Technical FAQ
Pro frequent questions on Akfix products in Morocco
The most common technical questions from professional fitters, hardware stores and BTP companies. Direct answers by X Chem Maroc team.
Which silicone for an aluminum facade in Morocco?
Akfix 915N neutral silicone exclusively. Acetic silicone (1100E) attacks the anodizing layer of aluminum at 2-3 years, causing dark marbling. The 915N has an ISO 11600 25 LM and SNJF Façade certifications, mandatory for B2B B2B sites.
What's the difference between a B1 fire-rated foam and a standard foam?
Standard foam (Akfix 805/805P) is B3 (combustible). B1 fire-rated foam (Akfix 820/820P) is hard to ignite according to EN 13501-1, mandatory for ERP buildings (hotels, hospitals, schools, public buildings) in Morocco.
How many cartridges of silicone for a standard window?
A 100×120 cm aluminum window with 8×10 mm peripheral joint requires about 1 cartridge of 290 ml. For a French door 2 vantaux 180×210 cm, count 1.5 to 2 cartridges. Use our online silicone calculator for precise estimate.
Can I install Akfix Windshield without primer?
No. After windshield removal, the metal of the bonding zone must be primed with the dedicated Akfix primer to guarantee Windshield PU adhesion. Without primer, risk of debonding and serious passenger safety risk.
What is the maximum service temperature of Akfix HT300?
+250°C in continuous service, +315°C in peak. Suitable for engine joints, water pump, exhaust standard. For higher temperatures (forge, industrial furnace), use Akfix 1500 Heat Fighter (+1500°C peak).
Which color of threadlocker for engine repair?
L243 blue for 80% of vibration cases (caliper screws, alternator, sensors). L270 red for permanent assemblies (rod screws, crankshaft pulley). Disassembly L270 requires preheating to 250°C.
Can I use silicone instead of MS Polymer?
Not always. Silicone is irreplaceable for permanent humidity (sanitary) and durable UV resistance (south facade). MS Polymer is required for: vertical bonding without prolonged clamping, painting after curing, contact with chrome/stainless steel/anodized aluminum.
What is the shelf life of Akfix products?
Closed cartridges: 12-18 months from production date (visible on cartridge). Opened cartridge: 1-2 days for PU foam without gun, 4-6 weeks for PU on gun, 6-12 months for opened silicone with cap.
How to find the official Akfix TDS for a specific product?
Via our documentation hub /en/documents-techniques/ which lists 141 official TDS classified by product family. Or directly via WhatsApp with the product reference, response under 30 min on business days.
Do you provide invoices with VAT for businesses?
Yes, X Chem Maroc invoices all our B2B sales with 20% VAT, ICE, RC visible on the invoice. For tenders requiring administrative documents (RC, ICE, CNSS, fiscal), we provide on simple request.
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