glass fiber insulation board, glass fiberboard (FR-4), glass fiber composite board, made of glass fiber materials, and high heat resistant composite materials, not containing harmful asbestos ingredients to the human body.
Our returns policy lasts 30 days. If 30 days have gone by since your purchase, unfortunately we can't offer you a refund or exchange.
To be eligible for a return, your item must be unused and in the same condition you received it. It must also be in the original packaging.
To make a return, you must show us a receipt or proof of purchase.