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Buy low price Sandwich Panel made of Calcium Silicate and Rockwool at Wedge India. Wedge SP450 is Insulation Sandwich panel for dryers and preheating furnace, flue gas ducts, steaming plants, tunnel furnaces, etc. It is made of two high density calcium silicate boards or perlite boards, which are bonded with a high temperature resistant mineral wool core.The elements are used as prefabricated parts for wall and ceiling elements, partition walls or flue gas ducts in dryers, industrial furnaces and plant construction.


In terms of working hygiene, these materials are harmless and not subject to any classification.


Feature & Advantages

  • Harmless in terms of working hygiene
  • Large-sized, self-supporting
  • Good insulating effect,
  • High permanent temperature resistance
  • Minimum thermal bridges
  • Corrosion and rot-resistant
  • Good chemical resistance
  • Vibration-proof
  • Secure and variable fixings and connections
  • Uncomplicated breakthroughs producible
  • Diffusion open, no condensates
  • Long service life
  • Energy-saving
  • Dimensionally stable, low thermal expansion
  • Variable surface coatings are possible
  • Cost-reducing thanks to ready-to- assemble systems and easy processing



  • Ovens Insulation
  • Dryers Insulation
  • Preheating furnace
  • Flue gas ducts,
  • Steaming plants,
  • Tunnel furnaces


Technical Data Sheet:

Product Name

Wedge SP 450


Light grey / White

Classification temperature




CalSil HD450

Mineral Wool Core

Bulk density ρ

870 kg / m 3

150 kg / m 3

Compressive strength

9.3 N/ mm 2

0.115 N/ mm 2

Thermal conductivity λ

0.17 W/ m K

0.05 W/ m K


Length mm


Width mm


Top board thickness mm

6, 8, 9, 10, 12

Core thickness mm

25, 50, 70, 100


MOQ (Minimum Order Quantity) = 2500 SQF


Terms & Conditions:

Unit Price:  

INR, Ex-Warehouse Mumbai, the GST be extra at actual rate.


Forex Risk: 

The prices are based on the best possible estimations however if there is any abnormal INR deprecation more than 5 % at the time of order acceptance then actual rate will be applicable.


Payment Term: 

  • For regular customers with approved credit terms for credit limits and days.
  • For new customers 50% Advance and balance against delivery or LC at sight.
  • For any one time project or niche products 100% Advance or LC at sight.
  • PDCs are acceptable only after bank account credit score confirmation.
  • The penalty of 2% of the invoice value will be applicable for delayed payments.


Delivery Term:

Ex-Warehouse, Mumbai / Delhi / Gurgaon and if a buyer fails to take delivery on agreed Date or Delays the Payment, then there will be additional charges of INR 2000 / Pallet / Week.


Delivery Time:

Within 3 to 4 Weeks from the Date of PO and Advance Payment or LC open Date.


Minimum Order Quantity & Value:

The indicated Prices are for the MOQ (Minimum Order Quantity).

Prices for Order quantity lower than MOQ will be provided separately after approval.


Local Transportation & Packing Cost:

Local transportation cost will be extra or on To Pay basis only through recognized Transporter. Packing charges will be extra to protect goods from Damage during transportation.


Transport Insurance:

Insurance will be in Buyer’s account. Rejections due to damage in Transport will be in Buyer’s Account.



  • Special price will be implanted on Order Quantities more than MOQ and Advance Payment Terms.
  • Discount: 3% to 5% on Offer Price for 2 time MOQ Quantity.
  • Discount: 5% to 7% on Offer Price for 3 time MOQ Quantity.
  • Discount: 10% to 12% on Offer Price for 4 time MOQ Quantity.
  • Discount: 5% to 7% on Offer Price for 100% Advance Payment.

Calcium Silicate Sandwich Panel

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