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硬脂酸 stearic acid ( 十八酸, 己基癸醇硬脂酸酯) soap-diy.com 8 f# ^- J% v3 ^' I3 T4 O

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很少單獨存在於自然界裡,並非化學合成物,常以甘油酯的形態存在,硬脂酸在自然界的分布很廣,
. m' N; v: ]/ s! Z% O& a soap-diy.com 存在於許多植物性油脂和動物性油脂中。
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1 s! }/ ]( |9 A5 g. T soap-diy.com 動物脂肪中的含量比在植物油脂中的含量要高,如牛油中的含量可達24%,茶油為0.8%,棕櫚油為6% soap-diy.com # B9 O3 o7 \, J+ H9 Z# ^
,但可可脂中的含量高達34%。 soap-diy.com ( X; c+ h- h; q

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硬脂酸實際上是45%硬脂酸和55%軟脂酸的混合物,並含有少量油酸,略帶脂肪氣味 soap-diy.com - o, O) x6 @0 L% ?. K( s


% x/ B. B' J$ |: u# _8 `: L2 p soap-diy.com 生產方式 soap-diy.com " h% h% k$ t) {6 h8 Q) o  S. f
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動物油與水在高溫高壓下反應,使甘油三酸酯水解。不飽和植物油與氫氣加成得到。 soap-diy.com 6 y" K/ I# Y8 N, o' x& w

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硬脂酸在手工皂的應用主要是增加皂成品硬度。
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添加硬脂酸的手工皂成品,有刺激皮膚的可能性,也比較容易阻塞毛孔。
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% c5 L" S# H! \0 g soap-diy.com 硬脂酸添加比例為3%~5%。
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1 @! ?2 m, ~) J9 s  Q5 S soap-diy.com 建議計算氫氧化鈉時,計入硬脂酸皂化價
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添加硬脂酸方式,純硬脂酸融點69.4度,可先與耐熱油脂熱融,如椰子油棕櫚油,一起加熱融好,再跟其他油ㄧ起融鹼。 soap-diy.com 0 `4 l, q0 f% u! D. E  A! g, T


/ n' n8 |3 @' q* X soap-diy.com 根據皂友心得:如沒併入一起計算ins值,可將計算後約INS90的手工皂配上3%硬脂酸,就可有理想的硬度。

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6 p8 `+ Z8 X5 g1 ~6 d: V soap-diy.com 詢問商家的硬脂酸是那一種等級,應該是要買化妝品級的硬脂酸,購買三壓等級。

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0 _$ ?7 V8 _1 ~- j8 l! \ soap-diy.com 硬脂酸在手工皂的功能是增加皂的硬度。 soap-diy.com / U' @, V) Q5 g0 r& L' @6 e
操作方式 : 可先與耐熱的油一起熱融後再與其他的油一起融鹼,如融鹼後才加入,會加快Trace,需小心有假
Trace情況發生。 soap-diy.com   @: O7 t& o/ U0 g
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+ o7 w, R- q( K% `2 H% f soap-diy.com 硬脂酸(三壓級)
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STEARIC ACID

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Specs No.:703-28602 Product Code:SA1801 Product Form:Beads

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Property: soap-diy.com ; P. M6 w3 ?1 }# z. C
Acid Value 酸值201-213
2 |. b/ n9 G/ S9 \$ E soap-diy.com Sapon Value 皂化值202-214
+ z5 H( O; i% g' ]* l* i soap-diy.com Iodine Value 碘值1.0max.
; }5 e. [" @: S1 l' v" s  j soap-diy.com Titer(℃) 熔點54-56 soap-diy.com ; u4 m% R) f5 A+ S" N$ i
Colour(5 1/4"Lovibond) 顏色Yellow 2.0max. Red 0.5max.
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/ a* W/ h! L6 p5 H$ y+ r+ [ soap-diy.com Composition(in%) Approx:
) D$ `. {* ^7 n  | soap-diy.com C12(Lauric)& Lower1max. soap-diy.com 1 x& [) L5 b( V+ h
C14(Myristic)2max.
* _  I3 b0 i, [$ a; n8 x* n soap-diy.com C16(Palmitic)68max. soap-diy.com . r% ~4 x; d# Q; F
C18(Stearic)30min.
' @; Z) w& R: h' S. b- Z/ ? soap-diy.com C20(Arachidic)1max.
$ v, W; f+ A8 M( ^8 v soap-diy.com C18'(Oleic)1max.
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3 O4 N, n% |$ y! C" Y1 i! h; n( a soap-diy.com Standard Packing: -- 25kgs net. in PP Woven with PE inner bag --600kgs net. in jumbo bag soap-diy.com * O9 }% N4 u9 q  T7 S' J, y" Z
Test Method:AOCS
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, e3 @$ }2 V# m9 x! E/ q: M( B8 x soap-diy.com 硬脂酸(二壓級) soap-diy.com - m# R/ R6 h* C8 C& n( @
STEARIC ACID soap-diy.com ' e; ]6 H  l- ]
Specs No.:703-28603 Product Code:SA1806 Product Form:Beads

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Property:
) \6 K5 o3 L- L9 k8 ^2 G! y soap-diy.com Acid Value 酸值207-214 soap-diy.com . L. X2 A' ]: W/ \7 o$ m, e! H
Sapon Value 皂化值208-215
1 f6 I, A- ~! s# M9 [8 p2 | soap-diy.com Iodine Value 碘值3.0max. soap-diy.com ; I" D- p5 Q) V) i
Titer(℃) 熔點53min. soap-diy.com 4 a0 W- n9 S- B" L5 D
Colour(5 1/4"Lovibond) 顏色Yellow 5.0max. Red 1.5max. soap-diy.com 4 S- T: V6 W) F& b8 Y soap-diy.com * w: i+ O; B6 F, q! s2 R0 ?
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Composition(in%) Approx: soap-diy.com & T: M, F2 g# J  R# I( X
C12(Lauric)& Lower1max.
, r$ v" i7 ?& M+ |' H: P soap-diy.com C14(Myristic)2max. soap-diy.com - Y; Z7 k. g& ]% ^7 Y
C16(Palmitic)70max. soap-diy.com 3 @* E+ N- k9 o
C18(Stearic)29min. soap-diy.com ) `. s; L, ]) Y; }9 H* ~
C20(Arachidic)1max.
9 Q. m$ w' r7 j6 H3 c. d; S soap-diy.com C18'(Oleic)3max.
1 J9 p: Y' A1 I0 n* E soap-diy.com soap-diy.com 2 F/ ?3 \$ x* r* W# ~  _
Standard Packing: -- 25kgs net. in PP Woven with PE inner bag -- 600kgs net. in jumbo bag
/ x8 j) f6 l- T  ]( a3 `( U2 e soap-diy.com Test Method:AOCS
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硬脂酸(一壓級) soap-diy.com , e& ?3 H; ?$ M1 y
STEARIC ACID
2 N. f  q* z- r) ? soap-diy.com Specs No.:703-28604 Product Code:SA1810 Product Form:Beads

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  g6 o7 E+ ^9 r soap-diy.com Acid Value 酸值185min. soap-diy.com 0 ^5 x7 V8 o9 p# [- G- n- p! \: y
Sapon Value 皂化值186min. soap-diy.com 2 Y9 y- @: S0 V) K$ v% i
Iodine Value 碘值10max. soap-diy.com 2 C5 z* w' _* c- W
Titer(℃) 熔點50min.
8 S2 }; j+ Z0 w# ~7 e soap-diy.com Colour(Gardner) 顏色7Gardner max. soap-diy.com & k2 j5 y8 b9 t: c3 y7 C
2 v# W: v, x! ~9 } soap-diy.com ) q" \. c# H8 N4 F soap-diy.com Composition(in%) Approx:
7 y% g* e! `7 R6 J. S! \$ z soap-diy.com C12(Lauric)& LowerVariable soap-diy.com . K/ I$ I7 ~  @4 d* F
C14(Myristic)Variable soap-diy.com : I: e/ V! {- B7 P+ }1 e
C16(Palmitic)Variable
4 T5 K. I& i3 M1 C) k! i, x/ T soap-diy.com C18(Stearic)Variable
& ^# r( I' P9 o  N/ i9 j soap-diy.com C20(Arachidic)Variable
$ |/ d5 K) z: I2 ]  h0 l# E, x8 x soap-diy.com C18'(Oleic)Variable soap-diy.com / t+ V9 S8 i' T+ e% A+ h+ H2 q) N- |
2 I7 j& {6 R& i: p( A% T soap-diy.com Standard Packing: -- 25kgs net. in PP Woven with PE inner bag -- 600kgs net. in jumbo bag soap-diy.com ! B9 L5 _1 c, G: [1 ~
Test Method:AOCS soap-diy.com   b  e+ E' W: {( H$ h# O, H! P: c  D

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% [& }8 H! l4 ~% C/ z" E2 e7 \$ z* P soap-diy.com 硬脂酸(分餾三壓級)
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STEARIC ACID
) V0 G7 ?$ v$ Z0 w5 s soap-diy.com Specs No.:703-28605 Product Code:SA1840 Product Form:Beads

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Acid Value 酸值200-212
6 a) ], v( I3 L soap-diy.com Sapon Value 皂化值201-213
! ~$ {% D) h  Z' q5 A8 Y: s soap-diy.com Iodine Value 碘值1.0max.
2 X8 v* J: W$ s0 w soap-diy.com Titer(℃) 熔點55-57
) v" S. q7 n5 g7 Q! g soap-diy.com Colour(5 1/4"Lovibond) 顏色Yellow 2.0max. Red 0.5max. soap-diy.com 4 H  X% s. i, b0 q( J
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Composition(in%) Approx:
# m1 f& Y  I& g( `* p soap-diy.com C12(Lauric)& Lower1max.
; d* d& \/ L; A+ B( ]$ M soap-diy.com C14(Myristic)2max. soap-diy.com 0 l3 h' x) r' J- C6 J
C16(Palmitic)60max. soap-diy.com . G3 z1 u1 w2 Y8 p
C18(Stearic)40min.
0 M1 n' t- F+ h9 f soap-diy.com C20(Arachidic)1max. soap-diy.com 0 {$ n5 v+ k% B
C18'(Oleic)1max. soap-diy.com 6 g! N% J/ p7 M* d( g5 S& m$ f soap-diy.com & Q5 b( l! D! x0 ?; \3 {3 a0 `5 z6 Q
Standard Packing: --25kgs net. in PP Woven with PE inner bag --600kgs net. in jumbo bag soap-diy.com ) S& e; M* |# f  d
Test Method:AOCS
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7 |. P1 U$ q" F& Y0 y8 ?: o% s6 Y soap-diy.com 硬脂酸(分餾三壓級)
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STEARIC ACID
8 F, @7 a5 P0 m% g" o+ b  h  i6 p soap-diy.com Specs No.:703-28606 Product Code:SA1850 Product Form:Beads

/ n6 m7 k% A5 \7 a soap-diy.com ' `: t( g+ N3 Q4 T soap-diy.com Property:
: n2 T# {6 u. r soap-diy.com Acid Value 酸值198-210 soap-diy.com ! T) t) U. f- d, b
Sapon Value 皂化值199-211
& q( F8 n3 y, n7 F8 O soap-diy.com Iodine Value 碘值1.0max. soap-diy.com 7 ~2 o/ |+ `6 W7 Z% i7 ]
Titer(℃) 熔點55-58 soap-diy.com + I# K+ y2 p) o5 g
Colour(5 1/4"Lovibond) 顏色Yellow 2.0max. Red 0.5max.
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Composition(in%) Approx:
6 o. X- `& V0 [ soap-diy.com C12(Lauric)& Lower1max. soap-diy.com 1 y) ?& J0 G( F1 l4 v. y
C14(Myristic)2max.
$ d( N; r/ _: S, H" F: A4 i soap-diy.com C16(Palmitic)53max. soap-diy.com 1 s( o% C4 J8 M# x/ F
C18(Stearic)47min. soap-diy.com 9 i% g1 n) h$ d3 ~
C20(Arachidic)1max. soap-diy.com # q& u, [6 o- o3 Y2 D
C18'(Oleic)1max.
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+ ?. q- l/ {. s- l% N8 ]+ A soap-diy.com Standard Packing: --25kgs net. in PP Woven with PE inner bag --600kgs net. in jumbo bag
- _+ \' D$ B7 A/ J2 \ soap-diy.com Test Method:AOCS
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# ~" u: O$ }( l& e' v; D) V* o soap-diy.com 硬脂酸(分餾三壓級)
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STEARIC ACID
0 P9 R+ f) s! [7 \) G soap-diy.com Specs No.:501-38608 Product Code:SAF1865 Product Form:Beads

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Property: soap-diy.com , g4 b% y( E- e- I7 W
Acid Value 酸值200-208 soap-diy.com + h4 b0 o! W# X8 L
Sapon Value 皂化值201-209
% \5 {; {* l* ` soap-diy.com Iodine Value 碘值1.0max. soap-diy.com * [( E; V$ N% V/ p4 m
Titer(℃) 熔點57-61 soap-diy.com ( K, ?$ t# j4 O* C2 Z
Colour(5 1/4"Lovibond) 顏色Yellow 3.0max. Red 0.5max.
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Composition(in%) Approx: soap-diy.com % @3 u/ `3 L/ W- @& N* b
C14(Myristic)0-1
0 }- r8 ]; ^- { soap-diy.com C16(Palmitic)30-38 soap-diy.com . L+ Q/ R/ v% E& x: f8 Q+ f
C18(Stearic)62-70 soap-diy.com ( B2 r) W8 i8 B5 L5 ?5 F0 q$ Y
C18'(Oleic)0-1
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- q& m' Q0 ~8 \+ |5 g) y9 A soap-diy.com Standard Packing: --20kgs net.in multiply kraft paper bags --25kgs net. in PP Woven with PE inner bag --600kgs net. in jumbo bag
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Test Method:AOCS
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