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| Item | Standard | Requirement | Result | Single Jugement | |
| Appearance | GB/T 34336-2017 6.2 |
smooth,no scars&stains,no damages | Yes | YES | |
| Size tolerance | Length | GB/T 34336-2017- A | No negative Tolerance | +7 | YES |
| Width | +15 / -3 | -1 | |||
| +3.0 / -1.0 | Height | +0.4 | |||
| Density kg/m3 | GB/T 34336-2017 -A | ≤±20% | 202,'+1% | YES | |
| Compression Rebound Rate | GB/T 34336-2017-C | ≥90 | 95 | YES | |
| Tensile Strength Kpa | GB/T 17911-2006 9 |
Horizontal ≥200 | 1282 | YES | |
| Vertical ≥200 | 369 | YES | |||
| Conductivity W/(m ·K) |
Average Temperature 25ºC | GB/T 10294-2008 | L A ≤0.021 | 0.020 | YES |
| Average Temperature 300ºC | GB/T 10294-2008 | L A ≤0.036 | 0.031 | ||
| Vibration Mass Loss Rate % | GB/T 34336-2017 -B | ≤1.0 | 0.1 | YES | |
| Permanent linear Change % (650ºC,24h) |
Lenght | GB/T 17911-2006 | ≥-2.0 | -0.5 | YES |
| Width | -0.5 | ||||
1. Pipe wrapping for thin insulation and space reduction
2. Equipment casing padding to isolate internal heat and prevent scalding
3. Door and window gap filling to prevent heat conduction and save energy
4. External wall thermal bridge tape for enhanced local insulation
Packaging&Shipment
To ensure the safety of your goods, we will provide professional, environmentally friendly, convenient and efficient packaging and transportation services.

Shengjie Refractory was established in 1998, located in Luoyang City, Henan Province. After more than 20 years of development, we have established 7 modern factories and have multiple experienced R&D teams.
Shengjie Refractory is a company specializing inrefractory products. lts main products include unshaped refractory materials, refractory bricks, ceramic fiber products, etc.
We have exported more than 100 countries like the Middle East, the United States, Europe, Africa, India, etc.
Shengjie Refractory has quality management system ISO 9001 certification, 14001 certification, 45001 certification and AAA enterprise credit rating certification.