeability2,3 10 -10 g/cmPa/Coef.of N2 permeability4,5 10 -15 g/cmPa/Coef.of O2 permeability2,0 10 -14 g/cmPa/Coef.of CO2 permeability1,1 10 -13 g/cmPa/Coef. of air permeability8,3 10 -15 g/cmPa/