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硬脂酸 stearic acid ( 十八酸, 己基癸醇硬脂酸酯)
/ w) X4 I& P9 }$ Q: x$ t soap-diy.com soap-diy.com 5 s  G8 R" ]" q/ W8 I' |3 Z( Z

, o- \2 z2 K# z* e8 G& Q8 y' T soap-diy.com soap-diy.com 2 K0 `* b' p' n: G- Q
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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,
$ Q; L; o9 D' ~0 L9 g' d4 E soap-diy.com 存在於許多植物性油脂和動物性油脂中。
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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 : n7 y# m5 N1 g2 [
,但可可脂中的含量高達34%。 soap-diy.com " [* r+ t7 Q( E8 b1 `8 e( Z: @. O

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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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1 m9 a+ _, f2 X2 Q soap-diy.com 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 # n- a4 E) N3 T8 ^6 x0 ~9 T3 \+ Z
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$ [& S/ b$ B1 b1 t& U soap-diy.com 硬脂酸在手工皂的應用主要是增加皂成品硬度。 soap-diy.com 9 Z3 ]4 I! j4 h! V

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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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硬脂酸添加比例為3%~5%。 soap-diy.com " P# D4 t/ s* w/ ~- R2 g


3 @2 c/ O; i* b2 `& R& g% s2 O 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 - l/ S5 {  S% G, X5 O4 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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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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9 {4 G/ l+ u0 R. ]: s* T soap-diy.com 硬脂酸在手工皂的功能是增加皂的硬度。 soap-diy.com $ D; v$ {: ~  D: S+ }
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 4 n: Q/ J/ }3 x4 G* N* L6 P
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硬脂酸(三壓級)
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STEARIC ACID


/ T! `. Q4 x0 q  F' X soap-diy.com
- u7 j) ]% A; q5 N2 u soap-diy.com Specs No.:703-28602 Product Code:SA1801 Product Form:Beads

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Property:
5 X) ~0 h# V8 ~$ c6 i soap-diy.com Acid Value 酸值201-213
; p( [. G% r9 i+ s0 }8 t soap-diy.com Sapon Value 皂化值202-214
! L  s+ _2 [9 ~4 ]) L  Y soap-diy.com Iodine Value 碘值1.0max. soap-diy.com 5 E0 L7 {1 w, b8 ~
Titer(℃) 熔點54-56 soap-diy.com   q1 l+ g6 \6 h  t$ b
Colour(5 1/4"Lovibond) 顏色Yellow 2.0max. Red 0.5max.
5 k* R1 c0 c4 z  Q! J; G soap-diy.com soap-diy.com 9 ], T5 L, J3 a$ g! `% Z" Y" b
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Composition(in%) Approx: soap-diy.com 8 |* c2 N' f; X9 I9 C& S) _+ g2 ?) a
C12(Lauric)& Lower1max. soap-diy.com ; c3 o, ]7 x2 K
C14(Myristic)2max.
$ Z- B5 \, X, ?9 p! e soap-diy.com C16(Palmitic)68max. soap-diy.com 8 ]' ?6 x5 n% _- J; e
C18(Stearic)30min. soap-diy.com * U, O) q. s9 z3 I6 ]
C20(Arachidic)1max.
& Y/ [+ e0 o9 w: L+ W/ I' [, T; s soap-diy.com C18'(Oleic)1max. soap-diy.com 9 @+ Z* p! R- `, r
2 K. x& t" p. k  r1 a soap-diy.com Standard Packing: -- 25kgs net. in PP Woven with PE inner bag --600kgs net. in jumbo bag soap-diy.com / a% I1 Y0 a% |9 T
Test Method:AOCS soap-diy.com   N  m6 z9 i. R; [1 ^


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6 _8 g4 _! ~9 f' O' V( @) s soap-diy.com 硬脂酸(二壓級)
$ }" a% x0 C+ c soap-diy.com
STEARIC ACID
# M& ?$ T  }' W& P$ Q) H soap-diy.com Specs No.:703-28603 Product Code:SA1806 Product Form:Beads

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Property: soap-diy.com # g3 M1 x0 U- q0 k* [8 M
Acid Value 酸值207-214 soap-diy.com + S8 L" a: k  N( g& I* e  `1 `
Sapon Value 皂化值208-215
1 Z+ g' h: d2 [9 O" a7 x soap-diy.com Iodine Value 碘值3.0max. soap-diy.com 7 H9 ]& `4 H* N
Titer(℃) 熔點53min. soap-diy.com ) f; a7 _7 \  C0 |5 o8 X
Colour(5 1/4"Lovibond) 顏色Yellow 5.0max. Red 1.5max. soap-diy.com ( j* d1 F; P2 c1 u! b soap-diy.com ( z: H; j! r6 s  M6 L
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Composition(in%) Approx: soap-diy.com , K3 v9 j! t3 r& n1 t3 j
C12(Lauric)& Lower1max.
" b3 {* p  q7 J4 L6 S; S soap-diy.com C14(Myristic)2max. soap-diy.com 1 c+ b+ P5 }& I+ p: |4 O
C16(Palmitic)70max.
, O6 t1 I, U/ q" Y/ I- w" x soap-diy.com C18(Stearic)29min.
# `' }5 P. k- N  | soap-diy.com C20(Arachidic)1max. soap-diy.com ( O; Z7 v: \6 L, s$ [
C18'(Oleic)3max. soap-diy.com ) L; C. h: v( a1 N soap-diy.com + x, F# E) g5 x4 I+ N
Standard Packing: -- 25kgs net. in PP Woven with PE inner bag -- 600kgs net. in jumbo bag
! N/ K& P! S+ |7 d soap-diy.com Test Method:AOCS soap-diy.com 2 r, S6 L+ N7 h1 ^# M8 Z: \% \# w


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$ e) k  ^2 \" B* m$ \) W4 N soap-diy.com 硬脂酸(一壓級)
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STEARIC ACID soap-diy.com ' i; _- ~2 g: {5 O
Specs No.:703-28604 Product Code:SA1810 Product Form:Beads

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Property: soap-diy.com   m; ~# [: B: ^  h5 j' P! }* z
Acid Value 酸值185min.
6 m% V2 T, d9 [- h( V$ ]1 M, k: \ soap-diy.com Sapon Value 皂化值186min. soap-diy.com # k. p7 j; P4 F2 r) I
Iodine Value 碘值10max. soap-diy.com   n' T4 \; Y/ r# X$ K- y
Titer(℃) 熔點50min. soap-diy.com # {+ {+ r' U% j; Y  R9 q
Colour(Gardner) 顏色7Gardner max. soap-diy.com * i* q8 z. X* x7 s& y4 U3 X. q soap-diy.com ! i: k1 _1 I0 Z* W
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Composition(in%) Approx:
7 F$ s- G5 s; d9 ?$ O7 x soap-diy.com C12(Lauric)& LowerVariable soap-diy.com 3 b, G4 B: y% J: W* H, g# A! P3 w- k
C14(Myristic)Variable soap-diy.com 5 k' x3 Y+ X9 }8 {0 O% J& c
C16(Palmitic)Variable soap-diy.com . b# o1 Z! D6 {. E
C18(Stearic)Variable soap-diy.com : B. n! M, q& |* t  Q# {  W) d  V
C20(Arachidic)Variable
& W& |. x% `' h3 v+ R) c0 T soap-diy.com C18'(Oleic)Variable
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' P( f# V- D1 M# G( T1 B6 } soap-diy.com Standard Packing: -- 25kgs net. in PP Woven with PE inner bag -- 600kgs net. in jumbo bag soap-diy.com : }$ h. r! s6 ?: m
Test Method:AOCS soap-diy.com 6 a8 s9 z3 i0 S- }& a  h

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, H! E; y  v% x4 Z soap-diy.com 硬脂酸(分餾三壓級) soap-diy.com , I6 \9 P  k* J# a7 t4 {
STEARIC ACID soap-diy.com # _) o% {7 ~& o: [. v. N+ f
Specs No.:703-28605 Product Code:SA1840 Product Form:Beads

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5 e9 ^- G$ o0 L# ~* i1 s soap-diy.com Property:
6 N" J7 J7 a/ _- J8 e5 Z' f- i# b soap-diy.com Acid Value 酸值200-212
/ h5 w# [8 S& ]" W. g! ` soap-diy.com Sapon Value 皂化值201-213
% C6 D( L; ~0 p9 i6 y soap-diy.com Iodine Value 碘值1.0max.
. D. ]  ~) |: D% j soap-diy.com Titer(℃) 熔點55-57
6 a7 v  C$ U" u5 l  A8 Z8 \ soap-diy.com Colour(5 1/4"Lovibond) 顏色Yellow 2.0max. Red 0.5max.
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Composition(in%) Approx: soap-diy.com , w! P( N* e& @. z$ \
C12(Lauric)& Lower1max. soap-diy.com , U$ Z& z# H( Q6 H; F7 v2 e
C14(Myristic)2max. soap-diy.com 6 U* N$ S" ]8 ~/ _5 P; R1 E0 f9 P9 f
C16(Palmitic)60max. soap-diy.com $ j8 S2 v! D- _. c) h( `4 c6 F
C18(Stearic)40min.
, t4 J9 f8 r  [5 W8 g soap-diy.com C20(Arachidic)1max. soap-diy.com : v. D; l3 r) b$ T& G0 s3 c
C18'(Oleic)1max. soap-diy.com 9 O& ]7 M+ \" v! `# ]6 v
2 b9 T0 Y5 {/ d% Z/ t/ {2 h/ z2 H soap-diy.com Standard Packing: --25kgs net. in PP Woven with PE inner bag --600kgs net. in jumbo bag soap-diy.com 7 H0 y/ e1 p4 x4 `2 p
Test Method:AOCS
. m0 d' u/ S5 k, e) Y2 ]+ I% X, l soap-diy.com

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$ F, q5 t3 `' @4 w% g4 t soap-diy.com 硬脂酸(分餾三壓級) soap-diy.com 5 P# d; `- j; R' N, x7 k
STEARIC ACID soap-diy.com $ L3 |" S7 ^2 p# N9 U4 f
Specs No.:703-28606 Product Code:SA1850 Product Form:Beads

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Property:
/ L& V9 A& r" L0 k) H; W  N- ^" ^ soap-diy.com Acid Value 酸值198-210
( I7 ]2 F* x1 X" l9 U soap-diy.com Sapon Value 皂化值199-211 soap-diy.com " u- y9 N8 \* D3 X. E& s6 R
Iodine Value 碘值1.0max. soap-diy.com 8 _9 ?: o+ J* {( ]
Titer(℃) 熔點55-58 soap-diy.com 1 e0 e; r/ A2 n$ h; Q. y
Colour(5 1/4"Lovibond) 顏色Yellow 2.0max. Red 0.5max.
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3 D0 S& [* V' R  h3 n  a soap-diy.com - Q  ?# S* q$ _' p8 t soap-diy.com Composition(in%) Approx: soap-diy.com : e8 a* `# }9 [2 T( P+ S) n
C12(Lauric)& Lower1max.
" A% H# y4 v9 S3 Y9 W: e$ y+ p soap-diy.com C14(Myristic)2max.
) L8 T; F$ v0 o$ K' E0 @  A soap-diy.com C16(Palmitic)53max. soap-diy.com ) I  j& Z' {7 m2 ]
C18(Stearic)47min. soap-diy.com 5 y+ m! a( k7 f% g% i
C20(Arachidic)1max.
4 K& t: K/ s  `/ T) u9 D soap-diy.com C18'(Oleic)1max. soap-diy.com / S, |" O$ |* d soap-diy.com 6 M4 i, d1 `: ^# {
Standard Packing: --25kgs net. in PP Woven with PE inner bag --600kgs net. in jumbo bag
- H% q# y5 J% y% t  a soap-diy.com Test Method:AOCS soap-diy.com / Q3 s4 G1 H: M: Z( K" o

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硬脂酸(分餾三壓級) soap-diy.com ) S% m. w  b. m( ?& s
STEARIC ACID
; ?6 I. c; \. t: V soap-diy.com Specs No.:501-38608 Product Code:SAF1865 Product Form:Beads

- J' o" c& P6 N3 B1 B, |' b3 D soap-diy.com 0 D0 a0 u8 Z- V, M soap-diy.com Property:
- z; t; Q6 j( h soap-diy.com Acid Value 酸值200-208
9 g7 Y) t5 I0 f( j/ } soap-diy.com Sapon Value 皂化值201-209 soap-diy.com 9 ~1 k9 G4 P* r
Iodine Value 碘值1.0max.
& _+ D/ z, @* J0 D0 l2 {  C soap-diy.com Titer(℃) 熔點57-61
  J! K5 D2 w3 D9 L! i8 w' o3 Z soap-diy.com Colour(5 1/4"Lovibond) 顏色Yellow 3.0max. Red 0.5max. soap-diy.com 1 j0 t. K1 M8 U
7 n# z; V' o0 x8 g4 J5 g. `. G! W0 v soap-diy.com soap-diy.com ! [9 f6 A+ N. |$ `1 R5 n+ D4 u
Composition(in%) Approx:
  l. t  \( f7 s. m$ ~ soap-diy.com C14(Myristic)0-1 soap-diy.com 4 M: |/ N; R7 ]  j. Z# G$ [* G
C16(Palmitic)30-38
$ g/ y! _% j& K6 `4 D3 _8 v9 h soap-diy.com C18(Stearic)62-70
* L" K, G+ y6 x/ s3 K soap-diy.com C18'(Oleic)0-1
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9 D' x& d: h3 F5 g, {$ t' c8 ~ 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 soap-diy.com ; Q! L- U' n% y  Z

7 _3 {; e& m$ |$ G. ? soap-diy.com Test Method:AOCS soap-diy.com ; `) g( |+ ?8 T3 x* m

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