Compliant and high-quality neutral silicone sealant (especially de alcoholized type) is basically non-toxic, environmentally friendly and safe after curing, but it should be noted that a small amount of VOC and alcohol by-products will be released during the uncured stage. Poor quality products may exceed formaldehyde/benzene series standards, and certification and standards must be consulted when purchasing.
1、 Conclusion on Environmental Protection and Safety
✅ After curing, it forms inert silicone rubber, which is almost non-volatile and non-toxic, and can come into contact with most building materials and daily environments.
✅ High quality model: Complies with GB 18583-2008 “Limit of harmful substances in adhesives for indoor decoration and renovation materials”, with no detection of formaldehyde or benzene derivatives, VOC≤100g/L； Dealcoholization type releases ethanol/methanol, with a light odor and weak irritation.
⚠️ Uncured: Air circulation should be maintained during construction and ventilation periods; Avoid direct contact with skin/eyes and keep children away.
❌ Poor quality products: may contain low-priced solvents, resulting in excessive levels of formaldehyde, benzene derivatives, and VOCs, with a pungent odor and potential health risks.
2、 Key points for purchasing (ensuring environmental protection and non toxicity)
table
Criteria for determining required items in dimensions
Core standard GB 18583-2008: Formaldehyde and benzene derivatives were not detected; VOC≤100g/L
Industry standard GB/T 14683-2017 Neutral curing, weather resistance, non corrosive
Environmental certification includes ten ring, CE, and REACH, which comply with the EU’s low VOC and non-toxic requirements
Curing type prioritizes dealcoholization type to release ethanol, with low odor and safety
Brand and packaging: legitimate brand+clear labeling without false advertising such as “formaldehyde free/low VOC/0 grade mold proof”
3、 Scenario adaptation suggestions
Kitchen and bathroom/sink/toilet: Choose a 0-grade mold proof, low VOC dealcoholization type, water-resistant and mold proof, with no residual odor.
Doors, windows/curtain walls/outdoor: Choose weather resistant neutral silicone adhesive, UV resistant, high and low temperature stable, in compliance with GB/T 14683-2017.
Indoor universal edge closure: Choose clean and low VOC (VOC ≤ 50g/L), and ventilate for 3-7 days after construction before moving in.
4、 Usage and maintenance
During construction, open windows for ventilation and avoid enclosed environments.
Avoid skin/eye contact before curing and immediately rinse with water.
After curing, it can be cleaned normally to avoid scratching the sealing layer with sharp objects.
The shelf life is generally 12 months. Use it up as soon as possible after opening to avoid moisture and failure.
5、 Quick self checking method
Smell: High quality products have a light or odorless taste, while those that are pungent are often of poor quality.
Check the label: The packaging must be labeled in accordance with GB 18583-2008, GB/T 14683-2017, and have environmental certification.
Inspection and testing: Request SDS report or third-party testing report to confirm that formaldehyde, benzene derivatives, and VOCs do not exceed the standard.
