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硬脂酸 stearic acid ( 十八酸, 己基癸醇硬脂酸酯) soap-diy.com 9 k5 E+ c4 ~. ^  l) \

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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, soap-diy.com 7 Q9 v, @: o3 U" \+ V% R8 v# w
存在於許多植物性油脂和動物性油脂中。
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5 [+ J& S( h3 j+ G. c( S9 E+ k( o 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 & q2 u! q: l8 O
,但可可脂中的含量高達34%。
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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
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生產方式
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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 : l" F7 U4 p9 P
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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。 soap-diy.com / B+ `- h: N% ^+ ~5 T


" o5 B4 v! ?3 ?3 Y, n3 Z soap-diy.com 硬脂酸添加比例為3%~5%。 soap-diy.com 0 q1 q- H! {6 ?% {$ \( U8 N

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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 & F2 C& ]) e3 Z8 G( W

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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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( V/ A6 q5 j( C4 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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/ l: ?9 V' E' ]$ K$ j4 { soap-diy.com 硬脂酸在手工皂的功能是增加皂的硬度。 soap-diy.com - l; q( W7 N' x- v
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。
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硬脂酸(三壓級)
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STEARIC ACID


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- N7 S: ?: p: a2 Q/ B) h7 t9 \ soap-diy.com Specs No.:703-28602 Product Code:SA1801 Product Form:Beads

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Property:
8 e* c/ T$ M+ j8 \" y# u9 ^) H soap-diy.com Acid Value 酸值201-213
5 N) t4 \0 c' Y6 A$ R soap-diy.com Sapon Value 皂化值202-214 soap-diy.com $ p6 ~; {  k7 G# {" ]& P" X
Iodine Value 碘值1.0max.
4 O+ T* B  C- ]; ] soap-diy.com Titer(℃) 熔點54-56
) {. A3 O# l& y! F8 l3 m$ g soap-diy.com Colour(5 1/4"Lovibond) 顏色Yellow 2.0max. Red 0.5max. soap-diy.com 3 M- E. g8 J' p% f( W soap-diy.com $ O5 ~" ]. r" b" X2 T& ]% M
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Composition(in%) Approx:
1 }1 P% ?  D; W* T" { soap-diy.com C12(Lauric)& Lower1max. soap-diy.com : l! }0 I/ ^2 l8 w3 c( h
C14(Myristic)2max.
' x$ X! }; G* A% E% C soap-diy.com C16(Palmitic)68max. soap-diy.com 2 o4 T" `5 Z/ ^* E8 N4 G' d) y. }
C18(Stearic)30min.
3 Q$ b) K* L  Z& q soap-diy.com C20(Arachidic)1max. soap-diy.com ; O& F+ L  C% A" L
C18'(Oleic)1max.
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Standard Packing: -- 25kgs net. in PP Woven with PE inner bag --600kgs net. in jumbo bag soap-diy.com : {& s4 v& u' }$ p7 b% D9 Y
Test Method:AOCS
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硬脂酸(二壓級)
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STEARIC ACID soap-diy.com ( I8 u* h, _$ ~; V' R
Specs No.:703-28603 Product Code:SA1806 Product Form:Beads

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Property: soap-diy.com # G. x+ ?4 @0 B5 p& X
Acid Value 酸值207-214
. P; m5 v. A7 [" T& C soap-diy.com Sapon Value 皂化值208-215
  g; J, h, \' y& r/ O soap-diy.com Iodine Value 碘值3.0max. soap-diy.com ; g6 V# z8 m& M7 R, p: j
Titer(℃) 熔點53min.
$ H4 n7 A- Q0 o; n( r soap-diy.com Colour(5 1/4"Lovibond) 顏色Yellow 5.0max. Red 1.5max. soap-diy.com 2 R6 W, z6 X0 `1 r( @4 b) d% P
% S/ T" a6 r3 n* [ soap-diy.com : L, Z0 T2 ~7 ` soap-diy.com Composition(in%) Approx:
8 K+ e- G2 R) o$ a( w, B soap-diy.com C12(Lauric)& Lower1max. soap-diy.com 2 {+ u  `. `% u9 ?
C14(Myristic)2max. soap-diy.com : F, l% p" W9 R, O& W' G
C16(Palmitic)70max.
( f: g( ]8 i2 i) |% r soap-diy.com C18(Stearic)29min. soap-diy.com ) [4 F$ w  j  c& D9 U6 ]# {/ F9 X
C20(Arachidic)1max.
5 i9 F7 b! O5 B" R1 s7 Y/ ]. m8 O+ Z soap-diy.com C18'(Oleic)3max. soap-diy.com 4 F9 K1 R5 V6 u/ [  _
# e' f+ C# i) u" h' t soap-diy.com Standard Packing: -- 25kgs net. in PP Woven with PE inner bag -- 600kgs net. in jumbo bag soap-diy.com 7 W: \3 O, b% y0 q& ^. t, v
Test Method:AOCS soap-diy.com # D4 q3 J4 e/ y


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- K; V$ d4 }! J9 i4 t% _; ?; N$ B soap-diy.com 硬脂酸(一壓級) soap-diy.com 2 G" d% o" k* Q
STEARIC ACID soap-diy.com ( B' o' H) @- `' H# Q% t. L
Specs No.:703-28604 Product Code:SA1810 Product Form:Beads

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. n- ?* l% ]: i* @ soap-diy.com Property:
+ B- x0 y6 K, e0 R) M' n7 A7 L$ K8 Z soap-diy.com Acid Value 酸值185min. soap-diy.com 9 ~8 V  C( k# n6 C1 Q0 Z
Sapon Value 皂化值186min. soap-diy.com ' H: L$ e( f0 c, S& U" `0 D; r) _4 S& F; p
Iodine Value 碘值10max. soap-diy.com 0 S% }! C3 F$ O5 q5 ^7 t
Titer(℃) 熔點50min.
; t6 p: n  S' b. d) @: Z; r, { soap-diy.com Colour(Gardner) 顏色7Gardner max.
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Composition(in%) Approx:
6 d& F. v$ d2 r: @; k# q soap-diy.com C12(Lauric)& LowerVariable soap-diy.com - c6 r. D0 L" C5 A. r; \2 W
C14(Myristic)Variable
. c; v& X( b% i soap-diy.com C16(Palmitic)Variable
$ v+ a: ~$ H/ y& b0 U0 Z soap-diy.com C18(Stearic)Variable
- B+ w( Y1 m6 B0 u) M soap-diy.com C20(Arachidic)Variable soap-diy.com 1 m/ }' c, r/ L8 K% x
C18'(Oleic)Variable
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+ N  ^) j& r2 t: K soap-diy.com Standard Packing: -- 25kgs net. in PP Woven with PE inner bag -- 600kgs net. in jumbo bag
& D; ~  \/ ?) W! j7 ` soap-diy.com Test Method:AOCS soap-diy.com 0 L; a9 F. z& T  A

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硬脂酸(分餾三壓級)
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STEARIC ACID soap-diy.com 0 K  y! `6 M; F7 p6 [
Specs No.:703-28605 Product Code:SA1840 Product Form:Beads

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Acid Value 酸值200-212 soap-diy.com , e0 E' I6 v8 n, A1 k' U/ N7 W# c, j( X
Sapon Value 皂化值201-213
9 I! X' F& _+ l; V0 d8 w3 z soap-diy.com Iodine Value 碘值1.0max. soap-diy.com * m$ H% [. u: E, K: ^! g# a$ @
Titer(℃) 熔點55-57 soap-diy.com , `6 p0 s; A( c3 s8 t0 w
Colour(5 1/4"Lovibond) 顏色Yellow 2.0max. Red 0.5max.
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# h# V6 B; v& I0 g" R( F soap-diy.com Composition(in%) Approx:
4 `) T) m- M6 h" m& I soap-diy.com C12(Lauric)& Lower1max. soap-diy.com ; J) v/ K- ~9 d. f3 C& m2 W
C14(Myristic)2max. soap-diy.com ( O" `% N# Z+ i( @8 E
C16(Palmitic)60max. soap-diy.com + R# |$ D+ v' g/ `/ j( l4 f
C18(Stearic)40min. soap-diy.com ; A! H  \$ x- g% M
C20(Arachidic)1max.
) z/ J; d1 ]* R! R soap-diy.com C18'(Oleic)1max. soap-diy.com $ x$ Y. i, e7 Y" H
% L: E4 [( O3 D/ M soap-diy.com Standard Packing: --25kgs net. in PP Woven with PE inner bag --600kgs net. in jumbo bag soap-diy.com . @4 I/ U* b1 d* w7 v3 B2 ^
Test Method:AOCS
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硬脂酸(分餾三壓級) soap-diy.com # G0 L7 X/ B! Y1 v
STEARIC ACID soap-diy.com # }) p' j. t3 ~( D" {2 Z9 p4 S
Specs No.:703-28606 Product Code:SA1850 Product Form:Beads

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Property: soap-diy.com ' q6 m4 e& s! l/ H, z  G/ @
Acid Value 酸值198-210
: D+ E9 ]2 W& _ soap-diy.com Sapon Value 皂化值199-211
' Q7 j1 z) I' C6 I1 V! f soap-diy.com Iodine Value 碘值1.0max. soap-diy.com . X7 }1 f& V4 z8 O
Titer(℃) 熔點55-58 soap-diy.com + Z7 w8 q8 F9 f1 k2 y! U: {+ h5 |
Colour(5 1/4"Lovibond) 顏色Yellow 2.0max. Red 0.5max. soap-diy.com ) j5 m2 B9 i9 y. N& a% q+ ?
# f9 y: \, _$ D4 M6 \: W soap-diy.com soap-diy.com - v7 ^1 D2 V( {7 m& \
Composition(in%) Approx:
4 j& ?  `8 [9 s; a soap-diy.com C12(Lauric)& Lower1max.
7 r) a" n7 Z/ c7 T& w. |1 |* n soap-diy.com C14(Myristic)2max.
& p5 H3 `# [' t; g! {$ K  K soap-diy.com C16(Palmitic)53max. soap-diy.com " F! r. z" k9 M9 p# y- j
C18(Stearic)47min.
1 g- l* H; o% Y7 R) e# A soap-diy.com C20(Arachidic)1max.
% {4 J5 O& F" `6 o& F2 c soap-diy.com C18'(Oleic)1max. soap-diy.com ( n$ G1 \2 c, s, I soap-diy.com ! W* D2 E" ?* P; x* K9 x
Standard Packing: --25kgs net. in PP Woven with PE inner bag --600kgs net. in jumbo bag soap-diy.com & J; D6 N3 i/ d+ G3 |
Test Method:AOCS
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硬脂酸(分餾三壓級)
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STEARIC ACID
6 j3 Y7 e& Y. }) F. @ soap-diy.com Specs No.:501-38608 Product Code:SAF1865 Product Form:Beads

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Property:
! j( b' M' l% B4 ^# o soap-diy.com Acid Value 酸值200-208
* D2 C4 n! M4 n$ @' N soap-diy.com Sapon Value 皂化值201-209
% Z( ]" }6 q" F+ F: ~% ]  _2 T soap-diy.com Iodine Value 碘值1.0max. soap-diy.com 9 @* x, q8 }/ {/ Z
Titer(℃) 熔點57-61
1 C- u6 b8 v' s! {: z( v' z soap-diy.com Colour(5 1/4"Lovibond) 顏色Yellow 3.0max. Red 0.5max.
1 E3 r/ b( u" z+ J" Q. i8 `: G2 M soap-diy.com soap-diy.com - ~5 }* b6 a4 H" l: O
1 f- F% v& _% H/ J soap-diy.com Composition(in%) Approx: soap-diy.com 2 s; h0 g5 R2 A- G/ {( R3 J
C14(Myristic)0-1 soap-diy.com : [2 l7 {) v8 G
C16(Palmitic)30-38
, ~5 k. @6 T$ Z- [% {3 A) c soap-diy.com C18(Stearic)62-70
* v5 B! k+ y. A! g4 @& B" i soap-diy.com C18'(Oleic)0-1 soap-diy.com % b2 ~  P3 c* ^) I6 @( @ soap-diy.com ! O' J! t9 `! F! J1 i) O
Standard Packing: --20kgs net.in multiply kraft paper bags --25kgs net. in PP Woven with PE inner bag --600kgs net. in jumbo bag soap-diy.com 5 j1 ~# J# j1 R1 B' }

! p1 A- w. ~1 d! E soap-diy.com Test Method:AOCS soap-diy.com ! b6 N# S! \% N: Q

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