❓ Frequently Asked Questions
Q
What is the recommended application temperature range for this product?
The recommended application temperature is between +5 °C and +45 °C. Applying outside this range may affect adhesion performance and long-term durability.
Q
What surface temperature requirement must be met for underground application?
For underground application, the surface temperature must be at least 3°C above the dew point to prevent moisture condensation, which could compromise adhesion and coating integrity.
Q
What is the tensile strength of this product in the longitudinal direction?
The average longitudinal tensile strength is 335 MPa (tested per GB/T1477), with a coefficient of variation of 3.7%, indicating consistent and reliable mechanical performance.
Q
What product sizes are available for this product?
This product is available in two standard specifications: 280mm × 15m and 150mm × 15m, catering to a variety of pipeline diameters and project requirements.
Q
What is the minimum Barcol Hardness value for this product?
The Barcol Hardness of this product is ≥30 as tested per GB/T3854, ensuring adequate surface hardness for demanding service environments.
Q
What is the maximum allowable scratch resistance value under a 50kg load?
The scratch resistance under a 50kg load is ≤500 μm as tested per SY/T4113.1, confirming the product's strong resistance to mechanical surface damage during handling and installation.
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