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NS41
Howell
HM-NS41
High temperature silicone sealant
NS41 high-temperature silicone sealant is a single-component, neutral-curing, high-modulus silicone rubber. It offers excellent elasticity and displacement deformation capability, ensuring strong adhesion to various building materials. This sealant provides superior resistance to oil, as well as extreme temperatures, maintaining its properties across a wide temperature range of -60°C to 280°C. For short periods, it can withstand temperatures up to 320°C.
Sealing and bonding between materials at temperatures below 300°C
For automobile engine, transmission, and oil sump
For bonding of chimney pipe
For other general purpose caulking and waterproof sealing
Before curing
Property | Specification | Test Method |
Curing Type | Moisture Curing, Oxime Type | - |
Color | Red | - |
Density (g/ ml) | 1.50 ± 0.05 | GB/T13477.2 |
Sagging (mm) | < 0 | GB/T13477.5-2003 |
Surface Drying Time (h) | ≤ 2 | GB/T13477.5-2003 |
Curing Depth Rate (24h, mm) | 3 | - |
Complete Curing Time (50 ±5% Humidity, 23±2 °C) | 3 days | - |
After 72 Hours Curing at 50±5% Humidity, 23±2 °C:
Property | Specification | Test Method |
Hardness (Shore A) | 40 ± 5 | GB/T531-1999 |
Tensile Modulus at 100% Elongation (MPa) | No Failure | GB/T13477.8-2003 |
Tensile Modulus (MPa) | ≥ 1.8 | GB/T528-2009 |
Ultimate Elongation (%) | ≥ 100 | GB/T13477.8-2003 |
*The above data is tested under 25℃ and 50% relative humidity. *Standard color is red, other colors are available upon request.
Package
Standard 300ml plastic plastic bottle packing, 24 pcs/ctn; 500-600ml flexible film packing, 20 pcs/ctn; 200L iron drum.
Storage
Store the original sealant in a dry place, the temperature should not be higher than 27 degrees Celsius, from the date of production, the storage period of 12 months.
HM-NS41
High temperature silicone sealant
NS41 high-temperature silicone sealant is a single-component, neutral-curing, high-modulus silicone rubber. It offers excellent elasticity and displacement deformation capability, ensuring strong adhesion to various building materials. This sealant provides superior resistance to oil, as well as extreme temperatures, maintaining its properties across a wide temperature range of -60°C to 280°C. For short periods, it can withstand temperatures up to 320°C.
Sealing and bonding between materials at temperatures below 300°C
For automobile engine, transmission, and oil sump
For bonding of chimney pipe
For other general purpose caulking and waterproof sealing
Before curing
Property | Specification | Test Method |
Curing Type | Moisture Curing, Oxime Type | - |
Color | Red | - |
Density (g/ ml) | 1.50 ± 0.05 | GB/T13477.2 |
Sagging (mm) | < 0 | GB/T13477.5-2003 |
Surface Drying Time (h) | ≤ 2 | GB/T13477.5-2003 |
Curing Depth Rate (24h, mm) | 3 | - |
Complete Curing Time (50 ±5% Humidity, 23±2 °C) | 3 days | - |
After 72 Hours Curing at 50±5% Humidity, 23±2 °C:
Property | Specification | Test Method |
Hardness (Shore A) | 40 ± 5 | GB/T531-1999 |
Tensile Modulus at 100% Elongation (MPa) | No Failure | GB/T13477.8-2003 |
Tensile Modulus (MPa) | ≥ 1.8 | GB/T528-2009 |
Ultimate Elongation (%) | ≥ 100 | GB/T13477.8-2003 |
*The above data is tested under 25℃ and 50% relative humidity. *Standard color is red, other colors are available upon request.
Package
Standard 300ml plastic plastic bottle packing, 24 pcs/ctn; 500-600ml flexible film packing, 20 pcs/ctn; 200L iron drum.
Storage
Store the original sealant in a dry place, the temperature should not be higher than 27 degrees Celsius, from the date of production, the storage period of 12 months.
