Phụ gia chống nứt cho vữa trát UPrimer

21/01/2024 | admin | Không có bình luận

U-Primer

PHỤ GIA CHỐNG NỨT & KHÁNG NƯỚC CHO LỚP VỮA TRÁT

| Mô tả

U-Primer là nhũ tương Polymer Ethylene-Vinyl Acetate (EVA) dùng để trộn vữa trát hoặc làm dùng làm lớp lót chống mất nước cho lớp vữa trát và chống nứt.

| Đặc tính

Chống mất nước cho lớp vữa trát
Tăng độ linh động cho lớp vữa trát
Tăng độ dẻo và cường độ bám dính
Kháng nước và kháng kiềm
Cải thiện khả năng chịu va đập và chịu mài mòn
Tăng thẩm mỹ
Đáp ứng tiêu chuẩn JIS A6203 Nhật Bản

| Ứng dụng

U-Primer là sản phẩm lý tưởng dùng để trộn vữa trát chống nứt, kháng nước, hoặc dùng làm lớp lót tăng bám dính và chống mất nước cho lớp vữa trát, dùng cho thi công mới và sửa chữa.

| Tỷ lệ trộn

| Thông tin sản phẩm

Thành phần	:	Ethylene Vynil Acetate Copolymer
Trạng thái	:	Dạng nhũ tương, màu trắng sữa
Hàm lượng chất rắn	:	45.0 ±1%
Độ pH	:	6±1
Tỷ trọng	:	1.06

| Thông số kỹ thuật

Nội dung		Kết quả	Tiêu chuẩn
Độ hấp thụ nước		0.2	< =1 gram trong 30 phút
Độ bền bám dính (N/mm2)	Tiêu chuẩn chung	2.33	> 1N/mm2
	Chịu nóng lạnh theo chu kỳ	2.57
	Chịu lạnh	2.88
	Kháng dung dịch kiềm nóng	2.7
	Nứt bề mặt	Không bị nứt, tách lớp (50%)	Không bị nứt, tách lớp (50%)

| Phụ gia dùng cho vữa xi măng

Mô tả		Kết quả	Tiêu chuẩn JIS 6203
Độ bền uốn	N/mm2	12.6	> 8.0
Độ bền nén	N/mm2	56.2	> 24.0
Độ bền bám dính	N/mm2	3.1	> 1.0
Độ hấp thụ nước	%	2.3	< 10.0
Độ thấm nước	G	2	< 10
Tỷ lệ thay đổi chiều dài	%	0.072	0 – 0.150

Disclaimer

The information, and, in particular, the recommendations relating to the application and end-use of Uprimer, are given in good faith based on our current knowledge and experience of the products when properly stored, handled and applied under normal conditions in accordance with our recommendations. In practice, the differences in materials, substrates and actual site conditions are such that no warranty in respect of merchantability or of fitness for a particular purpose, nor any liability arising out of any legal relationship whatsoever, can be inferred either from this information, or from any written recommendations, or from any other advice offered. The user of the product must test the product’s suitability for the intended application and purpose. We reserves the right to change the properties of our products. The proprietary rights of third parties must be observed. All orders are accepted subject to our current terms of sale and delivery. Users must always refer to the most recent issue of the local Product Data Sheet for the product concerned, copies of which will be supplied on request.