Các tàu, thuyền, khung nhà thép, các nhà máy thiết bị, các vật dụng….kết cấu thép tiếp xúc với không khí, môi trường, bụi…đòi hỏi phải sử dụng sơn để bảo vệ chống ăn mòn, rỉ sét và đảm bảo cho những thiết bị hư hại làm ảnh hưởng đến khoản ngân sách của doanh nghiệp để mua mới.

Để khắc phục và ngăn chặn sự hao mòn, hư hỏng của những thiết bị có cấu tạo từ sắt thép do tính oxi hóa, người ta đã áp dụng nhiều biện pháp cải tiến nhưng có thể chưa được tối ưu. Tổng kho sơn sẽ đưa ra giải pháp sử dụng dòng sơn chống rỉ epoxy đạt hiệu quả nhất cho các công trình hay vật dụng kết cấu thép được tốt hơn


Tính năng sơn chống rỉ epoxy

Sơn chống rỉ epoxy bao gồm thành phần sơn và phần đóng rắn có những tính năng cải tiến hơn sơn chống rỉ alkyd

– Sơn có độ dẻo dai, bám dính tuyệt vời

– Khả năng chịu nhiêt, nước, dầu mỡ

– Sự liên kết màng sơn và bề mặt hiệu quả

– Chống lại sự ăn mòn của hóa chất, tạo nên độ bền cao

– Bảo vệ tối đa, tăng thẩm mỹ cao cho công trình với màu sắc đa dạng

– Thích hợp cho nhiều loại kết cấu sắt thép

– Chống oxy hóa, chống ăn mòn cho lõi sắt thép, kim loại bên trong

– Chi phí thấp, hiệu quả cao so với lợi ích mang lại

Ứng dụng sơn chống rỉ epoxy

Sơn chống rỉ epoxy với khả năng chịu mài mòn và va đập tốt, chịu được thời tiết hay hóa chất tốt nên người ta sử dụng cho những công trình đòi hỏi yêu cầu cao về kỹ thuật như hệ thống cầu cống, nhà công nghiệp ,kết cấu kiện nhà xưởng, những công trình sắt thép ngoài biển, hệ thống máy móc, dùng cho môi trường nước biển như tàu thủy, tàu biển…

Sơn chống rỉ epoxy không chỉ được áp dụng đối với những thiết bị mang kết cấu sắt thép mà còn có thể ứng dụng đa dạng cho rất nhiều loại bề mặt khác nhau, bởi ngoài tính năng bảo vệ chống rỉ sét, sơn chống rỉ epoxy còn có khả năng giảm ma sát rất hiệu quả cho những bề mặt như tạo độ bám dính tốt, làm bước nền cho lớp sơn hoàn thiện cuối cùng

Xem thêm: Nhà thầu thi công sơn sàn epoxy nhà xưởng chất lượng


Chuẩn bị bề mặt sơn chống rỉ epoxy

– Bề mặt vật liệu mới: cần làm sạch bụi bẩn cũng như dầu mỡ

– Bề mặt có dầu mỡ: dùng dung môi hữu cơ để rửa sạch

– Bề mặt bị rỉ, có vảy: dùng bàn chải cứng, phun cát, hoặc giấy đánh nhám

– Bề mặt cần sơn lại: trước khi tiến hành sơn thì tẩy sạch đi lớp sơn cũ, sử dụng phun cát, bàn chải cứng đánh giấy nhám để sơn có hiệu quả

Quy trình sơn chống rỉ epoxy

Quy trình sơn chống rỉ alkyd chỉ cần phủ lên bề mặt cần sơn, nhiều khi không cần sơn lót mà dùng lớp sơn phủ luôn, quy trình chuẩn là phủ 2 lớp. Đối với sơn epoxy thì bắt buộc phải sử dụng sơn lót epoxy rồi mới phủ hoàn thiện, nếu sử dụng chống rỉ ngoài trời phải dùng sơn gốc polyurethane để kháng tia UV.

Bước 1: Tạo nhám bề mặt sắt thép bằng máy bắn hạt cát

Bước 2: Sơn một lớp sơn lót epoxy bằng máy phun hoặc quét cọ, rulo chuyên dụng

Bước 3: Phủ một lớp sơn phủ epoxy hoàn thiện, trộn đều 2 thành phần trong vòng 5 phút rồi dùng máy phun sơn phun lên bề mặt đã sơn lớp lót

Bước 4: Chờ khô rồi xả nhám trên bề mặt đã lăn, sau đó tiến hành sơn phủ hoàn thiện

Có thể nói, sử dụng sơn chống rỉ epoxy cho những vật liệu, thiết bị kim loại, sắt thép là hết sức có lợi về mặt kinh tế và nhiều mặt đi kèm khác. Những dòng sơn chống rỉ epoxy được Tổng kho sơn cung cấp với đầy đủ chủng loại với nhiều đặc điểm khác nhau như sơn chống rỉ khô nhanh, loại chứa kẽm, loại dùng cho kim loại thường xuyên ngập nước,….Liên hệ chúng tôi để nhận được sự tư vấn và báo giá sơn chống rỉ epoxy chính xác.


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