technique
PW Series
DIMENTIONS PERMISSIBLE DESVIATIONS
- Surface Visible Defects
- < 5%
- Length & Width
- ±0.5mm
- Thickness
- ± 5%
- Straightness of sides
- ± 0.2%
- Rectangularity
- length≤1.0mm(600mm) 1.5mm(800mm 1000mm)
- Centre Curvature
- ± 0,5%
- Edge Curvature
- ± 0,5%
- Warpage
- ± 0,5%
PHYSICAL PROPERTIES
- BreakingStrength
- thiness≥ 7,5 mm, 则≥ 2000 N
- Modulus of Rupture
- ≥ 38 N/mm²
- Resistance to Deep Abrasion
- ≤ 175 mm
- Coefficient of friction
- between 0,4-0,74
- Crazing Resistance
- strong
- Resistance to Thermal Schock
- strong
- Frost Resistance
- strong
- Moisture Expansion
- ≤ 0,06%
- Lineal Thermal Expansion
- ≤ 9 X 10E-6 [°Cˉ¹]
- Impact Resistance (Coefficent of Restitution)
- ≥ 0,55
CHEMICAL PROPERTIES
- Resistance to Acids and Alkalis
- ULA
- Resistance to Stain
- 5 class
- Resistance to Household chemical an swimming pool salts
- UA
