The high temperature calcium silicate core for fireproof and sound insulation door has the characteristics of lightweight, low thermal conductivity, high temperature resistance, good performance of soundproof and fireproof and high flexural strength. Can be cut, assembled, joined together easily and directly. The product can be widely used as fireproof and sound insulation core materials for doors.
High temperature calcium silicate core is a kind of inorganic material with stable physical and chemical performance. With the characteristics of high resistant temperature, low thermal conductivity, very good effect of insulation for fire and sound, lightweight and high specific strength. The core will never deformed and will not send out any irritant smoke and gas when burned and high temperature. Free from asbestos, is a pure green building material. So it’s very suitable for fireproof and sound insulation door. This kind of material had already widely used as the cores of fireproof and sound insulation doors in various field. The limited fire resistance is up to 90 min,even more than 120 min.This product have exported to USA, Canada and Japan, etc. And have already earned more honors from the customers
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| Physical Performance | Unit | Core for steel door | Core for wood door |
| Bulk Density | Kg/m3 | 230 - 270 | 260 - 320 |
| Flexural Strength | Mpa | ≥0.5 | ≥0.6 |
| Thermal Cond. | W/m.k | ≤0.07 | ≤0.07 |
| Temp. limited | ℃ | 1000 | 1000 |
| Linear Shrinkage (1000℃×3h) | % | ≤1.5 | ≤1.5 |
| Soundproof Coeffecient | db | | ≥30 |
| Sizes and Dimensional Tolerances |
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| Length × Width (mm) | 500× 500, 1000× 500, 1050× 850 |
| Thickness (mm) | 20 - 140 |
| Tolerance (mm) | Length, width ±2, Thickness ±0.25 |
| *According to the requirement of customer, we can make some special proceeding, such as making tenon and groove, joint together, etc.
*The high temperature adhesive for sticking core material & the high temperature glue for laminating core material with MDF, plywood and steel panel are also available here. |
