UV Transparent PMMA Tunnel Oceanarium
Suzhou Xingcheng Aquarium Technology Co., Ltd.- 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
Base Info
- Model NO.：tunnel
- 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
- Transport Package：Carton Case with Outside Iron Frame
- Specification：Dia. 3200*3000
- Trademark：XC-ACRYLIC
- Origin：Zhangjiagang City
- HS Code：3926909090
- Production Capacity：150000kgs,Month
Description
VALUEMethod
ASTM VALUE Method
DIN Dielectric Strength 20 kV/mm D 149 20 kV/mm 53461 Volume Resistivity 1 10 15 Ohm/cm D 257 / / Surface Resistivity 1 10 14 Ohm D 257 1 10 14 Ohm 53482 Transversal Resistivity > 10 15 Ohm/cm D 257 Dielectric Constant (50 Hz) 3,5 D 150 3,5 53483 Power Factor (50 Hz) 0,05 D 150 0,06 53483
OPTICAL PROPERTIES
CHEMICAL PROPERTIES
REACTION TO FIRE
WATER AND GAS ABSORPTION
ASTM
DIN
OPTICAL PROPERTIES
| PROPERTIES | VALUE | Method ASTM | VALUE | Method DIN |
| Refractive Index n 20 D | 1,49 | D 542 | 1,49 | 53491 |
| Light Transmittance | 92% | D 1003/A | 92 % | 5036 |
| Turbidity (Haze) | 0,5% | D 1003/A | / | / |
CHEMICAL PROPERTIES
| PROPERTIES | VALUE | METHOD |
| Medium molecular weight | 800 – 1000 10 3 uma | viscous |
| Resistance to acids | good | / |
| Resistance to bases | good | / |
| Resistance to chlorous solvents ( methylene chloride, chloroform, trichloroethylene etc.) | low | / |
| Resistance to non chlorous solvents (acetone,alcohol, petrol, etc.) | medium | / |
REACTION TO FIRE
| PROPERTIES | VALUE | METHOD |
| Flame propagation | 22 – 28 mm/min. | ASTM D635/63 |
| Igniting T. | 280 – 300 °C | ASTM D 93 |
| Autoigniting T. | 425 °C | DIN 51794 |
| Calorific power | 6600 kcal/kg | / |
| Oxygen index | 18 | ASTM D28/63 |
| Flammability | class B2 | DIN 4102 |
| Smoke density (Flamming) | Dm 50 | NBS |
WATER AND GAS ABSORPTION
| PROPERTIES | VALUE | METHOD |
| Water absorption rate | 30 mg | ISO 62, m.l |
| Max % increase of weight after water immersion | 2,1% | ISO 62, m.l |
| Coef.of steam permeability | 2,3 10 -10 g/cmPa | / |
| Coef.of N2 permeability | 4,5 10 -15 g/cmPa | / |
| Coef.of O2 permeability | 2,0 10 -14 g/cmPa | / |
| Coef.of CO2 permeability | 1,1 10 -13 g/cmPa | / |
| Coef. of air permeability | 8,3 10 -15 g/cmPa | / |