 오퍼게시판 |
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제 목:
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Ultraviolet absorber UV-531 |
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상품분류: |
유기화학원료와 중간체
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등록분류: |
Offer to Sell |
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내용: |
CAS NO: 1843-05-6
Additional_detail: Property : ①Yellowish crystals;
②Yellowish fine powder
③Freely soluble in benzene, n-
hexane, acetone, slightly soluble
in ethanol, very slightly soluble
in ethane dichloride.
Specification
Content：≥99 %
Melting Point: 47~49 C
Ash: ≤ 0.1 %
Light Transmittance: (450nm)≥90%
(500nm)≥95%
Characteristics and Uses:
This product is a light
stabilizer with good performance,
capable of absorbing the UV
radiation of 2403~ 40 nm
wavelengths with the
characteristics of light color,
nontoxic , good compatibility,
small mobility, easy processing
etc. It can protect the polymer
to its maximum extent, helps to
reduce the color. It can also
delay the yellowing and obstacle
the loss of its physical
function. It is widely applied to
PE,PVC,PP,PS,PC organic glass,
polypropylene fiber, ethylene-
vinyl acetate etc. Moreover, it
has very good light-stability
effect on drying phenol aldehyde,
varnish of alcohol and acname,
polyurethane, acrylate,
expoxnamee etc. Its dosage is 0.1%
~0.5%.
Package: packed in cardboard
drums lined with plastic bags
with the net capacity of 25 kg
per drum.
Precaution: No toxicity kept away
from moisture and fire in
transportation; stored and
transported as common chemicals
with relatively good stability.
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