The sound insulation of rock wool sandwich panels is mainly due to the fiber structure of rock wool and the multi-layer construction of sandwich panels. The rock wool fibers absorb and reflect sound, reducing sound transmission, while the combination of the sandwich panel's panels and core forms a soundproof barrier.
Good chemical stability
Energy saving and environmental protection
Good fireproof performance

| Material | Rock Wool Board | |
| Density | 80kg/m³,100kg/m³,120kg/m³,150kg/m³ | |
| Thickness | 50mm,75mm,100mm,125mm,150mm | |
| Working Temperature | Up to 750℃ | ASTM C411/C447 |
| Reaction to Fire | Euro Class A1 | EN 13501-1 |
| Surface burning characteristics:Flame spread=passed | ASTM E84 | |
| Smoke development=passed | ||
| Compression Strength | 105 Kpa(Compressive strength at 10% deformation) | ASTM C165-07- |
| Linear Shrinkage | Less than 2%(at m ax service temperature) | ASTM C356 |
| Incombustibility | <5 wt% | IS 3144 |
| PH | 7-10 | IS 3144 |
| Corrosion Effect | Ph7 or slightly A lkaline | ASTM C692-77 |
| Compression resistance | >10kn/㎡ | ASTM C165-07 |
| Water absorption | Less than 1 kg/㎡ | EN 1609 |
| Moisture absorption | Less than 1 % weight | ASTM C1104/C1104M |
| Fungi Growth | Does not encourage fungi growth | ASTM C665 |
We are a leading insulation and acoustic solutions provider, specializing in rock wool, glass wool, and PU sandwich panels. With over 25 years of experience, we serve 100+ countries, ensuring compliance with international standards. Our advanced production lines guarantee high precision, while certifications confirm fire resistance and structural safety.
for customization
specialized customization expert
If you are looking for a customized manufacturer of special-shaped products, especially if you are the Sandwich Panel Manufacturer
Please contact us.
Excellent customized cases of irregular shape.

Q1:Can you send us some samples?
A:Yes, we can provide free samples, no problem. Your company only needs to bear the freight cost. The samples are just samples with small volume, so we cannot provide too many. Is that acceptable? Your company can try a trial order to check our quality and service.
Q2:Why should you buy from us instead of from other suppliers?
A:IKING Advantages:
1). 24-hour service for overseas customers.
2). Quick response to inquiries within 3 hours.
3). Fast delivery within 5 days after order.
4) Strict quality control to ensure all rolls meet the highest quality.
5). The first production capacity in Asia.
Q3:How do we ensure quality?
A:Always pre-production samples before mass production; Always final inspection before shipment
Q4:If we pay this week, how many days can you deliver?
A:Normally, our production cycle is 7–10 days upon receipt of your payment.After completing the payment, kindly send us the bank slip, and we will arrange your order on a priority basis in our production plan.We will fully coordinate with the production team and make every effort to shorten the lead time for you.